clk: sunxi: Add support for H616 clocks

This commit introduces DM H616 clock driver.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/drivers/clk/sunxi/Kconfig b/drivers/clk/sunxi/Kconfig
index 5ff101b..bf084fa 100644 (file)
--- a/drivers/clk/sunxi/Kconfig
+++ b/drivers/clk/sunxi/Kconfig
@@ -79,6 +79,13 @@ config CLK_SUN50I_H6
          This enables common clock driver support for platforms based
          on Allwinner H6 SoC.
 
+config CLK_SUN50I_H616
+       bool "Clock driver for Allwinner H616"
+       default MACH_SUN50I_H616
+       help
+         This enables common clock driver support for platforms based
+         on Allwinner H616 SoC.
+
 config CLK_SUN50I_A64
        bool "Clock driver for Allwinner A64"
        default MACH_SUN50I

diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile
index 36fb2ae..0dfc059 100644 (file)
--- a/drivers/clk/sunxi/Makefile
+++ b/drivers/clk/sunxi/Makefile
@@ -16,4 +16,5 @@ obj-$(CONFIG_CLK_SUN8I_V3S) += clk_v3s.o
 obj-$(CONFIG_CLK_SUN9I_A80) += clk_a80.o
 obj-$(CONFIG_CLK_SUN8I_H3) += clk_h3.o
 obj-$(CONFIG_CLK_SUN50I_H6) += clk_h6.o
+obj-$(CONFIG_CLK_SUN50I_H616) += clk_h616.o
 obj-$(CONFIG_CLK_SUN50I_A64) += clk_a64.o

diff --git a/drivers/clk/sunxi/clk_h616.c b/drivers/clk/sunxi/clk_h616.c
new file mode 100644 (file)
index 0000000..553d7c6
--- /dev/null
+++ b/drivers/clk/sunxi/clk_h616.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2021 Jernej Skrabec <jernej.skrabec@siol.net>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/arch/ccu.h>
+#include <dt-bindings/clock/sun50i-h616-ccu.h>
+#include <dt-bindings/reset/sun50i-h616-ccu.h>
+#include <linux/bitops.h>
+
+static struct ccu_clk_gate h616_gates[] = {
+       [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_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_EMAC0]         = GATE(0x97c, BIT(0)),
+       [CLK_BUS_EMAC1]         = GATE(0x97c, BIT(1)),
+
+       [CLK_USB_PHY0]          = GATE(0xa70, BIT(29)),
+       [CLK_USB_OHCI0]         = GATE(0xa70, BIT(31)),
+
+       [CLK_USB_PHY1]          = GATE(0xa74, BIT(29)),
+       [CLK_USB_OHCI1]         = GATE(0xa74, BIT(31)),
+
+       [CLK_USB_PHY2]          = GATE(0xa78, BIT(29)),
+       [CLK_USB_OHCI2]         = GATE(0xa78, BIT(31)),
+
+       [CLK_USB_PHY3]          = GATE(0xa7c, BIT(29)),
+       [CLK_USB_OHCI3]         = GATE(0xa7c, BIT(31)),
+
+       [CLK_BUS_OHCI0]         = GATE(0xa8c, BIT(0)),
+       [CLK_BUS_OHCI1]         = GATE(0xa8c, BIT(1)),
+       [CLK_BUS_OHCI2]         = GATE(0xa8c, BIT(2)),
+       [CLK_BUS_OHCI3]         = GATE(0xa8c, BIT(3)),
+       [CLK_BUS_EHCI0]         = GATE(0xa8c, BIT(4)),
+       [CLK_BUS_EHCI1]         = GATE(0xa8c, BIT(5)),
+       [CLK_BUS_EHCI2]         = GATE(0xa8c, BIT(6)),
+       [CLK_BUS_EHCI3]         = GATE(0xa8c, BIT(7)),
+       [CLK_BUS_OTG]           = GATE(0xa8c, BIT(8)),
+};
+
+static struct ccu_reset h616_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_SPI0]          = RESET(0x96c, BIT(16)),
+       [RST_BUS_SPI1]          = RESET(0x96c, BIT(17)),
+
+       [RST_BUS_EMAC0]         = RESET(0x97c, BIT(16)),
+       [RST_BUS_EMAC1]         = RESET(0x97c, BIT(17)),
+
+       [RST_USB_PHY0]          = RESET(0xa70, BIT(30)),
+
+       [RST_USB_PHY1]          = RESET(0xa74, BIT(30)),
+
+       [RST_USB_PHY2]          = RESET(0xa78, BIT(30)),
+
+       [RST_USB_PHY3]          = RESET(0xa7c, BIT(30)),
+
+       [RST_BUS_OHCI0]         = RESET(0xa8c, BIT(16)),
+       [RST_BUS_OHCI1]         = RESET(0xa8c, BIT(17)),
+       [RST_BUS_OHCI2]         = RESET(0xa8c, BIT(18)),
+       [RST_BUS_OHCI3]         = RESET(0xa8c, BIT(19)),
+       [RST_BUS_EHCI0]         = RESET(0xa8c, BIT(20)),
+       [RST_BUS_EHCI1]         = RESET(0xa8c, BIT(21)),
+       [RST_BUS_EHCI2]         = RESET(0xa8c, BIT(22)),
+       [RST_BUS_EHCI3]         = RESET(0xa8c, BIT(23)),
+       [RST_BUS_OTG]           = RESET(0xa8c, BIT(24)),
+};
+
+static const struct ccu_desc h616_ccu_desc = {
+       .gates = h616_gates,
+       .resets = h616_resets,
+};
+
+static int h616_clk_bind(struct udevice *dev)
+{
+       return sunxi_reset_bind(dev, ARRAY_SIZE(h616_resets));
+}
+
+static const struct udevice_id h616_ccu_ids[] = {
+       { .compatible = "allwinner,sun50i-h616-ccu",
+         .data = (ulong)&h616_ccu_desc },
+       { }
+};
+
+U_BOOT_DRIVER(clk_sun50i_h616) = {
+       .name           = "sun50i_h616_ccu",
+       .id             = UCLASS_CLK,
+       .of_match       = h616_ccu_ids,
+       .priv_auto      = sizeof(struct ccu_priv),
+       .ops            = &sunxi_clk_ops,
+       .probe          = sunxi_clk_probe,
+       .bind           = h616_clk_bind,
+};