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authorTom Rini2023-10-17 09:15:56 -0400
committerTom Rini2023-10-17 09:15:56 -0400
commite65b5d35c9116485366bb08138043d51220551da (patch)
treea7ff86d5ab6e831cb05c875ab9c1521c5405fe0f /drivers
parentc41df16b27bbe37be861072d876f348748684737 (diff)
parent4e65545f7a35430710ce95bdddf9d683f7a3f72a (diff)
Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sh
- RZ/G2L part 1, except for two serial port patches which I had to drop as they broke R2Dplus, they will come later via subsequent PR.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/renesas/Kconfig9
-rw-r--r--drivers/clk/renesas/Makefile2
-rw-r--r--drivers/clk/renesas/r9a07g044-cpg.c384
-rw-r--r--drivers/clk/renesas/rzg2l-cpg.c505
-rw-r--r--drivers/clk/renesas/rzg2l-cpg.h319
-rw-r--r--drivers/gpio/Kconfig7
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/rzg2l-gpio.c170
-rw-r--r--drivers/mmc/renesas-sdhi.c81
-rw-r--r--drivers/pinctrl/renesas/Kconfig9
-rw-r--r--drivers/pinctrl/renesas/Makefile1
-rw-r--r--drivers/pinctrl/renesas/rzg2l-pfc.c625
-rw-r--r--drivers/serial/serial_sh.c12
13 files changed, 2115 insertions, 10 deletions
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index 437a82cd48b..927d62cf99a 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -156,3 +156,12 @@ config CLK_R9A06G032
depends on CLK_RENESAS
help
Enable this to support the clocks on Renesas R9A06G032 SoC.
+
+config CLK_RZG2L
+ bool "Renesas RZ/G2L family clock support"
+ depends on CLK_RENESAS
+ select DM_RESET
+
+config CLK_R9A07G044
+ bool "RZ/G2L (R9A07G044L) clock support"
+ depends on CLK_RZG2L
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index 48373e61b90..df7e225e9ca 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -23,3 +23,5 @@ obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o
obj-$(CONFIG_CLK_R8A779F0) += r8a779f0-cpg-mssr.o
obj-$(CONFIG_CLK_R8A779G0) += r8a779g0-cpg-mssr.o
obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o
+obj-$(CONFIG_CLK_RZG2L) += rzg2l-cpg.o
+obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o
diff --git a/drivers/clk/renesas/r9a07g044-cpg.c b/drivers/clk/renesas/r9a07g044-cpg.c
new file mode 100644
index 00000000000..2336028a736
--- /dev/null
+++ b/drivers/clk/renesas/r9a07g044-cpg.c
@@ -0,0 +1,384 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RZ/G2L CPG driver
+ *
+ * Copyright (C) 2021-2023 Renesas Electronics Corp.
+ */
+
+#include <common.h>
+#include <dm/device.h>
+#include <dt-bindings/clock/r9a07g044-cpg.h>
+#include <linux/clk-provider.h>
+
+#include "rzg2l-cpg.h"
+
+/* Divider tables */
+static const struct clk_div_table dtable_1_8[] = {
+ {0, 1},
+ {1, 2},
+ {2, 4},
+ {3, 8},
+ {0, 0},
+};
+
+static const struct clk_div_table dtable_1_32[] = {
+ {0, 1},
+ {1, 2},
+ {2, 4},
+ {3, 8},
+ {4, 32},
+ {0, 0},
+};
+
+static const struct clk_div_table dtable_16_128[] = {
+ {0, 16},
+ {1, 32},
+ {2, 64},
+ {3, 128},
+ {0, 0},
+};
+
+/* Mux clock tables */
+static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" };
+static const char * const sel_pll5_4[] = { ".pll5_foutpostdiv", ".pll5_fout1ph0" };
+static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" };
+static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" };
+static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" };
+
+static const struct {
+ struct cpg_core_clk common[56];
+} core_clks = {
+ .common = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+
+ /* Internal Core Clocks */
+ DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1),
+ DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
+ DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)),
+ DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3),
+ DEF_FIXED(".pll2_533", CLK_PLL2_533, CLK_PLL2, 1, 3),
+ DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3),
+ DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4),
+ DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3),
+
+ DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1),
+ DEF_FIXED(".pll5_fout3", CLK_PLL5_FOUT3, CLK_PLL5, 1, 6),
+
+ DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
+
+ DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
+ DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2),
+ DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3),
+ DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2),
+ DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2),
+
+ DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8),
+ DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10),
+
+ DEF_FIXED(".pll2_533_div2", CLK_PLL2_533_DIV2, CLK_PLL2_533, 1, 2),
+
+ DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
+ DEF_FIXED(".pll3_div2_2", CLK_PLL3_DIV2_2, CLK_PLL3_DIV2, 1, 2),
+ DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
+ DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2),
+ DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3),
+ DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32),
+
+ DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_FOUT3, 1, 2),
+ DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),
+ DEF_MUX_RO(".sel_gpu2", CLK_SEL_GPU2, SEL_GPU2, sel_gpu2),
+ DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV, CLK_EXTAL),
+ DEF_FIXED(".pll5_fout1ph0", CLK_PLL5_FOUT1PH0, CLK_PLL5_FOUTPOSTDIV, 1, 2),
+ DEF_PLL5_4_MUX(".sel_pll5_4", CLK_SEL_PLL5_4, SEL_PLL5_4, sel_pll5_4),
+ DEF_DIV(".div_dsi_lpclk", CLK_DIV_DSI_LPCLK, CLK_PLL2_533_DIV2,
+ DIVDSILPCLK, dtable_16_128),
+
+ /* Core output clk */
+ DEF_DIV("I", R9A07G044_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8),
+ DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32),
+ DEF_FIXED("P0_DIV2", R9A07G044_CLK_P0_DIV2, R9A07G044_CLK_P0, 1, 2),
+ DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1),
+ DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32),
+ DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G044_CLK_P1, 1, 2),
+ DEF_DIV("P2", R9A07G044_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32),
+ DEF_FIXED("M0", R9A07G044_CLK_M0, CLK_PLL3_DIV2_4, 1, 1),
+ DEF_FIXED("ZT", R9A07G044_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1),
+ DEF_MUX("HP", R9A07G044_CLK_HP, SEL_PLL6_2, sel_pll6_2),
+ DEF_FIXED("SPI0", R9A07G044_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2),
+ DEF_FIXED("SPI1", R9A07G044_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4),
+ DEF_SD_MUX("SD0", R9A07G044_CLK_SD0, SEL_SDHI0, sel_shdi),
+ DEF_SD_MUX("SD1", R9A07G044_CLK_SD1, SEL_SDHI1, sel_shdi),
+ DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G044_CLK_SD0, 1, 4),
+ DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G044_CLK_SD1, 1, 4),
+ DEF_DIV("G", R9A07G044_CLK_G, CLK_SEL_GPU2, DIVGPU, dtable_1_8),
+ DEF_FIXED("M1", R9A07G044_CLK_M1, CLK_PLL5_FOUTPOSTDIV, 1, 1),
+ DEF_FIXED("M2", R9A07G044_CLK_M2, CLK_PLL3_533, 1, 2),
+ DEF_FIXED("M2_DIV2", CLK_M2_DIV2, R9A07G044_CLK_M2, 1, 2),
+ DEF_DSI_DIV("DSI_DIV", CLK_DSI_DIV, CLK_SEL_PLL5_4, CLK_SET_RATE_PARENT),
+ DEF_FIXED("M3", R9A07G044_CLK_M3, CLK_DSI_DIV, 1, 1),
+ DEF_FIXED("M4", R9A07G044_CLK_M4, CLK_DIV_DSI_LPCLK, 1, 1),
+ },
+};
+
+static const struct {
+ struct rzg2l_mod_clk common[79];
+} mod_clks = {
+ .common = {
+ DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1,
+ 0x514, 0),
+ DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2,
+ 0x518, 0),
+ DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1,
+ 0x518, 1),
+ DEF_MOD("dmac_aclk", R9A07G044_DMAC_ACLK, R9A07G044_CLK_P1,
+ 0x52c, 0),
+ DEF_MOD("dmac_pclk", R9A07G044_DMAC_PCLK, CLK_P1_DIV2,
+ 0x52c, 1),
+ DEF_MOD("ostm0_pclk", R9A07G044_OSTM0_PCLK, R9A07G044_CLK_P0,
+ 0x534, 0),
+ DEF_MOD("ostm1_pclk", R9A07G044_OSTM1_PCLK, R9A07G044_CLK_P0,
+ 0x534, 1),
+ DEF_MOD("ostm2_pclk", R9A07G044_OSTM2_PCLK, R9A07G044_CLK_P0,
+ 0x534, 2),
+ DEF_MOD("mtu_x_mck", R9A07G044_MTU_X_MCK_MTU3, R9A07G044_CLK_P0,
+ 0x538, 0),
+ DEF_MOD("gpt_pclk", R9A07G044_GPT_PCLK, R9A07G044_CLK_P0,
+ 0x540, 0),
+ DEF_MOD("poeg_a_clkp", R9A07G044_POEG_A_CLKP, R9A07G044_CLK_P0,
+ 0x544, 0),
+ DEF_MOD("poeg_b_clkp", R9A07G044_POEG_B_CLKP, R9A07G044_CLK_P0,
+ 0x544, 1),
+ DEF_MOD("poeg_c_clkp", R9A07G044_POEG_C_CLKP, R9A07G044_CLK_P0,
+ 0x544, 2),
+ DEF_MOD("poeg_d_clkp", R9A07G044_POEG_D_CLKP, R9A07G044_CLK_P0,
+ 0x544, 3),
+ DEF_MOD("wdt0_pclk", R9A07G044_WDT0_PCLK, R9A07G044_CLK_P0,
+ 0x548, 0),
+ DEF_MOD("wdt0_clk", R9A07G044_WDT0_CLK, R9A07G044_OSCCLK,
+ 0x548, 1),
+ DEF_MOD("wdt1_pclk", R9A07G044_WDT1_PCLK, R9A07G044_CLK_P0,
+ 0x548, 2),
+ DEF_MOD("wdt1_clk", R9A07G044_WDT1_CLK, R9A07G044_OSCCLK,
+ 0x548, 3),
+ DEF_MOD("spi_clk2", R9A07G044_SPI_CLK2, R9A07G044_CLK_SPI1,
