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clk: sunxi: Add support for H616 clocks

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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>
This commit is contained in:
Jernej Skrabec 2021-01-11 21:11:52 +01:00 committed by Andre Przywara
parent 7836ccf673
commit 1dc70ffa1c
3 changed files with 128 additions and 0 deletions
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7
drivers/clk/sunxi/Kconfig
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@ -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

1
drivers/clk/sunxi/Makefile
View File

@ -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

120
drivers/clk/sunxi/clk_h616.c Normal file
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@ -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,
};