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- // 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/sun6i-a31-ccu.h>
- #include <dt-bindings/reset/sun6i-a31-ccu.h>
- #include <linux/bitops.h>
- static struct ccu_clk_gate a31_gates[] = {
- [CLK_AHB1_MMC0] = GATE(0x060, BIT(8)),
- [CLK_AHB1_MMC1] = GATE(0x060, BIT(9)),
- [CLK_AHB1_MMC2] = GATE(0x060, BIT(10)),
- [CLK_AHB1_MMC3] = GATE(0x060, BIT(11)),
- [CLK_AHB1_EMAC] = GATE(0x060, BIT(17)),
- [CLK_AHB1_SPI0] = GATE(0x060, BIT(20)),
- [CLK_AHB1_SPI1] = GATE(0x060, BIT(21)),
- [CLK_AHB1_SPI2] = GATE(0x060, BIT(22)),
- [CLK_AHB1_SPI3] = GATE(0x060, BIT(23)),
- [CLK_AHB1_OTG] = GATE(0x060, BIT(24)),
- [CLK_AHB1_EHCI0] = GATE(0x060, BIT(26)),
- [CLK_AHB1_EHCI1] = GATE(0x060, BIT(27)),
- [CLK_AHB1_OHCI0] = GATE(0x060, BIT(29)),
- [CLK_AHB1_OHCI1] = GATE(0x060, BIT(30)),
- [CLK_AHB1_OHCI2] = GATE(0x060, BIT(31)),
- [CLK_APB2_UART0] = GATE(0x06c, BIT(16)),
- [CLK_APB2_UART1] = GATE(0x06c, BIT(17)),
- [CLK_APB2_UART2] = GATE(0x06c, BIT(18)),
- [CLK_APB2_UART3] = GATE(0x06c, BIT(19)),
- [CLK_APB2_UART4] = GATE(0x06c, BIT(20)),
- [CLK_APB2_UART5] = GATE(0x06c, BIT(21)),
- [CLK_SPI0] = GATE(0x0a0, BIT(31)),
- [CLK_SPI1] = GATE(0x0a4, BIT(31)),
- [CLK_SPI2] = GATE(0x0a8, BIT(31)),
- [CLK_SPI3] = GATE(0x0ac, BIT(31)),
- [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
- [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
- [CLK_USB_PHY2] = GATE(0x0cc, BIT(10)),
- [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)),
- [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)),
- [CLK_USB_OHCI2] = GATE(0x0cc, BIT(18)),
- };
- static struct ccu_reset a31_resets[] = {
- [RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
- [RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
- [RST_USB_PHY2] = RESET(0x0cc, BIT(2)),
- [RST_AHB1_MMC0] = RESET(0x2c0, BIT(8)),
- [RST_AHB1_MMC1] = RESET(0x2c0, BIT(9)),
- [RST_AHB1_MMC2] = RESET(0x2c0, BIT(10)),
- [RST_AHB1_MMC3] = RESET(0x2c0, BIT(11)),
- [RST_AHB1_EMAC] = RESET(0x2c0, BIT(17)),
- [RST_AHB1_SPI0] = RESET(0x2c0, BIT(20)),
- [RST_AHB1_SPI1] = RESET(0x2c0, BIT(21)),
- [RST_AHB1_SPI2] = RESET(0x2c0, BIT(22)),
- [RST_AHB1_SPI3] = RESET(0x2c0, BIT(23)),
- [RST_AHB1_OTG] = RESET(0x2c0, BIT(24)),
- [RST_AHB1_EHCI0] = RESET(0x2c0, BIT(26)),
- [RST_AHB1_EHCI1] = RESET(0x2c0, BIT(27)),
- [RST_AHB1_OHCI0] = RESET(0x2c0, BIT(29)),
- [RST_AHB1_OHCI1] = RESET(0x2c0, BIT(30)),
- [RST_AHB1_OHCI2] = RESET(0x2c0, BIT(31)),
- [RST_APB2_UART0] = RESET(0x2d8, BIT(16)),
- [RST_APB2_UART1] = RESET(0x2d8, BIT(17)),
- [RST_APB2_UART2] = RESET(0x2d8, BIT(18)),
- [RST_APB2_UART3] = RESET(0x2d8, BIT(19)),
- [RST_APB2_UART4] = RESET(0x2d8, BIT(20)),
- [RST_APB2_UART5] = RESET(0x2d8, BIT(21)),
- };
- static const struct ccu_desc a31_ccu_desc = {
- .gates = a31_gates,
- .resets = a31_resets,
- };
- static int a31_clk_bind(struct udevice *dev)
- {
- return sunxi_reset_bind(dev, ARRAY_SIZE(a31_resets));
- }
- static const struct udevice_id a31_clk_ids[] = {
- { .compatible = "allwinner,sun6i-a31-ccu",
- .data = (ulong)&a31_ccu_desc },
- { }
- };
- U_BOOT_DRIVER(clk_sun6i_a31) = {
- .name = "sun6i_a31_ccu",
- .id = UCLASS_CLK,
- .of_match = a31_clk_ids,
- .priv_auto = sizeof(struct ccu_priv),
- .ops = &sunxi_clk_ops,
- .probe = sunxi_clk_probe,
- .bind = a31_clk_bind,
- };
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