+ 0x550, 0),
+ DEF_MOD("spi_clk", R9A07G044_SPI_CLK, R9A07G044_CLK_SPI0,
+ 0x550, 1),
+ DEF_MOD("sdhi0_imclk", R9A07G044_SDHI0_IMCLK, CLK_SD0_DIV4,
+ 0x554, 0),
+ DEF_MOD("sdhi0_imclk2", R9A07G044_SDHI0_IMCLK2, CLK_SD0_DIV4,
+ 0x554, 1),
+ DEF_MOD("sdhi0_clk_hs", R9A07G044_SDHI0_CLK_HS, R9A07G044_CLK_SD0,
+ 0x554, 2),
+ DEF_MOD("sdhi0_aclk", R9A07G044_SDHI0_ACLK, R9A07G044_CLK_P1,
+ 0x554, 3),
+ DEF_MOD("sdhi1_imclk", R9A07G044_SDHI1_IMCLK, CLK_SD1_DIV4,
+ 0x554, 4),
+ DEF_MOD("sdhi1_imclk2", R9A07G044_SDHI1_IMCLK2, CLK_SD1_DIV4,
+ 0x554, 5),
+ DEF_MOD("sdhi1_clk_hs", R9A07G044_SDHI1_CLK_HS, R9A07G044_CLK_SD1,
+ 0x554, 6),
+ DEF_MOD("sdhi1_aclk", R9A07G044_SDHI1_ACLK, R9A07G044_CLK_P1,
+ 0x554, 7),
+ DEF_MOD("gpu_clk", R9A07G044_GPU_CLK, R9A07G044_CLK_G,
+ 0x558, 0),
+ DEF_MOD("gpu_axi_clk", R9A07G044_GPU_AXI_CLK, R9A07G044_CLK_P1,
+ 0x558, 1),
+ DEF_MOD("gpu_ace_clk", R9A07G044_GPU_ACE_CLK, R9A07G044_CLK_P1,
+ 0x558, 2),
+ DEF_MOD("cru_sysclk", R9A07G044_CRU_SYSCLK, CLK_M2_DIV2,
+ 0x564, 0),
+ DEF_MOD("cru_vclk", R9A07G044_CRU_VCLK, R9A07G044_CLK_M2,
+ 0x564, 1),
+ DEF_MOD("cru_pclk", R9A07G044_CRU_PCLK, R9A07G044_CLK_ZT,
+ 0x564, 2),
+ DEF_MOD("cru_aclk", R9A07G044_CRU_ACLK, R9A07G044_CLK_M0,
+ 0x564, 3),
+ DEF_MOD("dsi_pll_clk", R9A07G044_MIPI_DSI_PLLCLK, R9A07G044_CLK_M1,
+ 0x568, 0),
+ DEF_MOD("dsi_sys_clk", R9A07G044_MIPI_DSI_SYSCLK, CLK_M2_DIV2,
+ 0x568, 1),
+ DEF_MOD("dsi_aclk", R9A07G044_MIPI_DSI_ACLK, R9A07G044_CLK_P1,
+ 0x568, 2),
+ DEF_MOD("dsi_pclk", R9A07G044_MIPI_DSI_PCLK, R9A07G044_CLK_P2,
+ 0x568, 3),
+ DEF_MOD("dsi_vclk", R9A07G044_MIPI_DSI_VCLK, R9A07G044_CLK_M3,
+ 0x568, 4),
+ DEF_MOD("dsi_lpclk", R9A07G044_MIPI_DSI_LPCLK, R9A07G044_CLK_M4,
+ 0x568, 5),
+ DEF_COUPLED("lcdc_a", R9A07G044_LCDC_CLK_A, R9A07G044_CLK_M0,
+ 0x56c, 0),
+ DEF_COUPLED("lcdc_p", R9A07G044_LCDC_CLK_P, R9A07G044_CLK_ZT,
+ 0x56c, 0),
+ DEF_MOD("lcdc_clk_d", R9A07G044_LCDC_CLK_D, R9A07G044_CLK_M3,
+ 0x56c, 1),
+ DEF_MOD("ssi0_pclk", R9A07G044_SSI0_PCLK2, R9A07G044_CLK_P0,
+ 0x570, 0),
+ DEF_MOD("ssi0_sfr", R9A07G044_SSI0_PCLK_SFR, R9A07G044_CLK_P0,
+ 0x570, 1),
+ DEF_MOD("ssi1_pclk", R9A07G044_SSI1_PCLK2, R9A07G044_CLK_P0,
+ 0x570, 2),
+ DEF_MOD("ssi1_sfr", R9A07G044_SSI1_PCLK_SFR, R9A07G044_CLK_P0,
+ 0x570, 3),
+ DEF_MOD("ssi2_pclk", R9A07G044_SSI2_PCLK2, R9A07G044_CLK_P0,
+ 0x570, 4),
+ DEF_MOD("ssi2_sfr", R9A07G044_SSI2_PCLK_SFR, R9A07G044_CLK_P0,
+ 0x570, 5),
+ DEF_MOD("ssi3_pclk", R9A07G044_SSI3_PCLK2, R9A07G044_CLK_P0,
+ 0x570, 6),
+ DEF_MOD("ssi3_sfr", R9A07G044_SSI3_PCLK_SFR, R9A07G044_CLK_P0,
+ 0x570, 7),
+ DEF_MOD("usb0_host", R9A07G044_USB_U2H0_HCLK, R9A07G044_CLK_P1,
+ 0x578, 0),
+ DEF_MOD("usb1_host", R9A07G044_USB_U2H1_HCLK, R9A07G044_CLK_P1,
+ 0x578, 1),
+ DEF_MOD("usb0_func", R9A07G044_USB_U2P_EXR_CPUCLK, R9A07G044_CLK_P1,
+ 0x578, 2),
+ DEF_MOD("usb_pclk", R9A07G044_USB_PCLK, R9A07G044_CLK_P1,
+ 0x578, 3),
+ DEF_COUPLED("eth0_axi", R9A07G044_ETH0_CLK_AXI, R9A07G044_CLK_M0,
+ 0x57c, 0),
+ DEF_COUPLED("eth0_chi", R9A07G044_ETH0_CLK_CHI, R9A07G044_CLK_ZT,
+ 0x57c, 0),
+ DEF_COUPLED("eth1_axi", R9A07G044_ETH1_CLK_AXI, R9A07G044_CLK_M0,
+ 0x57c, 1),
+ DEF_COUPLED("eth1_chi", R9A07G044_ETH1_CLK_CHI, R9A07G044_CLK_ZT,
+ 0x57c, 1),
+ DEF_MOD("i2c0", R9A07G044_I2C0_PCLK, R9A07G044_CLK_P0,
+ 0x580, 0),
+ DEF_MOD("i2c1", R9A07G044_I2C1_PCLK, R9A07G044_CLK_P0,
+ 0x580, 1),
+ DEF_MOD("i2c2", R9A07G044_I2C2_PCLK, R9A07G044_CLK_P0,
+ 0x580, 2),
+ DEF_MOD("i2c3", R9A07G044_I2C3_PCLK, R9A07G044_CLK_P0,
+ 0x580, 3),
+ DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0,
+ 0x584, 0),
+ DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0,
+ 0x584, 1),
+ DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0,
+ 0x584, 2),
+ DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0,
+ 0x584, 3),
+ DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0,
+ 0x584, 4),
+ DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0,
+ 0x588, 0),
+ DEF_MOD("sci1", R9A07G044_SCI1_CLKP, R9A07G044_CLK_P0,
+ 0x588, 1),
+ DEF_MOD("rspi0", R9A07G044_RSPI0_CLKB, R9A07G044_CLK_P0,
+ 0x590, 0),
+ DEF_MOD("rspi1", R9A07G044_RSPI1_CLKB, R9A07G044_CLK_P0,
+ 0x590, 1),
+ DEF_MOD("rspi2", R9A07G044_RSPI2_CLKB, R9A07G044_CLK_P0,
+ 0x590, 2),
+ DEF_MOD("canfd", R9A07G044_CANFD_PCLK, R9A07G044_CLK_P0,
+ 0x594, 0),
+ DEF_MOD("gpio", R9A07G044_GPIO_HCLK, R9A07G044_OSCCLK,
+ 0x598, 0),
+ DEF_MOD("adc_adclk", R9A07G044_ADC_ADCLK, R9A07G044_CLK_TSU,
+ 0x5a8, 0),
+ DEF_MOD("adc_pclk", R9A07G044_ADC_PCLK, R9A07G044_CLK_P0,
+ 0x5a8, 1),
+ DEF_MOD("tsu_pclk", R9A07G044_TSU_PCLK, R9A07G044_CLK_TSU,
+ 0x5ac, 0),
+ },
+};
+
+static const struct rzg2l_reset r9a07g044_resets[] = {
+ DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0),
+ DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1),
+ DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0),
+ DEF_RST(R9A07G044_DMAC_ARESETN, 0x82c, 0),
+ DEF_RST(R9A07G044_DMAC_RST_ASYNC, 0x82c, 1),
+ DEF_RST(R9A07G044_OSTM0_PRESETZ, 0x834, 0),
+ DEF_RST(R9A07G044_OSTM1_PRESETZ, 0x834, 1),
+ DEF_RST(R9A07G044_OSTM2_PRESETZ, 0x834, 2),
+ DEF_RST(R9A07G044_MTU_X_PRESET_MTU3, 0x838, 0),
+ DEF_RST(R9A07G044_GPT_RST_C, 0x840, 0),
+ DEF_RST(R9A07G044_POEG_A_RST, 0x844, 0),
+ DEF_RST(R9A07G044_POEG_B_RST, 0x844, 1),
+ DEF_RST(R9A07G044_POEG_C_RST, 0x844, 2),
+ DEF_RST(R9A07G044_POEG_D_RST, 0x844, 3),
+ DEF_RST(R9A07G044_WDT0_PRESETN, 0x848, 0),
+ DEF_RST(R9A07G044_WDT1_PRESETN, 0x848, 1),
+ DEF_RST(R9A07G044_SPI_RST, 0x850, 0),
+ DEF_RST(R9A07G044_SDHI0_IXRST, 0x854, 0),
+ DEF_RST(R9A07G044_SDHI1_IXRST, 0x854, 1),
+ DEF_RST(R9A07G044_GPU_RESETN, 0x858, 0),
+ DEF_RST(R9A07G044_GPU_AXI_RESETN, 0x858, 1),
+ DEF_RST(R9A07G044_GPU_ACE_RESETN, 0x858, 2),
+ DEF_RST(R9A07G044_CRU_CMN_RSTB, 0x864, 0),
+ DEF_RST(R9A07G044_CRU_PRESETN, 0x864, 1),
+ DEF_RST(R9A07G044_CRU_ARESETN, 0x864, 2),
+ DEF_RST(R9A07G044_MIPI_DSI_CMN_RSTB, 0x868, 0),
+ DEF_RST(R9A07G044_MIPI_DSI_ARESET_N, 0x868, 1),
+ DEF_RST(R9A07G044_MIPI_DSI_PRESET_N, 0x868, 2),
+ DEF_RST(R9A07G044_LCDC_RESET_N, 0x86c, 0),
+ DEF_RST(R9A07G044_SSI0_RST_M2_REG, 0x870, 0),
+ DEF_RST(R9A07G044_SSI1_RST_M2_REG, 0x870, 1),
+ DEF_RST(R9A07G044_SSI2_RST_M2_REG, 0x870, 2),
+ DEF_RST(R9A07G044_SSI3_RST_M2_REG, 0x870, 3),
+ DEF_RST(R9A07G044_USB_U2H0_HRESETN, 0x878, 0),
+ DEF_RST(R9A07G044_USB_U2H1_HRESETN, 0x878, 1),
+ DEF_RST(R9A07G044_USB_U2P_EXL_SYSRST, 0x878, 2),
+ DEF_RST(R9A07G044_USB_PRESETN, 0x878, 3),
+ DEF_RST(R9A07G044_ETH0_RST_HW_N, 0x87c, 0),
+ DEF_RST(R9A07G044_ETH1_RST_HW_N, 0x87c, 1),
+ DEF_RST(R9A07G044_I2C0_MRST, 0x880, 0),
+ DEF_RST(R9A07G044_I2C1_MRST, 0x880, 1),
+ DEF_RST(R9A07G044_I2C2_MRST, 0x880, 2),
+ DEF_RST(R9A07G044_I2C3_MRST, 0x880, 3),
+ DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0),
+ DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1),
+ DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2),
+ DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3),
+ DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4),
+ DEF_RST(R9A07G044_SCI0_RST, 0x888, 0),
+ DEF_RST(R9A07G044_SCI1_RST, 0x888, 1),
+ DEF_RST(R9A07G044_RSPI0_RST, 0x890, 0),
+ DEF_RST(R9A07G044_RSPI1_RST, 0x890, 1),
+ DEF_RST(R9A07G044_RSPI2_RST, 0x890, 2),
+ DEF_RST(R9A07G044_CANFD_RSTP_N, 0x894, 0),
+ DEF_RST(R9A07G044_CANFD_RSTC_N, 0x894, 1),
+ DEF_RST(R9A07G044_GPIO_RSTN, 0x898, 0),
+ DEF_RST(R9A07G044_GPIO_PORT_RESETN, 0x898, 1),
+ DEF_RST(R9A07G044_GPIO_SPARE_RESETN, 0x898, 2),
+ DEF_RST(R9A07G044_ADC_PRESETN, 0x8a8, 0),
+ DEF_RST(R9A07G044_ADC_ADRST_N, 0x8a8, 1),
+ DEF_RST(R9A07G044_TSU_PRESETN, 0x8ac, 0),
+};
+
+const struct rzg2l_cpg_info r9a07g044_cpg_info = {
+ /* Core Clocks */
+ .core_clks = core_clks.common,
+ .num_core_clks = ARRAY_SIZE(core_clks.common),
+
+ /* Module Clocks */
+ .mod_clks = mod_clks.common,
+ .num_mod_clks = ARRAY_SIZE(mod_clks.common),
+ .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1,
+
+ /* Resets */
+ .resets = r9a07g044_resets,
+ .num_resets = R9A07G044_TSU_PRESETN + 1, /* Last reset ID + 1 */
+
+ .has_clk_mon_regs = true,
+};
+
+static const struct udevice_id r9a07g044_cpg_ids[] = {
+ {
+ .compatible = "renesas,r9a07g044-cpg",
+ .data = (unsigned long)&r9a07g044_cpg_info,
+ },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(r9a07g044_cpg) = {
+ .name = "r9a07g044-cpg",
+ .id = UCLASS_NOP,
+ .of_match = r9a07g044_cpg_ids,
+ .bind = rzg2l_cpg_bind,
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
new file mode 100644
index 00000000000..3295ebb90ba
--- /dev/null
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -0,0 +1,505 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RZ/G2L Clock Pulse Generator
+ *
+ * Copyright (C) 2021-2023 Renesas Electronics Corp.
