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https://github.com/AsahiLinux/u-boot
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41575d8e4c
This construct is quite long-winded. In earlier days it made some sense since auto-allocation was a strange concept. But with driver model now used pretty universally, we can shorten this to 'auto'. This reduces verbosity and makes it easier to read. Coincidentally it also ensures that every declaration is on one line, thus making dtoc's job easier. Signed-off-by: Simon Glass <sjg@chromium.org>
72 lines
1.8 KiB
C
72 lines
1.8 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/sun8i-v3s-ccu.h>
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#include <dt-bindings/reset/sun8i-v3s-ccu.h>
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#include <linux/bitops.h>
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static struct ccu_clk_gate v3s_gates[] = {
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[CLK_BUS_MMC0] = GATE(0x060, BIT(8)),
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[CLK_BUS_MMC1] = GATE(0x060, BIT(9)),
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[CLK_BUS_MMC2] = GATE(0x060, BIT(10)),
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[CLK_BUS_SPI0] = GATE(0x060, BIT(20)),
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[CLK_BUS_OTG] = GATE(0x060, BIT(24)),
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[CLK_BUS_UART0] = GATE(0x06c, BIT(16)),
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[CLK_BUS_UART1] = GATE(0x06c, BIT(17)),
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[CLK_BUS_UART2] = GATE(0x06c, BIT(18)),
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[CLK_SPI0] = GATE(0x0a0, BIT(31)),
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[CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
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};
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static struct ccu_reset v3s_resets[] = {
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[RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
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[RST_BUS_MMC0] = RESET(0x2c0, BIT(8)),
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[RST_BUS_MMC1] = RESET(0x2c0, BIT(9)),
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[RST_BUS_MMC2] = RESET(0x2c0, BIT(10)),
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[RST_BUS_SPI0] = RESET(0x2c0, BIT(20)),
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[RST_BUS_OTG] = RESET(0x2c0, BIT(24)),
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[RST_BUS_UART0] = RESET(0x2d8, BIT(16)),
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[RST_BUS_UART1] = RESET(0x2d8, BIT(17)),
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[RST_BUS_UART2] = RESET(0x2d8, BIT(18)),
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};
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static const struct ccu_desc v3s_ccu_desc = {
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.gates = v3s_gates,
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.resets = v3s_resets,
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};
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static int v3s_clk_bind(struct udevice *dev)
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{
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return sunxi_reset_bind(dev, ARRAY_SIZE(v3s_resets));
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}
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static const struct udevice_id v3s_clk_ids[] = {
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{ .compatible = "allwinner,sun8i-v3s-ccu",
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.data = (ulong)&v3s_ccu_desc },
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{ .compatible = "allwinner,sun8i-v3-ccu",
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.data = (ulong)&v3s_ccu_desc },
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{ }
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};
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U_BOOT_DRIVER(clk_sun8i_v3s) = {
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.name = "sun8i_v3s_ccu",
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.id = UCLASS_CLK,
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.of_match = v3s_clk_ids,
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.priv_auto = 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 = v3s_clk_bind,
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};
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