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3d83c4a1d4
Implement EMAC clocks via ccu_clk_gate for Allwinner A10 SoC. Which would eventually used in sunxi_emac.c driver. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (C) 2018 Amarula Solutions.
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* Author: Jagan Teki <jagan@amarulasolutions.com>
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*/
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#include <common.h>
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#include <clk-uclass.h>
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#include <dm.h>
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#include <errno.h>
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#include <asm/arch/ccu.h>
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#include <dt-bindings/clock/sun5i-ccu.h>
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#include <dt-bindings/reset/sun5i-ccu.h>
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static struct ccu_clk_gate a10s_gates[] = {
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[CLK_AHB_OTG] = GATE(0x060, BIT(0)),
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[CLK_AHB_EHCI] = GATE(0x060, BIT(1)),
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[CLK_AHB_OHCI] = GATE(0x060, BIT(2)),
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[CLK_AHB_MMC0] = GATE(0x060, BIT(8)),
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[CLK_AHB_MMC1] = GATE(0x060, BIT(9)),
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[CLK_AHB_MMC2] = GATE(0x060, BIT(10)),
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[CLK_AHB_EMAC] = GATE(0x060, BIT(17)),
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[CLK_AHB_SPI0] = GATE(0x060, BIT(20)),
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[CLK_AHB_SPI1] = GATE(0x060, BIT(21)),
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[CLK_AHB_SPI2] = GATE(0x060, BIT(22)),
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[CLK_APB1_UART0] = GATE(0x06c, BIT(16)),
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[CLK_APB1_UART1] = GATE(0x06c, BIT(17)),
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[CLK_APB1_UART2] = GATE(0x06c, BIT(18)),
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[CLK_APB1_UART3] = GATE(0x06c, BIT(19)),
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[CLK_SPI0] = GATE(0x0a0, BIT(31)),
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[CLK_SPI1] = GATE(0x0a4, BIT(31)),
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[CLK_SPI2] = GATE(0x0a8, BIT(31)),
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[CLK_USB_OHCI] = GATE(0x0cc, BIT(6)),
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[CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
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[CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
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};
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static struct ccu_reset a10s_resets[] = {
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[RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
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[RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
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};
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static const struct ccu_desc a10s_ccu_desc = {
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.gates = a10s_gates,
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.resets = a10s_resets,
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};
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static int a10s_clk_bind(struct udevice *dev)
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{
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return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
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}
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static const struct udevice_id a10s_ccu_ids[] = {
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{ .compatible = "allwinner,sun5i-a10s-ccu",
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.data = (ulong)&a10s_ccu_desc },
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{ .compatible = "allwinner,sun5i-a13-ccu",
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.data = (ulong)&a10s_ccu_desc },
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{ }
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};
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U_BOOT_DRIVER(clk_sun5i_a10s) = {
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.name = "sun5i_a10s_ccu",
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.id = UCLASS_CLK,
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.of_match = a10s_ccu_ids,
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.priv_auto_alloc_size = sizeof(struct ccu_priv),
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.ops = &sunxi_clk_ops,
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.probe = sunxi_clk_probe,
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.bind = a10s_clk_bind,
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};
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