+ *
+ * Based on renesas-cpg-mssr.c
+ *
+ * Copyright (C) 2015 Glider bvba
+ * Copyright (C) 2013 Ideas On Board SPRL
+ * Copyright (C) 2015 Renesas Electronics Corp.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/devres.h>
+#include <dm/lists.h>
+#include <dt-bindings/clock/renesas-cpg-mssr.h>
+#include <linux/clk-provider.h>
+#include <linux/iopoll.h>
+#include <reset-uclass.h>
+#include <reset.h>
+
+#include "rzg2l-cpg.h"
+
+#define CLK_MON_R(reg) (0x180 + (reg))
+
+static ulong rzg2l_cpg_clk_get_rate_by_id(struct udevice *dev, unsigned int id);
+static ulong rzg2l_cpg_clk_get_rate_by_name(struct udevice *dev, const char *name);
+
+struct rzg2l_cpg_data {
+ void __iomem *base;
+ struct rzg2l_cpg_info *info;
+};
+
+/*
+ * The top 16 bits of the clock ID are used to identify if it is a core clock or
+ * a module clock.
+ */
+#define CPG_CLK_TYPE_SHIFT 16
+#define CPG_CLK_ID_MASK 0xffff
+#define CPG_CLK_ID(x) ((x) & CPG_CLK_ID_MASK)
+#define CPG_CLK_PACK(type, id) (((type) << CPG_CLK_TYPE_SHIFT) | CPG_CLK_ID(id))
+
+static inline bool is_mod_clk(unsigned int id)
+{
+ return (id >> CPG_CLK_TYPE_SHIFT) == CPG_MOD;
+}
+
+static int rzg2l_cpg_clk_set(struct clk *clk, bool enable)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(clk->dev);
+ const unsigned int cpg_clk_id = CPG_CLK_ID(clk->id);
+ const struct rzg2l_mod_clk *mod_clk = NULL;
+ u32 value;
+ unsigned int i;
+
+ dev_dbg(clk->dev, "%s %s clock %u\n", enable ? "enable" : "disable",
+ is_mod_clk(clk->id) ? "module" : "core", cpg_clk_id);
+ if (!is_mod_clk(clk->id)) {
+ dev_err(clk->dev, "ID %lu is not a module clock\n", clk->id);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < data->info->num_mod_clks; i++) {
+ if (data->info->mod_clks[i].id == cpg_clk_id) {
+ mod_clk = &data->info->mod_clks[i];
+ break;
+ }
+ }
+
+ if (!mod_clk) {
+ dev_err(clk->dev, "Module clock %u not found\n", cpg_clk_id);
+ return -ENODEV;
+ }
+
+ value = BIT(mod_clk->bit) << 16;
+ if (enable)
+ value |= BIT(mod_clk->bit);
+ writel(value, data->base + mod_clk->off);
+
+ if (enable && readl_poll_timeout(data->base + CLK_MON_R(mod_clk->off),
+ value, (value & BIT(mod_clk->bit)),
+ 10)) {
+ dev_err(clk->dev, "Timeout\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int rzg2l_cpg_clk_enable(struct clk *clk)
+{
+ return rzg2l_cpg_clk_set(clk, true);
+}
+
+static int rzg2l_cpg_clk_disable(struct clk *clk)
+{
+ return rzg2l_cpg_clk_set(clk, false);
+}
+
+static int rzg2l_cpg_clk_of_xlate(struct clk *clk,
+ struct ofnode_phandle_args *args)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(clk->dev);
+ u32 cpg_clk_type, cpg_clk_id;
+ bool found = false;
+ unsigned int i;
+
+ if (args->args_count != 2) {
+ dev_dbg(clk->dev, "Invalid args_count: %d\n", args->args_count);
+ return -EINVAL;
+ }
+
+ cpg_clk_type = args->args[0];
+ cpg_clk_id = args->args[1];
+
+ switch (cpg_clk_type) {
+ case CPG_CORE:
+ for (i = 0; i < data->info->num_core_clks; i++) {
+ if (data->info->core_clks[i].id == cpg_clk_id) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ dev_dbg(clk->dev,
+ "Invalid second argument %u: Must be a valid core clock ID\n",
+ cpg_clk_id);
+ return -EINVAL;
+ }
+ break;
+ case CPG_MOD:
+ for (i = 0; i < data->info->num_mod_clks; i++) {
+ if (data->info->mod_clks[i].id == cpg_clk_id) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ dev_dbg(clk->dev,
+ "Invalid second argument %u: Must be a valid module clock ID\n",
+ cpg_clk_id);
+ return -EINVAL;
+ }
+ break;
+ default:
+ dev_dbg(clk->dev,
+ "Invalid first argument %u: Must be CPG_CORE or CPG_MOD\n",
+ cpg_clk_type);
+ return -EINVAL;
+ }
+
+ clk->id = CPG_CLK_PACK(cpg_clk_type, cpg_clk_id);
+
+ return 0;
+}
+
+static ulong rzg2l_sdhi_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ const ulong offset = CPG_CONF_OFFSET(cc->conf);
+ const int shift = CPG_CONF_BITPOS(cc->conf);
+ const u32 mask = CPG_CONF_BITMASK(cc->conf);
+ unsigned int sel;
+
+ sel = (readl(data->base + offset) >> shift) & mask;
+
+ if (!sel || sel > cc->num_parents) {
+ dev_err(dev, "Invalid SEL_SDHI%d_SET value %u\n", shift / 4, sel);
+ return -EIO;
+ }
+ return rzg2l_cpg_clk_get_rate_by_name(dev, cc->parent_names[sel - 1]);
+}
+
+static ulong rzg2l_div_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ const ulong offset = CPG_CONF_OFFSET(cc->conf);
+ const int shift = CPG_CONF_BITPOS(cc->conf);
+ const u32 mask = CPG_CONF_BITMASK(cc->conf);
+ unsigned int sel, i;
+
+ sel = (readl(data->base + offset) >> shift) & mask;
+
+ for (i = 0; cc->dtable[i].div; i++) {
+ if (cc->dtable[i].val == sel)
+ return rzg2l_cpg_clk_get_rate_by_id(dev, cc->parent) / cc->dtable[i].div;
+ }
+ dev_err(dev, "Invalid selector value %u for clock %s\n", sel, cc->name);
+ return -EINVAL;
+}
+
+static ulong rzg2l_core_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
+{
+ switch (cc->type) {
+ case CLK_TYPE_FF:
+ const ulong parent_rate = rzg2l_cpg_clk_get_rate_by_id(dev, cc->parent);
+ return parent_rate * cc->mult / cc->div;
+ case CLK_TYPE_IN:
+ struct clk clk_in;
+ clk_get_by_name(dev, cc->name, &clk_in);
+ return clk_get_rate(&clk_in);
+ case CLK_TYPE_SD_MUX:
+ return rzg2l_sdhi_clk_get_rate(dev, cc);
+ case CLK_TYPE_DIV:
+ return rzg2l_div_clk_get_rate(dev, cc);
+ default:
+ dev_err(dev, "get_rate needed for clock %u, type %d\n", cc->id, cc->type);
+ return -ENOSYS;
+ }
+}
+
+static ulong rzg2l_cpg_clk_get_rate_by_id(struct udevice *dev, unsigned int id)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ const unsigned int cpg_clk_id = CPG_CLK_ID(id);
+ unsigned int i;
+
+ if (is_mod_clk(id)) {
+ for (i = 0; i < data->info->num_mod_clks; i++) {
+ if (data->info->mod_clks[i].id == cpg_clk_id)
+ return rzg2l_cpg_clk_get_rate_by_id(dev,
+ data->info->mod_clks[i].parent);
+ }
+
+ dev_err(dev, "Module clock ID %u not found\n", cpg_clk_id);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < data->info->num_core_clks; i++) {
+ if (data->info->core_clks[i].id == cpg_clk_id)
+ return rzg2l_core_clk_get_rate(dev, &data->info->core_clks[i]);
+ }
+
+ dev_err(dev, "Core clock ID %u not found\n", cpg_clk_id);
+ return -ENODEV;
+}
+
+static ulong rzg2l_cpg_clk_get_rate_by_name(struct udevice *dev, const char *name)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ unsigned int i;
+
+ for (i = 0; i < data->info->num_mod_clks; i++) {
+ if (!strcmp(name, data->info->mod_clks[i].name))
+ return rzg2l_cpg_clk_get_rate_by_id(dev, data->info->mod_clks[i].parent);
+ }
+ for (i = 0; i < data->info->num_core_clks; i++) {
+ if (!strcmp(name, data->info->core_clks[i].name))
+ return rzg2l_core_clk_get_rate(dev, &data->info->core_clks[i]);
+ }
+
+ dev_err(dev, "Clock name %s not found\n", name);
+ return -EINVAL;
+}
+
+static ulong rzg2l_cpg_clk_get_rate(struct clk *clk)
+{
+ return rzg2l_cpg_clk_get_rate_by_id(clk->dev, clk->id);
+}
+
+static ulong rzg2l_sdhi_clk_set_rate(struct udevice *dev, const struct cpg_core_clk *cc, ulong rate)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ const ulong offset = CPG_CONF_OFFSET(cc->conf);
+ const int shift = CPG_CONF_BITPOS(cc->conf);
+ int channel, new_sel, prev_sel;
+ ulong target_rate;
+ unsigned int i;
+ u32 value;
+
+ prev_sel = (readl(data->base + offset) >> shift) & 0x3;
+ channel = shift / 4;
+
+ /*
+ * Round the requested rate down, unless it is below the minimum
+ * supported rate. Assume that the parent clock names are listed in
+ * order of descending rate.
