u-boot-brain/drivers/clk/sunxi/clk_a10.c
Andre Przywara bb3e5aa289 sunxi: clk: add MMC gates/resets
Add the MMC clock gates and reset bits for all the Allwinner SoCs.
This allows them to be used by the MMC driver.

We don't advertise the mod clock yet, as this is still handled by the
MMC driver.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
[jagan: add V3S, A80 gates/resets]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
2019-01-29 23:30:11 +05:30

73 lines
2.0 KiB
C

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2018 Amarula Solutions.
* Author: Jagan Teki <jagan@amarulasolutions.com>
*/
#include <common.h>
#include <clk-uclass.h>
#include <dm.h>
#include <errno.h>
#include <asm/arch/ccu.h>
#include <dt-bindings/clock/sun4i-a10-ccu.h>
#include <dt-bindings/reset/sun4i-a10-ccu.h>
static struct ccu_clk_gate a10_gates[] = {
[CLK_AHB_OTG] = GATE(0x060, BIT(0)),
[CLK_AHB_EHCI0] = GATE(0x060, BIT(1)),
[CLK_AHB_OHCI0] = GATE(0x060, BIT(2)),
[CLK_AHB_EHCI1] = GATE(0x060, BIT(3)),
[CLK_AHB_OHCI1] = GATE(0x060, BIT(4)),
[CLK_AHB_MMC0] = GATE(0x060, BIT(8)),
[CLK_AHB_MMC1] = GATE(0x060, BIT(9)),
[CLK_AHB_MMC2] = GATE(0x060, BIT(10)),
[CLK_AHB_MMC3] = GATE(0x060, BIT(11)),
[CLK_APB1_UART0] = GATE(0x06c, BIT(16)),
[CLK_APB1_UART1] = GATE(0x06c, BIT(17)),
[CLK_APB1_UART2] = GATE(0x06c, BIT(18)),
[CLK_APB1_UART3] = GATE(0x06c, BIT(19)),
[CLK_APB1_UART4] = GATE(0x06c, BIT(20)),
[CLK_APB1_UART5] = GATE(0x06c, BIT(21)),
[CLK_APB1_UART6] = GATE(0x06c, BIT(22)),
[CLK_APB1_UART7] = GATE(0x06c, BIT(23)),
[CLK_USB_OHCI0] = GATE(0x0cc, BIT(6)),
[CLK_USB_OHCI1] = GATE(0x0cc, BIT(7)),
[CLK_USB_PHY] = GATE(0x0cc, BIT(8)),
};
static struct ccu_reset a10_resets[] = {
[RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
[RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
[RST_USB_PHY2] = RESET(0x0cc, BIT(2)),
};
static const struct ccu_desc a10_ccu_desc = {
.gates = a10_gates,
.resets = a10_resets,
};
static int a10_clk_bind(struct udevice *dev)
{
return sunxi_reset_bind(dev, ARRAY_SIZE(a10_resets));
}
static const struct udevice_id a10_ccu_ids[] = {
{ .compatible = "allwinner,sun4i-a10-ccu",
.data = (ulong)&a10_ccu_desc },
{ .compatible = "allwinner,sun7i-a20-ccu",
.data = (ulong)&a10_ccu_desc },
{ }
};
U_BOOT_DRIVER(clk_sun4i_a10) = {
.name = "sun4i_a10_ccu",
.id = UCLASS_CLK,
.of_match = a10_ccu_ids,
.priv_auto_alloc_size = sizeof(struct ccu_priv),
.ops = &sunxi_clk_ops,
.probe = sunxi_clk_probe,
.bind = a10_clk_bind,
};