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98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (C) Samuel Holland <samuel@sholland.org>
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*/
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#include <clk-uclass.h>
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#include <dm.h>
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#include <clk/sunxi.h>
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#include <linux/bitops.h>
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static struct ccu_clk_gate sun6i_apb0_gates[] = {
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[0] = GATE(0x028, BIT(0)),
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[1] = GATE(0x028, BIT(1)),
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[2] = GATE(0x028, BIT(2)),
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[3] = GATE(0x028, BIT(3)),
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[4] = GATE(0x028, BIT(4)),
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[5] = GATE(0x028, BIT(5)),
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[6] = GATE(0x028, BIT(6)),
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[7] = GATE(0x028, BIT(7)),
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};
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static struct ccu_reset sun6i_apb0_resets[] = {
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[0] = RESET(0x0b0, BIT(0)),
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[1] = RESET(0x0b0, BIT(1)),
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[2] = RESET(0x0b0, BIT(2)),
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[3] = RESET(0x0b0, BIT(3)),
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[4] = RESET(0x0b0, BIT(4)),
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[5] = RESET(0x0b0, BIT(5)),
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[6] = RESET(0x0b0, BIT(6)),
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[7] = RESET(0x0b0, BIT(7)),
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};
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const struct ccu_desc sun6i_apb0_clk_desc = {
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.gates = sun6i_apb0_gates,
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.resets = sun6i_apb0_resets,
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.num_gates = ARRAY_SIZE(sun6i_apb0_gates),
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.num_resets = ARRAY_SIZE(sun6i_apb0_resets),
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};
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static int sun6i_apb0_of_to_plat(struct udevice *dev)
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{
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struct ccu_plat *plat = dev_get_plat(dev);
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plat->base = dev_read_addr_ptr(dev->parent);
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if (!plat->base)
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return -ENOMEM;
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plat->desc = (const struct ccu_desc *)dev_get_driver_data(dev);
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if (!plat->desc)
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return -EINVAL;
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return 0;
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}
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static const struct udevice_id sun6i_apb0_clk_ids[] = {
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{ .compatible = "allwinner,sun6i-a31-apb0-gates-clk",
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.data = (ulong)&sun6i_apb0_clk_desc },
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{ .compatible = "allwinner,sun8i-a23-apb0-gates-clk",
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.data = (ulong)&sun6i_apb0_clk_desc },
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{ }
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};
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U_BOOT_DRIVER(sun6i_apb0_clk) = {
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.name = "sun6i_apb0_clk",
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.id = UCLASS_CLK,
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.of_match = sun6i_apb0_clk_ids,
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.of_to_plat = sun6i_apb0_of_to_plat,
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.plat_auto = sizeof(struct ccu_plat),
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.ops = &sunxi_clk_ops,
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};
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static const struct udevice_id sun6i_apb0_reset_ids[] = {
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{ .compatible = "allwinner,sun6i-a31-clock-reset",
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.data = (ulong)&sun6i_apb0_clk_desc },
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{ }
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};
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U_BOOT_DRIVER(sun6i_apb0_reset) = {
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.name = "sun6i_apb0_reset",
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.id = UCLASS_RESET,
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.of_match = sun6i_apb0_reset_ids,
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.of_to_plat = sun6i_apb0_of_to_plat,
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.plat_auto = sizeof(struct ccu_plat),
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.ops = &sunxi_reset_ops,
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};
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static const struct udevice_id sun6i_prcm_mfd_ids[] = {
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{ .compatible = "allwinner,sun6i-a31-prcm" },
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{ .compatible = "allwinner,sun8i-a23-prcm" },
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{ }
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};
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U_BOOT_DRIVER(sun6i_prcm_mfd) = {
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.name = "sun6i_prcm_mfd",
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.id = UCLASS_SIMPLE_BUS,
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.of_match = sun6i_prcm_mfd_ids,
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};
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