+ */
+ for (i = 0; i < cc->num_parents; i++) {
+ target_rate = rzg2l_cpg_clk_get_rate_by_name(dev, cc->parent_names[i]);
+ if (rate >= target_rate) {
+ new_sel = i + 1;
+ break;
+ }
+ }
+ if (!new_sel)
+ new_sel = cc->num_parents - 1;
+
+ if (new_sel == prev_sel)
+ return target_rate;
+ dev_dbg(dev, "sdhi set_rate rate=%lu target_rate=%lu sel=%d\n",
+ rate, target_rate, new_sel);
+
+ /*
+ * As per the HW manual, we should not directly switch from 533 MHz to
+ * 400 MHz and vice versa. To change the setting from 2’b01 (533 MHz)
+ * to 2’b10 (400 MHz) or vice versa, Switch to 2’b11 (266 MHz) first,
+ * and then switch to the target setting (2’b01 (533 MHz) or 2’b10
+ * (400 MHz)).
+ */
+ if (new_sel != SEL_SDHI_266MHz && prev_sel != SEL_SDHI_266MHz) {
+ u32 waitbit;
+ int ret;
+
+ dev_dbg(dev, "sdhi set_rate via 266MHz\n");
+ value = (SEL_SDHI_WRITE_ENABLE | SEL_SDHI_266MHz) << shift;
+ writel(value, data->base + offset);
+
+ /* Wait for the switch to complete. */
+ waitbit = channel ? CPG_CLKSTATUS_SELSDHI1_STS : CPG_CLKSTATUS_SELSDHI0_STS;
+ ret = readl_poll_timeout(data->base + CPG_CLKSTATUS, value,
+ !(value & waitbit),
+ CPG_SDHI_CLK_SWITCH_STATUS_TIMEOUT_US);
+ if (ret) {
+ dev_err(dev, "Failed to switch SDHI%d clock source\n", channel);
+ return -EIO;
+ }
+ }
+
+ value = (SEL_SDHI_WRITE_ENABLE | new_sel) << shift;
+ writel(value, data->base + offset);
+
+ return target_rate;
+}
+
+static ulong rzg2l_core_clk_set_rate(struct udevice *dev, const struct cpg_core_clk *cc, ulong rate)
+{
+ if (cc->type == CLK_TYPE_SD_MUX)
+ return rzg2l_sdhi_clk_set_rate(dev, cc, rate);
+
+ /*
+ * The sdhi driver calls clk_set_rate for SD0_DIV4 and SD1_DIV4, even
+ * though they're in a fixed relationship with SD0 and SD1 respectively.
+ * To allow the driver to proceed, simply return the current rates
+ * without making any change.
+ */
+ if (cc->id == CLK_SD0_DIV4 || cc->id == CLK_SD1_DIV4)
+ return rzg2l_core_clk_get_rate(dev, cc);
+
+ dev_err(dev, "set_rate needed for clock %u, type %d\n", cc->id, cc->type);
+ return -ENOSYS;
+}
+
+static ulong rzg2l_cpg_clk_set_rate_by_id(struct udevice *dev, unsigned int id, ulong rate)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(dev);
+ const unsigned int cpg_clk_id = CPG_CLK_ID(id);
+ unsigned int i;
+
+ if (is_mod_clk(id)) {
+ for (i = 0; i < data->info->num_mod_clks; i++) {
+ if (data->info->mod_clks[i].id == cpg_clk_id)
+ return rzg2l_cpg_clk_set_rate_by_id(dev,
+ data->info->mod_clks[i].parent,
+ rate);
+ }
+
+ dev_err(dev, "Module clock ID %u not found\n", cpg_clk_id);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < data->info->num_core_clks; i++) {
+ if (data->info->core_clks[i].id == cpg_clk_id)
+ return rzg2l_core_clk_set_rate(dev, &data->info->core_clks[i], rate);
+ }
+
+ dev_err(dev, "Core clock ID %u not found\n", cpg_clk_id);
+ return -ENODEV;
+}
+
+static ulong rzg2l_cpg_clk_set_rate(struct clk *clk, ulong rate)
+{
+ return rzg2l_cpg_clk_set_rate_by_id(clk->dev, clk->id, rate);
+}
+
+static const struct clk_ops rzg2l_cpg_clk_ops = {
+ .enable = rzg2l_cpg_clk_enable,
+ .disable = rzg2l_cpg_clk_disable,
+ .of_xlate = rzg2l_cpg_clk_of_xlate,
+ .get_rate = rzg2l_cpg_clk_get_rate,
+ .set_rate = rzg2l_cpg_clk_set_rate,
+};
+
+U_BOOT_DRIVER(rzg2l_cpg_clk) = {
+ .name = "rzg2l-cpg-clk",
+ .id = UCLASS_CLK,
+ .ops = &rzg2l_cpg_clk_ops,
+ .flags = DM_FLAG_VITAL,
+};
+
+static int rzg2l_cpg_rst_set(struct reset_ctl *reset_ctl, bool asserted)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(reset_ctl->dev);
+ const struct rzg2l_reset *rst;
+ u32 value;
+
+ dev_dbg(reset_ctl->dev, "%s %lu\n", asserted ? "assert" : "deassert", reset_ctl->id);
+ if (reset_ctl->id >= data->info->num_resets) {
+ dev_err(reset_ctl->dev, "Invalid reset id %lu\n", reset_ctl->id);
+ return -EINVAL;
+ }
+ rst = &data->info->resets[reset_ctl->id];
+
+ value = BIT(rst->bit) << 16;
+ if (!asserted)
+ value |= BIT(rst->bit);
+ writel(value, data->base + rst->off);
+
+ return 0;
+}
+
+static int rzg2l_cpg_rst_assert(struct reset_ctl *reset_ctl)
+{
+ return rzg2l_cpg_rst_set(reset_ctl, true);
+}
+
+static int rzg2l_cpg_rst_deassert(struct reset_ctl *reset_ctl)
+{
+ return rzg2l_cpg_rst_set(reset_ctl, false);
+}
+
+static int rzg2l_cpg_rst_of_xlate(struct reset_ctl *reset_ctl,
+ struct ofnode_phandle_args *args)
+{
+ struct rzg2l_cpg_data *data =
+ (struct rzg2l_cpg_data *)dev_get_driver_data(reset_ctl->dev);
+
+ if (args->args[0] >= data->info->num_resets)
+ return -EINVAL;
+
+ reset_ctl->id = args->args[0];
+ return 0;
+}
+
+static const struct reset_ops rzg2l_cpg_rst_ops = {
+ .rst_assert = rzg2l_cpg_rst_assert,
+ .rst_deassert = rzg2l_cpg_rst_deassert,
+ .of_xlate = rzg2l_cpg_rst_of_xlate,
+};
+
+U_BOOT_DRIVER(rzg2l_cpg_rst) = {
+ .name = "rzg2l-cpg-rst",
+ .id = UCLASS_RESET,
+ .ops = &rzg2l_cpg_rst_ops,
+ .flags = DM_FLAG_VITAL,
+};
+
+int rzg2l_cpg_bind(struct udevice *parent)
+{
+ struct udevice *cdev, *rdev;
+ struct rzg2l_cpg_data *data;
+ struct driver *drv;
+ int ret;
+
+ data = devm_kmalloc(parent, sizeof(*data), 0);
+ if (!data)
+ return -ENOMEM;
+
+ data->base = dev_read_addr_ptr(parent);
+ if (!data->base)
+ return -EINVAL;
+
+ data->info = (struct rzg2l_cpg_info *)dev_get_driver_data(parent);
+ if (!data->info)
+ return -EINVAL;
+
+ drv = lists_driver_lookup_name("rzg2l-cpg-clk");
+ if (!drv)
+ return -ENOENT;
+
+ ret = device_bind_with_driver_data(parent, drv, parent->name,
+ (ulong)data, dev_ofnode(parent),
+ &cdev);
+ if (ret)
+ return ret;
+
+ drv = lists_driver_lookup_name("rzg2l-cpg-rst");
+ if (!drv) {
+ device_unbind(cdev);
+ return -ENOENT;
+ }
+
+ ret = device_bind_with_driver_data(parent, drv, parent->name,
+ (ulong)data, dev_ofnode(parent),
+ &rdev);
+ if (ret)
+ device_unbind(cdev);
+
+ return ret;
+}
diff --git a/drivers/clk/renesas/rzg2l-cpg.h b/drivers/clk/renesas/rzg2l-cpg.h
new file mode 100644
index 00000000000..7cb6c481a62
--- /dev/null
+++ b/drivers/clk/renesas/rzg2l-cpg.h
@@ -0,0 +1,319 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * RZ/G2L Clock Pulse Generator
+ *
+ * Copyright (C) 2021-2023 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __RENESAS_RZG2L_CPG_H__
+#define __RENESAS_RZG2L_CPG_H__
+
+#define CPG_SIPLL5_STBY 0x140
+#define CPG_SIPLL5_CLK1 0x144
+#define CPG_SIPLL5_CLK3 0x14C
+#define CPG_SIPLL5_CLK4 0x150
+#define CPG_SIPLL5_CLK5 0x154
+#define CPG_SIPLL5_MON 0x15C
+#define CPG_PL1_DDIV 0x200
+#define CPG_PL2_DDIV 0x204
+#define CPG_PL3A_DDIV 0x208
+#define CPG_PL6_DDIV 0x210
+#define CPG_PL2SDHI_DSEL 0x218
+#define CPG_CLKSTATUS 0x280
+#define CPG_PL3_SSEL 0x408
+#define CPG_PL6_SSEL 0x414
+#define CPG_PL6_ETH_SSEL 0x418
+#define CPG_PL5_SDIV 0x420
+#define CPG_RST_MON 0x680
+#define CPG_OTHERFUNC1_REG 0xBE8
+
+#define CPG_SIPLL5_STBY_RESETB BIT(0)
+#define CPG_SIPLL5_STBY_RESETB_WEN BIT(16)
+#define CPG_SIPLL5_STBY_SSCG_EN_WEN BIT(18)
+#define CPG_SIPLL5_STBY_DOWNSPREAD_WEN BIT(20)
+#define CPG_SIPLL5_CLK4_RESV_LSB 0xFF
+#define CPG_SIPLL5_MON_PLL5_LOCK BIT(4)
+
+#define CPG_OTHERFUNC1_REG_RES0_ON_WEN BIT(16)
+
+#define CPG_PL5_SDIV_DIV_DSI_A_WEN BIT(16)
+#define CPG_PL5_SDIV_DIV_DSI_B_WEN BIT(24)
+
+#define CPG_CLKSTATUS_SELSDHI0_STS BIT(28)
+#define CPG_CLKSTATUS_SELSDHI1_STS BIT(29)
+
+#define CPG_SDHI_CLK_SWITCH_STATUS_TIMEOUT_US 20000
+
+/* n = 0/1/2 for PLL1/4/6 */
+#define CPG_SAMPLL_CLK1(n) (0x04 + (16 * (n)))
+#define CPG_SAMPLL_CLK2(n) (0x08 + (16 * (n)))
+
+#define PLL146_CONF(n) (CPG_SAMPLL_CLK1(n) << 22 | CPG_SAMPLL_CLK2(n) << 12)
+
+#define DDIV_PACK(offset, bitpos, size) \
+ (((offset) << 20) | ((bitpos) << 12) | ((size) << 8))
+#define DIVPL1A DDIV_PACK(CPG_PL1_DDIV, 0, 2)
+#define DIVPL2A DDIV_PACK(CPG_PL2_DDIV, 0, 3)
+#define DIVDSILPCLK DDIV_PACK(CPG_PL2_DDIV, 12, 2)
+#define DIVPL3A DDIV_PACK(CPG_PL3A_DDIV, 0, 3)
+#define DIVPL3B DDIV_PACK(CPG_PL3A_DDIV, 4, 3)
+#define DIVPL3C DDIV_PACK(CPG_PL3A_DDIV, 8, 3)
+#define DIVGPU DDIV_PACK(CPG_PL6_DDIV, 0, 2)
+
+#define SEL_PLL_PACK(offset, bitpos, size) \
+ (((offset) << 20) | ((bitpos) << 12) | ((size) << 8))
