mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 14:23:00 +00:00
82111469a5
- Implement SPI AHB, MOD clocks via ccu_clk_gate for all supported Allwinner SoCs - Implement SPI resets via ccu_reset for all supported Allwinner SoCs. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
|
|
/*
|
|
* Copyright (C) 2018 Amarula Solutions B.V.
|
|
* 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/sun8i-a23-a33-ccu.h>
|
|
#include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
|
|
|
|
static struct ccu_clk_gate a23_gates[] = {
|
|
[CLK_BUS_MMC0] = GATE(0x060, BIT(8)),
|
|
[CLK_BUS_MMC1] = GATE(0x060, BIT(9)),
|
|
[CLK_BUS_MMC2] = GATE(0x060, BIT(10)),
|
|
[CLK_BUS_SPI0] = GATE(0x060, BIT(20)),
|
|
[CLK_BUS_SPI1] = GATE(0x060, BIT(21)),
|
|
[CLK_BUS_OTG] = GATE(0x060, BIT(24)),
|
|
[CLK_BUS_EHCI] = GATE(0x060, BIT(26)),
|
|
[CLK_BUS_OHCI] = GATE(0x060, BIT(29)),
|
|
|
|
[CLK_BUS_UART0] = GATE(0x06c, BIT(16)),
|
|
[CLK_BUS_UART1] = GATE(0x06c, BIT(17)),
|
|
[CLK_BUS_UART2] = GATE(0x06c, BIT(18)),
|
|
[CLK_BUS_UART3] = GATE(0x06c, BIT(19)),
|
|
[CLK_BUS_UART4] = GATE(0x06c, BIT(20)),
|
|
|
|
[CLK_SPI0] = GATE(0x0a0, BIT(31)),
|
|
[CLK_SPI1] = GATE(0x0a4, BIT(31)),
|
|
|
|
[CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
|
|
[CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
|
|
[CLK_USB_HSIC] = GATE(0x0cc, BIT(10)),
|
|
[CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)),
|
|
[CLK_USB_OHCI] = GATE(0x0cc, BIT(16)),
|
|
};
|
|
|
|
static struct ccu_reset a23_resets[] = {
|
|
[RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
|
|
[RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
|
|
[RST_USB_HSIC] = RESET(0x0cc, BIT(2)),
|
|
|
|
[RST_BUS_MMC0] = RESET(0x2c0, BIT(8)),
|
|
[RST_BUS_MMC1] = RESET(0x2c0, BIT(9)),
|
|
[RST_BUS_MMC2] = RESET(0x2c0, BIT(10)),
|
|
[RST_BUS_SPI0] = RESET(0x2c0, BIT(20)),
|
|
[RST_BUS_SPI1] = RESET(0x2c0, BIT(21)),
|
|
[RST_BUS_OTG] = RESET(0x2c0, BIT(24)),
|
|
[RST_BUS_EHCI] = RESET(0x2c0, BIT(26)),
|
|
[RST_BUS_OHCI] = RESET(0x2c0, BIT(29)),
|
|
|
|
[RST_BUS_UART0] = RESET(0x2d8, BIT(16)),
|
|
[RST_BUS_UART1] = RESET(0x2d8, BIT(17)),
|
|
[RST_BUS_UART2] = RESET(0x2d8, BIT(18)),
|
|
[RST_BUS_UART3] = RESET(0x2d8, BIT(19)),
|
|
[RST_BUS_UART4] = RESET(0x2d8, BIT(20)),
|
|
};
|
|
|
|
static const struct ccu_desc a23_ccu_desc = {
|
|
.gates = a23_gates,
|
|
.resets = a23_resets,
|
|
};
|
|
|
|
static int a23_clk_bind(struct udevice *dev)
|
|
{
|
|
return sunxi_reset_bind(dev, ARRAY_SIZE(a23_resets));
|
|
}
|
|
|
|
static const struct udevice_id a23_clk_ids[] = {
|
|
{ .compatible = "allwinner,sun8i-a23-ccu",
|
|
.data = (ulong)&a23_ccu_desc },
|
|
{ .compatible = "allwinner,sun8i-a33-ccu",
|
|
.data = (ulong)&a23_ccu_desc },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(clk_sun8i_a23) = {
|
|
.name = "sun8i_a23_ccu",
|
|
.id = UCLASS_CLK,
|
|
.of_match = a23_clk_ids,
|
|
.priv_auto_alloc_size = sizeof(struct ccu_priv),
|
|
.ops = &sunxi_clk_ops,
|
|
.probe = sunxi_clk_probe,
|
|
.bind = a23_clk_bind,
|
|
};
|