clk: sunxi: Add support for the D1 CCU

Since the D1 CCU binding is defined, we can add support for its
gates/resets, following the pattern of the existing drivers.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/drivers/clk/sunxi/clk_d1.c b/drivers/clk/sunxi/clk_d1.c
new file mode 100644
index 00000000000..9dae761de83
--- /dev/null
+++ b/drivers/clk/sunxi/clk_d1.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <clk/sunxi.h>
+#include <dt-bindings/clock/sun20i-d1-ccu.h>
+#include <dt-bindings/reset/sun20i-d1-ccu.h>
+#include <linux/bitops.h>
+
+static struct ccu_clk_gate d1_gates[] = {
+	[CLK_APB0]		= GATE_DUMMY,
+
+	[CLK_BUS_MMC0]		= GATE(0x84c, BIT(0)),
+	[CLK_BUS_MMC1]		= GATE(0x84c, BIT(1)),
+	[CLK_BUS_MMC2]		= GATE(0x84c, BIT(2)),
+	[CLK_BUS_UART0]		= GATE(0x90c, BIT(0)),
+	[CLK_BUS_UART1]		= GATE(0x90c, BIT(1)),
+	[CLK_BUS_UART2]		= GATE(0x90c, BIT(2)),
+	[CLK_BUS_UART3]		= GATE(0x90c, BIT(3)),
+	[CLK_BUS_UART4]		= GATE(0x90c, BIT(4)),
+	[CLK_BUS_UART5]		= GATE(0x90c, BIT(5)),
+	[CLK_BUS_I2C0]		= GATE(0x91c, BIT(0)),
+	[CLK_BUS_I2C1]		= GATE(0x91c, BIT(1)),
+	[CLK_BUS_I2C2]		= GATE(0x91c, BIT(2)),
+	[CLK_BUS_I2C3]		= GATE(0x91c, BIT(3)),
+	[CLK_SPI0]		= GATE(0x940, BIT(31)),
+	[CLK_SPI1]		= GATE(0x944, BIT(31)),
+	[CLK_BUS_SPI0]		= GATE(0x96c, BIT(0)),
+	[CLK_BUS_SPI1]		= GATE(0x96c, BIT(1)),
+
+	[CLK_BUS_EMAC]		= GATE(0x97c, BIT(0)),
+
+	[CLK_USB_OHCI0]		= GATE(0xa70, BIT(31)),
+	[CLK_USB_OHCI1]		= GATE(0xa74, BIT(31)),
+	[CLK_BUS_OHCI0]		= GATE(0xa8c, BIT(0)),
+	[CLK_BUS_OHCI1]		= GATE(0xa8c, BIT(1)),
+	[CLK_BUS_EHCI0]		= GATE(0xa8c, BIT(4)),
+	[CLK_BUS_EHCI1]		= GATE(0xa8c, BIT(5)),
+	[CLK_BUS_OTG]		= GATE(0xa8c, BIT(8)),
+	[CLK_BUS_LRADC]		= GATE(0xa9c, BIT(0)),
+
+	[CLK_RISCV]		= GATE(0xd04, BIT(31)),
+};
+
+static struct ccu_reset d1_resets[] = {
+	[RST_BUS_MMC0]		= RESET(0x84c, BIT(16)),
+	[RST_BUS_MMC1]		= RESET(0x84c, BIT(17)),
+	[RST_BUS_MMC2]		= RESET(0x84c, BIT(18)),
+	[RST_BUS_UART0]		= RESET(0x90c, BIT(16)),
+	[RST_BUS_UART1]		= RESET(0x90c, BIT(17)),
+	[RST_BUS_UART2]		= RESET(0x90c, BIT(18)),
+	[RST_BUS_UART3]		= RESET(0x90c, BIT(19)),
+	[RST_BUS_UART4]		= RESET(0x90c, BIT(20)),
+	[RST_BUS_UART5]		= RESET(0x90c, BIT(21)),
+	[RST_BUS_I2C0]		= RESET(0x91c, BIT(16)),
+	[RST_BUS_I2C1]		= RESET(0x91c, BIT(17)),
+	[RST_BUS_I2C2]		= RESET(0x91c, BIT(18)),
+	[RST_BUS_I2C3]		= RESET(0x91c, BIT(19)),
+	[RST_BUS_SPI0]		= RESET(0x96c, BIT(16)),
+	[RST_BUS_SPI1]		= RESET(0x96c, BIT(17)),
+
+	[RST_BUS_EMAC]		= RESET(0x97c, BIT(16)),
+
+	[RST_USB_PHY0]		= RESET(0xa70, BIT(30)),
+	[RST_USB_PHY1]		= RESET(0xa74, BIT(30)),
+	[RST_BUS_OHCI0]		= RESET(0xa8c, BIT(16)),
+	[RST_BUS_OHCI1]		= RESET(0xa8c, BIT(17)),
+	[RST_BUS_EHCI0]		= RESET(0xa8c, BIT(20)),
+	[RST_BUS_EHCI1]		= RESET(0xa8c, BIT(21)),
+	[RST_BUS_OTG]		= RESET(0xa8c, BIT(24)),
+	[RST_BUS_LRADC]		= RESET(0xa9c, BIT(16)),
+};
+
+const struct ccu_desc d1_ccu_desc = {
+	.gates	= d1_gates,
+	.resets	= d1_resets,
+	.num_gates = ARRAY_SIZE(d1_gates),
+	.num_resets = ARRAY_SIZE(d1_resets),
+};