+
+#define SEL_PLL3_3 SEL_PLL_PACK(CPG_PL3_SSEL, 8, 1)
+#define SEL_PLL5_4 SEL_PLL_PACK(CPG_OTHERFUNC1_REG, 0, 1)
+#define SEL_PLL6_2 SEL_PLL_PACK(CPG_PL6_ETH_SSEL, 0, 1)
+#define SEL_GPU2 SEL_PLL_PACK(CPG_PL6_SSEL, 12, 1)
+
+#define SEL_SDHI0 DDIV_PACK(CPG_PL2SDHI_DSEL, 0, 2)
+#define SEL_SDHI1 DDIV_PACK(CPG_PL2SDHI_DSEL, 4, 2)
+
+#define SEL_SDHI_533MHz 1
+#define SEL_SDHI_400MHz 2
+#define SEL_SDHI_266MHz 3
+#define SEL_SDHI_WRITE_ENABLE 0x10000
+
+/* Unpack CPG conf value create by DDIV_PACK() or SEL_PLL_PACK(). */
+#define CPG_CONF_OFFSET(x) ((x) >> 20)
+#define CPG_CONF_BITPOS(x) (((x) >> 12) & 0xff)
+#define CPG_CONF_SIZE(x) (((x) >> 8) & 0xf)
+#define CPG_CONF_BITMASK(x) GENMASK(CPG_CONF_SIZE(x) - 1, 0)
+
+#define EXTAL_FREQ_IN_MEGA_HZ 24
+
+/**
+ * Definitions of CPG Core Clocks
+ *
+ * These include:
+ * - Clock outputs exported to DT
+ * - External input clocks
+ * - Internal CPG clocks
+ */
+struct cpg_core_clk {
+ const char *name;
+ unsigned int id;
+ unsigned int parent;
+ unsigned int div;
+ unsigned int mult;
+ unsigned int type;
+ unsigned int conf;
+ const struct clk_div_table *dtable;
+ const char * const *parent_names;
+ int flag;
+ int mux_flags;
+ int num_parents;
+};
+
+enum clk_types {
+ /* Generic */
+ CLK_TYPE_IN, /* External Clock Input */
+ CLK_TYPE_FF, /* Fixed Factor Clock */
+ CLK_TYPE_SAM_PLL,
+
+ /* Clock with divider */
+ CLK_TYPE_DIV,
+
+ /* Clock with clock source selector */
+ CLK_TYPE_MUX,
+
+ /* Clock with SD clock source selector */
+ CLK_TYPE_SD_MUX,
+
+ /* Clock for SIPLL5 */
+ CLK_TYPE_SIPLL5,
+
+ /* Clock for PLL5_4 clock source selector */
+ CLK_TYPE_PLL5_4_MUX,
+
+ /* Clock for DSI divider */
+ CLK_TYPE_DSI_DIV,
+
+};
+
+#define DEF_TYPE(_name, _id, _type...) \
+ { .name = _name, .id = _id, .type = _type }
+#define DEF_BASE(_name, _id, _type, _parent...) \
+ DEF_TYPE(_name, _id, _type, .parent = _parent)
+#define DEF_SAMPLL(_name, _id, _parent, _conf) \
+ DEF_TYPE(_name, _id, CLK_TYPE_SAM_PLL, .parent = _parent, .conf = _conf)
+#define DEF_INPUT(_name, _id) \
+ DEF_TYPE(_name, _id, CLK_TYPE_IN)
+#define DEF_FIXED(_name, _id, _parent, _mult, _div) \
+ DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult)
+#define DEF_DIV(_name, _id, _parent, _conf, _dtable) \
+ DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \
+ .parent = _parent, .dtable = _dtable, \
+ .flag = CLK_DIVIDER_HIWORD_MASK)
+#define DEF_DIV_RO(_name, _id, _parent, _conf, _dtable) \
+ DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \
+ .parent = _parent, .dtable = _dtable, \
+ .flag = CLK_DIVIDER_READ_ONLY)
+#define DEF_MUX(_name, _id, _conf, _parent_names) \
+ DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \
+ .parent_names = _parent_names, \
+ .num_parents = ARRAY_SIZE(_parent_names), \
+ .mux_flags = CLK_MUX_HIWORD_MASK)
+#define DEF_MUX_RO(_name, _id, _conf, _parent_names) \
+ DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \
+ .parent_names = _parent_names, \
+ .num_parents = ARRAY_SIZE(_parent_names), \
+ .mux_flags = CLK_MUX_READ_ONLY)
+#define DEF_SD_MUX(_name, _id, _conf, _parent_names) \
+ DEF_TYPE(_name, _id, CLK_TYPE_SD_MUX, .conf = _conf, \
+ .parent_names = _parent_names, \
+ .num_parents = ARRAY_SIZE(_parent_names))
+#define DEF_PLL5_FOUTPOSTDIV(_name, _id, _parent) \
+ DEF_TYPE(_name, _id, CLK_TYPE_SIPLL5, .parent = _parent)
+#define DEF_PLL5_4_MUX(_name, _id, _conf, _parent_names) \
+ DEF_TYPE(_name, _id, CLK_TYPE_PLL5_4_MUX, .conf = _conf, \
+ .parent_names = _parent_names, \
+ .num_parents = ARRAY_SIZE(_parent_names))
+#define DEF_DSI_DIV(_name, _id, _parent, _flag) \
+ DEF_TYPE(_name, _id, CLK_TYPE_DSI_DIV, .parent = _parent, .flag = _flag)
+
+/**
+ * struct rzg2l_mod_clk - Module Clocks definitions
+ *
+ * @name: handle between common and hardware-specific interfaces
+ * @id: clock index in array containing all Core and Module Clocks
+ * @parent: id of parent clock
+ * @off: register offset
+ * @bit: ON/MON bit
+ * @is_coupled: flag to indicate coupled clock
+ */
+struct rzg2l_mod_clk {
+ const char *name;
+ unsigned int id;
+ unsigned int parent;
+ u16 off;
+ u8 bit;
+ bool is_coupled;
+};
+
+#define DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _is_coupled) \
+ { \
+ .name = (_name), \
+ .id = (_id), \
+ .parent = (_parent), \
+ .off = (_off), \
+ .bit = (_bit), \
+ .is_coupled = (_is_coupled), \
+ }
+
+#define DEF_MOD(_name, _id, _parent, _off, _bit) \
+ DEF_MOD_BASE(_name, _id, _parent, _off, _bit, false)
+
+#define DEF_COUPLED(_name, _id, _parent, _off, _bit) \
+ DEF_MOD_BASE(_name, _id, _parent, _off, _bit, true)
+
+/**
+ * struct rzg2l_reset - Reset definitions
+ *
+ * @off: register offset
+ * @bit: reset bit
+ * @monbit: monitor bit in CPG_RST_MON register, -1 if none
+ */
+struct rzg2l_reset {
+ u16 off;
+ u8 bit;
+ s8 monbit;
+};
+
+#define DEF_RST_MON(_id, _off, _bit, _monbit) \
+ [_id] = { \
+ .off = (_off), \
+ .bit = (_bit), \
+ .monbit = (_monbit) \
+ }
+#define DEF_RST(_id, _off, _bit) \
+ DEF_RST_MON(_id, _off, _bit, -1)
+
+/**
+ * struct rzg2l_cpg_info - SoC-specific CPG Description
+ *
+ * @core_clks: Array of Core Clock definitions
+ * @num_core_clks: Number of entries in core_clks[]
+ *
+ * @mod_clks: Array of Module Clock definitions
+ * @num_mod_clks: Number of entries in mod_clks[]
+ * @num_hw_mod_clks: Number of Module Clocks supported by the hardware
+ *
+ * @resets: Array of Module Reset definitions
+ * @num_resets: Number of entries in resets[]
+ *
+ * @has_clk_mon_regs: Flag indicating whether the SoC has CLK_MON registers
+ */
+struct rzg2l_cpg_info {
+ /* Core Clocks */
+ const struct cpg_core_clk *core_clks;
+ unsigned int num_core_clks;
+
+ /* Module Clocks */
+ const struct rzg2l_mod_clk *mod_clks;
+ unsigned int num_mod_clks;
+ unsigned int num_hw_mod_clks;
+
+ /* Resets */
+ const struct rzg2l_reset *resets;
+ unsigned int num_resets;
+
+ bool has_clk_mon_regs;
+};
+
+extern const struct rzg2l_cpg_info r9a07g044_cpg_info;
+
+int rzg2l_cpg_bind(struct udevice *parent);
+
+/*
+ * Clock IDs start at an offset to avoid overlapping with core & module clock
+ * IDs defined in the dt-bindings headers.
+ */
+enum clk_ids {
+ /* External Input Clocks */
+ CLK_EXTAL = 0x100,
+
+ /* Internal Core Clocks */
+ CLK_OSC_DIV1000 = 0x200,
+ CLK_PLL1,
+ CLK_PLL2,
+ CLK_PLL2_DIV2,
+ CLK_PLL2_DIV2_8,
+ CLK_PLL2_DIV2_10,
+ CLK_PLL3,
+ CLK_PLL3_400,
+ CLK_PLL3_533,
+ CLK_M2_DIV2,
+ CLK_PLL3_DIV2,
+ CLK_PLL3_DIV2_2,
+ CLK_PLL3_DIV2_4,
+ CLK_PLL3_DIV2_4_2,
+ CLK_SEL_PLL3_3,
+ CLK_DIV_PLL3_C,
+ CLK_PLL4,
+ CLK_PLL5,
+ CLK_PLL5_FOUTPOSTDIV,
+ CLK_PLL5_FOUT1PH0,
+ CLK_PLL5_FOUT3,
+ CLK_PLL5_250,
+ CLK_PLL6,
+ CLK_PLL6_250,
+ CLK_P1_DIV2,
+ CLK_PLL2_800,
+ CLK_PLL2_SDHI_533,
+ CLK_PLL2_SDHI_400,
+ CLK_PLL2_SDHI_266,
+ CLK_SD0_DIV4,
+ CLK_SD1_DIV4,
+ CLK_SEL_GPU2,
+ CLK_SEL_PLL5_4,
+ CLK_DSI_DIV,
+ CLK_PLL2_533,
+ CLK_PLL2_533_DIV2,
+ CLK_DIV_DSI_LPCLK,
+};
+
+#endif
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 9bf6e428ded..74baa98d3c1 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -659,4 +659,11 @@ config ADP5585_GPIO
help
Support ADP5585 GPIO expander.
+config RZG2L_GPIO
+ bool "Renesas RZ/G2L family GPIO driver"
+ depends on DM_GPIO && PINCTRL_RZG2L
+ help
+ Support the gpio functionality of the pin function controller (PFC)
+ on the Renesas RZ/G2L SoC family.
+
endif
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 64a36c472eb..c8b3fd78141 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -74,3 +74,4 @@ obj-$(CONFIG_SLG7XL45106_I2C_GPO) += gpio_slg7xl45106.o
obj-$(CONFIG_$(SPL_TPL_)TURRIS_OMNIA_MCU) += turris_omnia_mcu.o
obj-$(CONFIG_FTGPIO010) += ftgpio010.o
obj-$(CONFIG_ADP5585_GPIO) += adp5585_gpio.o
+obj-$(CONFIG_RZG2L_GPIO) += rzg2l-gpio.o
diff --git a/drivers/gpio/rzg2l-gpio.c b/drivers/gpio/rzg2l-gpio.c
new file mode 100644
index 00000000000..7c908d05475
--- /dev/null
+++ b/drivers/gpio/rzg2l-gpio.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RZ/G2L Pin Function Controller
+ *
+ * Copyright (C) 2021-2023 Renesas Electronics Corp.
