From aad739f946a86c5dd07c3d8fc66c2795a256cfbb Mon Sep 17 00:00:00 2001 From: David Lechner Date: Thu, 15 Mar 2018 21:52:32 -0500 Subject: clk: davinci: Add platform information for TI DM646x PSC This adds platform-specific declarations for the PSC clocks on TI DM646x based systems. Signed-off-by: David Lechner Signed-off-by: Stephen Boyd --- drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-dm646x.c | 80 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/davinci/psc.c | 1 + drivers/clk/davinci/psc.h | 1 + 4 files changed, 83 insertions(+) create mode 100644 drivers/clk/davinci/psc-dm646x.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index a20e3795eaf9..6c388d44162d 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -15,4 +15,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += psc-dm365.o obj-$(CONFIG_ARCH_DAVINCI_DM644x) += psc-dm644x.o +obj-$(CONFIG_ARCH_DAVINCI_DM646x) += psc-dm646x.o endif diff --git a/drivers/clk/davinci/psc-dm646x.c b/drivers/clk/davinci/psc-dm646x.c new file mode 100644 index 000000000000..468ef86ea40b --- /dev/null +++ b/drivers/clk/davinci/psc-dm646x.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM646x + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include +#include +#include +#include + +#include "psc.h" + +LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); + +static const struct davinci_lpsc_clk_info dm646x_psc_info[] = { + LPSC(0, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(1, 0, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, edma_cc, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(5, 0, edma_tc0, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(6, 0, edma_tc1, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, edma_tc2, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, edma_tc3, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(10, 0, ide, pll1_sysclk4, ide_clkdev, 0), + LPSC(14, 0, emac, pll1_sysclk3, emac_clkdev, 0), + LPSC(16, 0, vpif0, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(17, 0, vpif1, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(21, 0, aemif, pll1_sysclk3, aemif_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(22, 0, mcasp0, pll1_sysclk3, mcasp0_clkdev, 0), + LPSC(23, 0, mcasp1, pll1_sysclk3, mcasp1_clkdev, 0), + LPSC(26, 0, uart0, aux_clkin, uart0_clkdev, 0), + LPSC(27, 0, uart1, aux_clkin, uart1_clkdev, 0), + LPSC(28, 0, uart2, aux_clkin, uart2_clkdev, 0), + /* REVIST: disabling hangs system */ + LPSC(29, 0, pwm0, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + /* REVIST: disabling hangs system */ + LPSC(30, 0, pwm1, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, i2c, pll1_sysclk3, i2c_clkdev, 0), + LPSC(33, 0, gpio, pll1_sysclk3, gpio_clkdev, 0), + LPSC(34, 0, timer0, pll1_sysclk3, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(35, 0, timer1, pll1_sysclk3, NULL, 0), + { } +}; + +static int dm646x_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm646x_psc_info, 46, base); +} + +static struct clk_bulk_data dm646x_psc_parent_clks[] = { + { .id = "ref_clk" }, + { .id = "aux_clkin" }, + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk2" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk4" }, + { .id = "pll1_sysclk5" }, +}; + +const struct davinci_psc_init_data dm646x_psc_init_data = { + .parent_clks = dm646x_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm646x_psc_parent_clks), + .psc_init = &dm646x_psc_init, +}; diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c index 65209382a3a6..3b0e59dfbdd7 100644 --- a/drivers/clk/davinci/psc.c +++ b/drivers/clk/davinci/psc.c @@ -495,6 +495,7 @@ static const struct platform_device_id davinci_psc_id_table[] = { { .name = "dm355-psc", .driver_data = (kernel_ulong_t)&dm355_psc_init_data }, { .name = "dm365-psc", .driver_data = (kernel_ulong_t)&dm365_psc_init_data }, { .name = "dm644x-psc", .driver_data = (kernel_ulong_t)&dm644x_psc_init_data }, + { .name = "dm646x-psc", .driver_data = (kernel_ulong_t)&dm646x_psc_init_data }, { } }; diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h index d665cb005099..c2a7df6413fe 100644 --- a/drivers/clk/davinci/psc.h +++ b/drivers/clk/davinci/psc.h @@ -103,5 +103,6 @@ extern const struct davinci_psc_init_data of_da850_psc1_init_data; extern const struct davinci_psc_init_data dm355_psc_init_data; extern const struct davinci_psc_init_data dm365_psc_init_data; extern const struct davinci_psc_init_data dm644x_psc_init_data; +extern const struct davinci_psc_init_data dm646x_psc_init_data; #endif /* __CLK_DAVINCI_PSC_H__ */ -- cgit v1.2.3