+ */
+
+#include <common.h>
+#include <asm-generic/gpio.h>
+#include <asm/io.h>
+#include <dm/device.h>
+#include <dm/device_compat.h>
+#include <renesas/rzg2l-pfc.h>
+
+static void rzg2l_gpio_set(const struct rzg2l_pfc_data *data, u32 port, u8 pin,
+ bool value)
+{
+ if (value)
+ setbits_8(data->base + P(port), BIT(pin));
+ else
+ clrbits_8(data->base + P(port), BIT(pin));
+}
+
+static int rzg2l_gpio_get_value(struct udevice *dev, unsigned int offset)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+ u16 pm_state;
+
+ pm_state = (readw(data->base + PM(port)) >> (pin * 2)) & PM_MASK;
+ switch (pm_state) {
+ case PM_INPUT:
+ return !!(readb(data->base + PIN(port)) & BIT(pin));
+ case PM_OUTPUT:
+ case PM_OUTPUT_IEN:
+ return !!(readb(data->base + P(port)) & BIT(pin));
+ default: /* PM_HIGH_Z */
+ return 0;
+ }
+}
+
+static int rzg2l_gpio_set_value(struct udevice *dev, unsigned int offset,
+ int value)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+
+ rzg2l_gpio_set(data, port, pin, (bool)value);
+ return 0;
+}
+
+static void rzg2l_gpio_set_direction(const struct rzg2l_pfc_data *data,
+ u32 port, u8 pin, bool output)
+{
+ clrsetbits_le16(data->base + PM(port), PM_MASK << (pin * 2),
+ (output ? PM_OUTPUT : PM_INPUT) << (pin * 2));
+}
+
+static int rzg2l_gpio_direction_input(struct udevice *dev, unsigned int offset)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+
+ rzg2l_gpio_set_direction(data, port, pin, false);
+ return 0;
+}
+
+static int rzg2l_gpio_direction_output(struct udevice *dev, unsigned int offset,
+ int value)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+
+ rzg2l_gpio_set(data, port, pin, (bool)value);
+ rzg2l_gpio_set_direction(data, port, pin, true);
+ return 0;
+}
+
+static int rzg2l_gpio_request(struct udevice *dev, unsigned int offset,
+ const char *label)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+
+ if (!rzg2l_port_validate(data, port, pin)) {
+ dev_err(dev, "Invalid GPIO %u:%u\n", port, pin);
+ return -EINVAL;
+ }
+
+ /* Select GPIO mode in PMC Register */
+ clrbits_8(data->base + PMC(port), BIT(pin));
+
+ return 0;
+}
+
+static int rzg2l_gpio_get_function(struct udevice *dev, unsigned int offset)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ const u32 port = RZG2L_PINMUX_TO_PORT(offset);
+ const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
+ u16 pm_state;
+ u8 pmc_state;
+
+ if (!rzg2l_port_validate(data, port, pin)) {
+ /* This offset does not correspond to a valid GPIO pin. */
+ return -ENOENT;
+ }
+
+ /* Check if the pin is in GPIO or function mode. */
+ pmc_state = readb(data->base + PMC(port)) & BIT(pin);
+ if (pmc_state)
+ return GPIOF_FUNC;
+
+ /* Check the pin direction. */
+ pm_state = (readw(data->base + PM(port)) >> (pin * 2)) & PM_MASK;
+ switch (pm_state) {
+ case PM_INPUT:
+ return GPIOF_INPUT;
+ case PM_OUTPUT:
+ case PM_OUTPUT_IEN:
+ return GPIOF_OUTPUT;
+ default: /* PM_HIGH_Z */
+ return GPIOF_UNUSED;
+ }
+}
+
+static const struct dm_gpio_ops rzg2l_gpio_ops = {
+ .direction_input = rzg2l_gpio_direction_input,
+ .direction_output = rzg2l_gpio_direction_output,
+ .get_value = rzg2l_gpio_get_value,
+ .set_value = rzg2l_gpio_set_value,
+ .request = rzg2l_gpio_request,
+ .get_function = rzg2l_gpio_get_function,
+};
+
+static int rzg2l_gpio_probe(struct udevice *dev)
+{
+ struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
+ struct ofnode_phandle_args args;
+ int ret;
+
+ uc_priv->bank_name = "rzg2l-pfc-gpio";
+ ret = ofnode_parse_phandle_with_args(dev_ofnode(dev), "gpio-ranges",
+ NULL, 3, 0, &args);
+ if (ret < 0) {
+ dev_err(dev, "Failed to parse gpio-ranges: %d\n", ret);
+ return -EINVAL;
+ }
+
+ uc_priv->gpio_count = args.args[2];
+ return rzg2l_pfc_enable(dev);
+}
+
+U_BOOT_DRIVER(rzg2l_pfc_gpio) = {
+ .name = "rzg2l-pfc-gpio",
+ .id = UCLASS_GPIO,
+ .ops = &rzg2l_gpio_ops,
+ .probe = rzg2l_gpio_probe,
+};
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 8e716f74491..1ea6e1066f2 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/sizes.h>
#include <power/regulator.h>
+#include <reset.h>
#include <asm/unaligned.h>
#include "tmio-common.h"
@@ -958,17 +959,85 @@ static void renesas_sdhi_filter_caps(struct udevice *dev)
priv->needs_clkh_fallback = false;
}
+static int rzg2l_sdhi_setup(struct udevice *dev)
+{
+ struct tmio_sd_priv *priv = dev_get_priv(dev);
+ struct clk imclk2, aclk;
+ struct reset_ctl rst;
+ int ret;
+
+ /*
+ * On members of the RZ/G2L SoC family, we need to enable
+ * additional chip detect and bus clocks, then release the SDHI
+ * module from reset.
+ */
+ ret = clk_get_by_name(dev, "cd", &imclk2);
+ if (ret < 0) {
+ dev_err(dev, "failed to get imclk2 (chip detect clk)\n");
+ goto err_get_imclk2;
+ }
+
+ ret = clk_get_by_name(dev, "aclk", &aclk);
+ if (ret < 0) {
+ dev_err(dev, "failed to get aclk\n");
+ goto err_get_aclk;
+ }
+
+ ret = clk_enable(&imclk2);
+ if (ret < 0) {
+ dev_err(dev, "failed to enable imclk2 (chip detect clk)\n");
+ goto err_imclk2;
+ }
+
+ ret = clk_enable(&aclk);
+ if (ret < 0) {
+ dev_err(dev, "failed to enable aclk\n");
+ goto err_aclk;
+ }
+
+ ret = reset_get_by_index(dev, 0, &rst);
+ if (ret < 0) {
+ dev_err(dev, "failed to get reset line\n");
+ goto err_reset;
+ }
+
+ ret = reset_deassert(&rst);
+ if (ret < 0) {
+ dev_err(dev, "failed to de-assert reset line\n");
+ goto err_reset;
+ }
+
+ ret = tmio_sd_probe(dev, priv->quirks);
+ if (ret)
+ goto err_tmio_probe;
+
+ return 0;
+
+err_tmio_probe:
+ reset_assert(&rst);
+err_reset:
+ clk_disable(&aclk);
+err_aclk:
+ clk_disable(&imclk2);
+err_imclk2:
+ clk_free(&aclk);
+err_get_aclk:
+ clk_free(&imclk2);
+err_get_imclk2:
+ return ret;
+}
+
static int renesas_sdhi_probe(struct udevice *dev)
{
struct tmio_sd_priv *priv = dev_get_priv(dev);
- u32 quirks = dev_get_driver_data(dev);
struct fdt_resource reg_res;
DECLARE_GLOBAL_DATA_PTR;
int ret;
priv->clk_get_rate = renesas_sdhi_clk_get_rate;
- if (quirks == RENESAS_GEN2_QUIRKS) {
+ priv->quirks = dev_get_driver_data(dev);
+ if (priv->quirks == RENESAS_GEN2_QUIRKS) {
ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev),
"reg", 0, &reg_res);
if (ret < 0) {
@@ -978,7 +1047,7 @@ static int renesas_sdhi_probe(struct udevice *dev)
}
if (fdt_resource_size(&reg_res) == 0x100)
- quirks |= TMIO_SD_CAP_16BIT;
+ priv->quirks |= TMIO_SD_CAP_16BIT;
}
ret = clk_get_by_index(dev, 0, &priv->clk);
@@ -1012,8 +1081,10 @@ static int renesas_sdhi_probe(struct udevice *dev)
goto err_clkh;
}
- priv->quirks = quirks;
- ret = tmio_sd_probe(dev, quirks);
+ if (device_is_compatible(dev, "renesas,sdhi-r9a07g044"))
+ ret = rzg2l_sdhi_setup(dev);
+ else
+ ret = tmio_sd_probe(dev, priv->quirks);
if (ret)
goto err_tmio_probe;
diff --git a/drivers/pinctrl/renesas/Kconfig b/drivers/pinctrl/renesas/Kconfig
index 32f44e5bbd7..4c8ec9fcf18 100644
--- a/drivers/pinctrl/renesas/Kconfig
+++ b/drivers/pinctrl/renesas/Kconfig
@@ -138,6 +138,15 @@ config PINCTRL_RZA1
help
Support pin multiplexing control on Renesas RZ/A1 R7S72100 SoCs.
+config PINCTRL_RZG2L
+ bool "Renesas RZ/G2L family pin control driver"
+ depends on PINCTRL
+ depends on PINCTRL_GENERIC
+ depends on PINCONF
+ help
+ Support the pinctrl functionality of the pin function controller (PFC)
+ on the Renesas RZ/G2L SoC family.
+
endif
config PINCTRL_RZN1
diff --git a/drivers/pinctrl/renesas/Makefile b/drivers/pinctrl/renesas/Makefile
index f9a68794eb9..cf7ec109681 100644
--- a/drivers/pinctrl/renesas/Makefile
+++ b/drivers/pinctrl/renesas/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_PINCTRL_PFC_R8A779F0) += pfc-r8a779f0.o
obj-$(CONFIG_PINCTRL_PFC_R8A779G0) += pfc-r8a779g0.o
obj-$(CONFIG_PINCTRL_RZA1) += pinctrl-rza1.o
obj-$(CONFIG_PINCTRL_RZN1) += pinctrl-rzn1.o
+obj-$(CONFIG_PINCTRL_RZG2L) += rzg2l-pfc.o
diff --git a/drivers/pinctrl/renesas/rzg2l-pfc.c b/drivers/pinctrl/renesas/rzg2l-pfc.c
new file mode 100644
index 00000000000..7b045f75d3f
--- /dev/null
+++ b/drivers/pinctrl/renesas/rzg2l-pfc.c
@@ -0,0 +1,625 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RZ/G2L Pin Function Controller
+ *
+ * Copyright (C) 2021-2023 Renesas Electronics Corp.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <clk.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/device.h>
+#include <dm/device_compat.h>
+#include <dm/devres.h>
+#include <dm/lists.h>
+#include <dm/pinctrl.h>
+#include <renesas/rzg2l-pfc.h>
+#include <reset.h>
+
+struct rzg2l_pfc_driver_data {
+ uint num_dedicated_pins;
+ uint num_ports;
+ const u32 *gpio_configs;
+};
+
+struct rzg2l_dedicated_configs {
+ const char *name;
+ u32 config;
+};
+
+/*
+ * We need to ensure that the module clock is enabled and all resets are
+ * de-asserted before using either the gpio or pinctrl functionality. Error
+ * handling can be quite simple here as if the PFC cannot be enabled then we
+ * will not be able to progress with the boot anyway.
+ */
+int rzg2l_pfc_enable(struct udevice *dev)
+{
+ struct reset_ctl_bulk rsts;
+ struct clk clk;
+ int ret;
+
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (ret < 0) {
+ dev_err(dev, "failed to get gpio module clock\n");
+ return ret;
+ }
+
+ ret = clk_enable(&clk);
+ if (ret < 0) {
+ dev_err(dev, "failed to enable gpio module clock\n");
+ return ret;
+ }
+
+ ret = reset_get_bulk(dev, &rsts);
+ if (ret < 0) {
+ dev_err(dev, "failed to get reset lines\n");
+ return ret;
+ }
+
+ ret = reset_deassert_bulk(&rsts);
+ if (ret < 0) {
+ dev_err(dev, "failed to de-assert reset lines\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+bool rzg2l_port_validate(const struct rzg2l_pfc_data *data, u32 port, u8 pin)
+{
+ return (port < data->num_ports) &&
+ (pin < RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[port]));
+}
+
+/* Decode a pin selector, returning the port index and setting *pin to the pin
+ * index. Returns -1 on error, which can be checked directly or by calling
+ * rzg2l_port_validate().
+ */
+static int rzg2l_selector_decode(const struct rzg2l_pfc_data *data,
+ unsigned int selector,
+ u8 *pin)
+{
+ int port;
+
+ selector -= data->num_dedicated_pins;
+ for (port = 0; port < data->num_ports; port++) {
+ u8 num_pins = RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[port]);
+ if (selector < num_pins) {
+ *pin = (u8)selector;
+ return port;
+ }
+ selector -= num_pins;
+ }
+ return -EINVAL;
+}
+
+static unsigned int rzg2l_selector_encode(const struct rzg2l_pfc_data *data,
+ u32 port, u8 pin)
+{
+ unsigned int selector = data->num_dedicated_pins + pin;
+ u32 i;
+
+ for (i = 0; i < port; i++)
+ selector += RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[i]);
+
+ return selector;
+}
+
+static const char * const rzg2l_gpio_names[] = {
+ "P0_0", "P0_1", "P0_2", "P0_3", "P0_4", "P0_5", "P0_6", "P0_7",
+ "P1_0", "P1_1", "P1_2", "P1_3", "P1_4", "P1_5", "P1_6", "P1_7",
+ "P2_0", "P2_1", "P2_2", "P2_3", "P2_4", "P2_5", "P2_6", "P2_7",
+ "P3_0", "P3_1", "P3_2", "P3_3", "P3_4", "P3_5", "P3_6", "P3_7",
+ "P4_0", "P4_1", "P4_2", "P4_3", "P4_4", "P4_5", "P4_6", "P4_7",
+ "P5_0", "P5_1", "P5_2", "P5_3", "P5_4", "P5_5", "P5_6", "P5_7",
+ "P6_0", "P6_1", "P6_2", "P6_3", "P6_4", "P6_5", "P6_6", "P6_7",
+ "P7_0", "P7_1", "P7_2", "P7_3", "P7_4", "P7_5", "P7_6", "P7_7",
+ "P8_0", "P8_1", "P8_2", "P8_3", "P8_4", "P8_5", "P8_6", "P8_7",
+ "P9_0", "P9_1", "P9_2", "P9_3", "P9_4", "P9_5", "P9_6", "P9_7",
+ "P10_0", "P10_1", "P10_2", "P10_3", "P10_4", "P10_5", "P10_6", "P10_7",
+ "P11_0", "P11_1", "P11_2", "P11_3", "P11_4", "P11_5", "P11_6", "P11_7",
+ "P12_0", "P12_1", "P12_2", "P12_3", "P12_4", "P12_5", "P12_6", "P12_7",
+ "P13_0", "P13_1", "P13_2", "P13_3", "P13_4", "P13_5", "P13_6", "P13_7",
+ "P14_0", "P14_1", "P14_2", "P14_3", "P14_4", "P14_5", "P14_6", "P14_7",
+ "P15_0", "P15_1", "P15_2", "P15_3", "P15_4", "P15_5", "P15_6", "P15_7",
+ "P16_0", "P16_1", "P16_2", "P16_3", "P16_4", "P16_5", "P16_6", "P16_7",
+ "P17_0", "P17_1", "P17_2", "P17_3", "P17_4", "P17_5", "P17_6", "P17_7",
+ "P18_0", "P18_1", "P18_2", "P18_3", "P18_4", "P18_5", "P18_6", "P18_7",
+ "P19_0", "P19_1", "P19_2", "P19_3", "P19_4", "P19_5", "P19_6", "P19_7",
+ "P20_0", "P20_1", "P20_2", "P20_3", "P20_4", "P20_5", "P20_6", "P20_7",
+ "P21_0", "P21_1", "P21_2", "P21_3", "P21_4", "P21_5", "P21_6", "P21_7",
+ "P22_0", "P22_1", "P22_2", "P22_3", "P22_4", "P22_5", "P22_6", "P22_7",
+ "P23_0", "P23_1", "P23_2", "P23_3", "P23_4", "P23_5", "P23_6", "P23_7",
+ "P24_0", "P24_1", "P24_2", "P24_3", "P24_4", "P24_5", "P24_6", "P24_7",
+ "P25_0", "P25_1", "P25_2", "P25_3", "P25_4", "P25_5", "P25_6", "P25_7",
+ "P26_0", "P26_1", "P26_2", "P26_3", "P26_4", "P26_5", "P26_6", "P26_7",
+ "P27_0", "P27_1", "P27_2", "P27_3", "P27_4", "P27_5", "P27_6", "P27_7",
+ "P28_0", "P28_1", "P28_2", "P28_3", "P28_4", "P28_5", "P28_6", "P28_7",
+ "P29_0", "P29_1", "P29_2", "P29_3", "P29_4", "P29_5", "P29_6", "P29_7",
+ "P30_0", "P30_1", "P30_2", "P30_3", "P30_4", "P30_5", "P30_6", "P30_7",
+ "P31_0", "P31_1", "P31_2", "P31_3", "P31_4", "P31_5", "P31_6", "P31_7",
+ "P32_0", "P32_1", "P32_2", "P32_3", "P32_4", "P32_5", "P32_6", "P32_7",
+ "P33_0", "P33_1", "P33_2", "P33_3", "P33_4", "P33_5", "P33_6", "P33_7",
+ "P34_0", "P34_1", "P34_2", "P34_3", "P34_4", "P34_5", "P34_6", "P34_7",
+ "P35_0", "P35_1", "P35_2", "P35_3", "P35_4", "P35_5", "P35_6", "P35_7",
+ "P36_0", "P36_1", "P36_2", "P36_3", "P36_4", "P36_5", "P36_6", "P36_7",
+ "P37_0", "P37_1", "P37_2", "P37_3", "P37_4", "P37_5", "P37_6", "P37_7",
+ "P38_0", "P38_1", "P38_2", "P38_3", "P38_4", "P38_5", "P38_6", "P38_7",
+ "P39_0", "P39_1", "P39_2", "P39_3", "P39_4", "P39_5", "P39_6", "P39_7",
+ "P40_0", "P40_1", "P40_2", "P40_3", "P40_4", "P40_5", "P40_6", "P40_7",
+ "P41_0", "P41_1", "P41_2", "P41_3", "P41_4", "P41_5", "P41_6", "P41_7",
+ "P42_0", "P42_1", "P42_2", "P42_3", "P42_4", "P42_5", "P42_6", "P42_7",
+ "P43_0", "P43_1", "P43_2", "P43_3", "P43_4", "P43_5", "P43_6", "P43_7",
+ "P44_0", "P44_1", "P44_2", "P44_3", "P44_4", "P44_5", "P44_6", "P44_7",
+ "P45_0", "P45_1", "P45_2", "P45_3", "P45_4", "P45_5", "P45_6", "P45_7",
+ "P46_0", "P46_1", "P46_2", "P46_3", "P46_4", "P46_5", "P46_6", "P46_7",
+ "P47_0", "P47_1", "P47_2", "P47_3", "P47_4", "P47_5", "P47_6", "P47_7",
+ "P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7",
+};
+
+static const u32 r9a07g044_gpio_configs[] = {
+ RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x13, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x14, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x15, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x16, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x17, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x18, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x19, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x1a, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x1b, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x1d, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x1e, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x1f, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x28, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x29, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(3, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x36, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x37, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(3, 0x38, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(2, 0x39, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(5, 0x3a, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(4, 0x3b, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(4, 0x3c, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(4, 0x3d, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(4, 0x3e, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(4, 0x3f, RZG2L_MPXED_PIN_FUNCS),
+ RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS),
+};
+
+static const struct {
+ struct rzg2l_dedicated_configs common[35];
+ struct rzg2l_dedicated_configs rzg2l_pins[7];
+} rzg2l_dedicated_pins = {
+ .common = {
+ { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0,
+ (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) },
+ { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0,
+ (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
+ { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0,
+ (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
+ { "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x4, 0, PIN_CFG_IEN) },
+ { "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x4, 1, PIN_CFG_IEN) },
+ { "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x6, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x6, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x6, 2,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x7, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x7, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x7, 2,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x7, 3,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x7, 4,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x7, 5,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x7, 6,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x7, 7,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
+ { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x8, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD1)) },
+ { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x8, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
+ { "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x9, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
+ { "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x9, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
+ { "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x9, 2,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
+ { "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x9, 3,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
+ { "QSPI0_SPCLK", RZG2L_SINGLE_PIN_PACK(0xa, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0xa, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0xa, 2,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0xa, 3,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0xa, 4,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI0_SSL", RZG2L_SINGLE_PIN_PACK(0xa, 5,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI_RESET#", RZG2L_SINGLE_PIN_PACK(0xc, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI_WP#", RZG2L_SINGLE_PIN_PACK(0xc, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0xd, 0, (PIN_CFG_IOLH_A | PIN_CFG_SR)) },
+ { "RIIC0_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 0, PIN_CFG_IEN) },
+ { "RIIC0_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 1, PIN_CFG_IEN) },
+ { "RIIC1_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 2, PIN_CFG_IEN) },
+ { "RIIC1_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 3, PIN_CFG_IEN) },
+ },
+ .rzg2l_pins = {
+ { "QSPI_INT#", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_SPCLK", RZG2L_SINGLE_PIN_PACK(0xb, 0,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_IO0", RZG2L_SINGLE_PIN_PACK(0xb, 1,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_IO1", RZG2L_SINGLE_PIN_PACK(0xb, 2,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_IO2", RZG2L_SINGLE_PIN_PACK(0xb, 3,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_IO3", RZG2L_SINGLE_PIN_PACK(0xb, 4,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ { "QSPI1_SSL", RZG2L_SINGLE_PIN_PACK(0xb, 5,
+ (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
+ }
+};
+
+static void rzg2l_rmw_pin_config(const struct rzg2l_pfc_data *data, u32 offset,
+ u8 pin, u32 mask, u32 val)
+{
+ void __iomem *addr = data->base + offset;
+
+ /* handle _L/_H for 32-bit register read/write */
+ if (pin >= 4) {
+ pin -= 4;
+ addr += 4;
+ }
+
+ clrsetbits_le32(addr, mask << (pin * 8), val << (pin * 8));
+}
+
+static int rzg2l_get_pins_count(struct udevice *dev)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+
+ return data->num_dedicated_pins + data->num_pins;
+}
+
+static const char *rzg2l_get_pin_name(struct udevice *dev, unsigned int selector)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ int port;
+ u8 pin;
+
+ if (selector < data->num_dedicated_pins) {
+ if (selector >= ARRAY_SIZE(rzg2l_dedicated_pins.common)) {
+ unsigned int u = selector - ARRAY_SIZE(rzg2l_dedicated_pins.common);
+ return rzg2l_dedicated_pins.rzg2l_pins[u].name;
+ } else {
+ return rzg2l_dedicated_pins.common[selector].name;
+ }
+ }
+
+ port = rzg2l_selector_decode(data, selector, &pin);
+ if (port < 0)
+ return "(invalid pin)";
+ return rzg2l_gpio_names[pin + 8 * port];
+}
+
+static int rzg2l_pinconf_set(struct udevice *dev, unsigned int pin_selector,
+ unsigned int param, unsigned int argument)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ u32 cfg, port_offset;
+ u8 pin;
+
+ if (pin_selector >= data->num_dedicated_pins) {
+ /* The pin selector refers to a multiplexed pin */
+ int port = rzg2l_selector_decode(data, pin_selector, &pin);
+ if (port < 0) {
+ dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
+ return port;
+ }
+
+ cfg = data->gpio_configs[port];
+ port_offset = P(port);
+ } else {
+ /* The pin selector refers to a dedicated function pin */
+ const struct rzg2l_dedicated_configs *dedicated_config;
+
+ if (pin_selector >= data->num_dedicated_pins) {
+ dev_err(dev, "Invalid dedicated pin %u\n", pin_selector);
+ return -EINVAL;
+ }
+
+ if (pin_selector >= ARRAY_SIZE(rzg2l_dedicated_pins.common)) {
+ pin_selector -= ARRAY_SIZE(rzg2l_dedicated_pins.common);
+ dedicated_config = &rzg2l_dedicated_pins.rzg2l_pins[pin_selector];
+ } else {
+ dedicated_config = &rzg2l_dedicated_pins.common[pin_selector];
+ }
+
+ port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(dedicated_config->config);
+ pin = RZG2L_SINGLE_PIN_GET_BIT(dedicated_config->config);
+ cfg = RZG2L_SINGLE_PIN_GET_CFGS(dedicated_config->config);
+ }
+
+ switch (param) {
+ case PIN_CONFIG_INPUT_ENABLE: {
+ if (!(cfg & PIN_CFG_IEN)) {
+ dev_err(dev, "pin does not support IEN\n");
+ return -EINVAL;
+ }
+
+ dev_dbg(dev, "port off %u:%u set IEN=%u\n",
+ port_offset, pin, argument);
+ rzg2l_rmw_pin_config(data, IEN(port_offset), pin, IEN_MASK, !!argument);
+ break;
+ }
+
+ case PIN_CONFIG_POWER_SOURCE: {
+ u32 pwr_reg = 0x0;
+
+ /* argument is in mV */
+ if (argument != 1800 && argument != 3300) {
+ dev_err(dev, "Invalid mV %u\n", argument);
+ return -EINVAL;
+ }
+
+ /*
+ * TODO: PIN_CFG_IO_VMC_ETH0 & PIN_CFG_IO_VMC_ETH1 will be
+ * handled when the RZ/G2L Ethernet driver is added.
+ */
+ if (cfg & PIN_CFG_IO_VMC_SD0) {
+ dev_dbg(dev, "port off %u:%u set SD_CH 0 PVDD=%u\n",
+ port_offset, pin, argument);
+ pwr_reg = SD_CH(0);
+ } else if (cfg & PIN_CFG_IO_VMC_SD1) {
+ dev_dbg(dev, "port off %u:%u set SD_CH 1 PVDD=%u\n",
+ port_offset, pin, argument);
+ pwr_reg = SD_CH(1);
+ } else if (cfg & PIN_CFG_IO_VMC_QSPI) {
+ dev_dbg(dev, "port off %u:%u set QSPI PVDD=%u\n",
+ port_offset, pin, argument);
+ pwr_reg = QSPI;
+ } else {
+ dev_dbg(dev, "pin power source is not selectable\n");
+ return -EINVAL;
+ }
+
+ writel((argument == 1800) ? PVDD_1800 : PVDD_3300,
+ data->base + pwr_reg);
+ break;
+ }
+
+ default:
+ dev_err(dev, "Invalid pinconf parameter\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int rzg2l_pinmux_property_set(struct udevice *dev, u32 pinmux_group)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ u32 port, pin, func, pfc_state;
+ u8 pmc_state;
+
+ func = RZG2L_PINMUX_TO_FUNC(pinmux_group);
+ if (func > 5) {
+ dev_err(dev, "Invalid pin function %u\n", func);
+ return -EINVAL;
+ }
+
+ port = RZG2L_PINMUX_TO_PORT(pinmux_group);
+ pin = RZG2L_PINMUX_TO_PIN(pinmux_group);
+ if (!rzg2l_port_validate(data, port, pin)) {
+ dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
+ return -EINVAL;
+ }
+
+ /* Check current PMC & PFC to decide if we need to change anything. */
+ pmc_state = readb(data->base + PMC(port)) & BIT(pin);
+ pfc_state = (readl(data->base + PFC(port)) >> (pin * 4)) & PFC_MASK;
+ if (pmc_state && pfc_state == func)
+ return 0;
+
+ dev_dbg(dev, "pinmux port %u pin %u func %u\n", port, pin, func);
+
+ /* Set pin to 'Non-use (Hi-Z input protection)' */
+ clrbits_le16(data->base + PM(port), PM_MASK << (pin * 2));
+
+ /* Temporarily switch to GPIO mode with PMC register */
+ clrbits_8(data->base + PMC(port), BIT(pin));
+
+ /* Set the PWPR register to allow PFC register to write */
+ writel(0x0, data->base + PWPR); /* B0WI=0, PFCWE=0 */
+ writel(PWPR_PFCWE, data->base + PWPR); /* B0WI=0, PFCWE=1 */
+
+ /* Select Pin function mode with PFC register */
+ clrsetbits_le32(data->base + PFC(port), PFC_MASK << (pin * 4),
+ func << (pin * 4));
+
+ /* Set the PWPR register to be write-protected */
+ writel(0x0, data->base + PWPR); /* B0WI=0, PFCWE=0 */
+ writel(PWPR_B0WI, data->base + PWPR); /* B0WI=1, PFCWE=0 */
+
+ /* Switch to Peripheral pin function with PMC register */
+ setbits_8(data->base + PMC(port), BIT(pin));
+
+ return rzg2l_selector_encode(data, port, pin);
+}
+
+static int rzg2l_get_pin_muxing(struct udevice *dev, unsigned int selector,
+ char *buf, int size)
+{
+ const struct rzg2l_pfc_data *data =
+ (const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
+ u32 pmc_state;
+ int port;
+ u8 pin;
+
+ if (selector < data->num_dedicated_pins) {
+ snprintf(buf, size, rzg2l_get_pin_name(dev, selector));
+ return 0;
+ }
+
+ port = rzg2l_selector_decode(data, selector, &pin);
+ if (port < 0) {
+ dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
+ return port;
+ }
+
+ pmc_state = readb(data->base + PMC(port)) & BIT(pin);
+ if (pmc_state) {
+ u32 pfc_state = (readl(data->base + PFC(port)) >> (pin * 4)) & PFC_MASK;
+ snprintf(buf, size, "Function %d", pfc_state);
+ return 0;
+ }
+
+ snprintf(buf, size, "GPIO");
+ return 0;
+}
+
+static const struct pinconf_param rzg2l_pinconf_params[] = {
+ { "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
+ { "power-source", PIN_CONFIG_POWER_SOURCE, 3300 /* mV */ },
+};
+
+static const struct pinctrl_ops rzg2l_pinctrl_ops = {
+ .get_pins_count = rzg2l_get_pins_count,
+ .get_pin_name = rzg2l_get_pin_name,
+
+ .pinconf_num_params = ARRAY_SIZE(rzg2l_pinconf_params),
+ .pinconf_params = rzg2l_pinconf_params,
+ .pinconf_set = rzg2l_pinconf_set,
+
+ .pinmux_property_set = rzg2l_pinmux_property_set,
+ .set_state = pinctrl_generic_set_state,
+ .get_pin_muxing = rzg2l_get_pin_muxing,
+};
+
+static int rzg2l_pinctrl_probe(struct udevice *dev)
+{
+ return rzg2l_pfc_enable(dev);
+}
+
+U_BOOT_DRIVER(rzg2l_pfc_pinctrl) = {
+ .name = "rzg2l-pfc-pinctrl",
+ .id = UCLASS_PINCTRL,
+ .ops = &rzg2l_pinctrl_ops,
+ .probe = rzg2l_pinctrl_probe,
+};
+
+static const struct rzg2l_pfc_driver_data r9a07g044_driver_data = {
+ .num_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) +
+ ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins),
+ .num_ports = ARRAY_SIZE(r9a07g044_gpio_configs),
+ .gpio_configs = r9a07g044_gpio_configs,
+};
+
+static const struct udevice_id rzg2l_pfc_ids[] = {
+ { .compatible = "renesas,r9a07g044-pinctrl", .data = (ulong)&r9a07g044_driver_data },
+ { /* sentinel */ }
+};
+
+static int rzg2l_pfc_bind(struct udevice *parent)
+{
+ struct rzg2l_pfc_driver_data *driver_data;
+ struct rzg2l_pfc_data *data;
+ struct udevice *pinctrl_dev;
+ struct driver *drv;
+ unsigned int i;
+ int ret;
+
+ driver_data =
+ (struct rzg2l_pfc_driver_data *)dev_get_driver_data(parent);
+ if (!driver_data)
+ return -EINVAL;
+ data = devm_kmalloc(parent, sizeof(*data), 0);
+ if (!data)
+ return -ENOMEM;
+
+ data->base = dev_read_addr_ptr(parent);
+ if (!data->base)
+ return -EINVAL;
+ data->num_dedicated_pins = driver_data->num_dedicated_pins;
+ data->num_ports = driver_data->num_ports;
+ data->gpio_configs = driver_data->gpio_configs;
+
+ data->num_pins = 0;
+ for (i = 0; i < data->num_ports; i++)
+ data->num_pins += RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[i]);
+ dev_dbg(parent, "%u dedicated pins, %u muxed ports, %u muxed pins\n",
+ data->num_dedicated_pins, data->num_ports, data->num_pins);
+
+ drv = lists_driver_lookup_name("rzg2l-pfc-pinctrl");
+ if (!drv)
+ return -ENOENT;
+
+ ret = device_bind_with_driver_data(parent, drv, parent->name,
+ (ulong)data, dev_ofnode(parent),
+ &pinctrl_dev);
+
+ if (!ret && IS_ENABLED(CONFIG_RZG2L_GPIO)) {
+ drv = lists_driver_lookup_name("rzg2l-pfc-gpio");
+ if (!drv) {
+ device_unbind(pinctrl_dev);
+ return -ENOENT;
+ }
+
+ ret = device_bind_with_driver_data(parent, drv, parent->name,
+ (ulong)data,
+ dev_ofnode(parent), NULL);
+ if (ret)
+ device_unbind(pinctrl_dev);
+ }
+
+ return ret;
+}
+
+U_BOOT_DRIVER(rzg2l_pfc) = {
+ .name = "rzg2l-pfc",
+ .id = UCLASS_NOP,
+ .of_match = rzg2l_pfc_ids,
+ .bind = rzg2l_pfc_bind,
+};
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index 20cda5dbe27..36263109e6b 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -7,16 +7,16 @@
*/
#include <common.h>
-#include <errno.h>
-#include <clk.h>
-#include <dm.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/processor.h>
-#include <serial.h>
-#include <linux/compiler.h>
+#include <clk.h>
+#include <dm.h>
#include <dm/platform_data/serial_sh.h>
+#include <errno.h>
+#include <linux/compiler.h>
#include <linux/delay.h>
+#include <serial.h>
#include "serial_sh.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -58,8 +58,10 @@ static void sh_serial_init_generic(struct uart_port *port)
sci_out(port, SCSPTR, 0x0003);
#endif
+#if IS_ENABLED(CONFIG_RCAR_GEN2) || IS_ENABLED(CONFIG_RCAR_GEN3) || IS_ENABLED(CONFIG_RCAR_GEN4)
if (port->type == PORT_HSCIF)
sci_out(port, HSSRR, HSSRR_SRE | HSSRR_SRCYC8);
+#endif
}
static void