xref: /openbmc/u-boot/drivers/clk/sunxi/clk_r40.c (revision 8606f960d4e40f1fbd7fb7e1be30c924dbb9dba0)
178eb2a41SJagan Teki // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
278eb2a41SJagan Teki /*
378eb2a41SJagan Teki  * Copyright (C) 2018 Amarula Solutions.
478eb2a41SJagan Teki  * Author: Jagan Teki <jagan@amarulasolutions.com>
578eb2a41SJagan Teki  */
678eb2a41SJagan Teki 
778eb2a41SJagan Teki #include <common.h>
878eb2a41SJagan Teki #include <clk-uclass.h>
978eb2a41SJagan Teki #include <dm.h>
1078eb2a41SJagan Teki #include <errno.h>
1178eb2a41SJagan Teki #include <asm/arch/ccu.h>
1278eb2a41SJagan Teki #include <dt-bindings/clock/sun8i-r40-ccu.h>
1378eb2a41SJagan Teki #include <dt-bindings/reset/sun8i-r40-ccu.h>
1478eb2a41SJagan Teki 
1578eb2a41SJagan Teki static struct ccu_clk_gate r40_gates[] = {
1678eb2a41SJagan Teki 	[CLK_BUS_OTG]		= GATE(0x060, BIT(25)),
1778eb2a41SJagan Teki 	[CLK_BUS_EHCI0]		= GATE(0x060, BIT(26)),
1878eb2a41SJagan Teki 	[CLK_BUS_EHCI1]		= GATE(0x060, BIT(27)),
1978eb2a41SJagan Teki 	[CLK_BUS_EHCI2]		= GATE(0x060, BIT(28)),
2078eb2a41SJagan Teki 	[CLK_BUS_OHCI0]		= GATE(0x060, BIT(29)),
2178eb2a41SJagan Teki 	[CLK_BUS_OHCI1]		= GATE(0x060, BIT(30)),
2278eb2a41SJagan Teki 	[CLK_BUS_OHCI2]		= GATE(0x060, BIT(31)),
2378eb2a41SJagan Teki 
244acc7119SJagan Teki 	[CLK_BUS_UART0]		= GATE(0x06c, BIT(16)),
254acc7119SJagan Teki 	[CLK_BUS_UART1]		= GATE(0x06c, BIT(17)),
264acc7119SJagan Teki 	[CLK_BUS_UART2]		= GATE(0x06c, BIT(18)),
274acc7119SJagan Teki 	[CLK_BUS_UART3]		= GATE(0x06c, BIT(19)),
284acc7119SJagan Teki 	[CLK_BUS_UART4]		= GATE(0x06c, BIT(20)),
294acc7119SJagan Teki 	[CLK_BUS_UART5]		= GATE(0x06c, BIT(21)),
304acc7119SJagan Teki 	[CLK_BUS_UART6]		= GATE(0x06c, BIT(22)),
314acc7119SJagan Teki 	[CLK_BUS_UART7]		= GATE(0x06c, BIT(23)),
324acc7119SJagan Teki 
3378eb2a41SJagan Teki 	[CLK_USB_PHY0]		= GATE(0x0cc, BIT(8)),
3478eb2a41SJagan Teki 	[CLK_USB_PHY1]		= GATE(0x0cc, BIT(9)),
3578eb2a41SJagan Teki 	[CLK_USB_PHY2]		= GATE(0x0cc, BIT(10)),
3678eb2a41SJagan Teki 	[CLK_USB_OHCI0]		= GATE(0x0cc, BIT(16)),
3778eb2a41SJagan Teki 	[CLK_USB_OHCI1]		= GATE(0x0cc, BIT(17)),
3878eb2a41SJagan Teki 	[CLK_USB_OHCI2]		= GATE(0x0cc, BIT(18)),
3978eb2a41SJagan Teki };
4078eb2a41SJagan Teki 
4178eb2a41SJagan Teki static struct ccu_reset r40_resets[] = {
4278eb2a41SJagan Teki 	[RST_USB_PHY0]		= RESET(0x0cc, BIT(0)),
4378eb2a41SJagan Teki 	[RST_USB_PHY1]		= RESET(0x0cc, BIT(1)),
4478eb2a41SJagan Teki 	[RST_USB_PHY2]		= RESET(0x0cc, BIT(2)),
4578eb2a41SJagan Teki 
4678eb2a41SJagan Teki 	[RST_BUS_OTG]		= RESET(0x2c0, BIT(25)),
4778eb2a41SJagan Teki 	[RST_BUS_EHCI0]		= RESET(0x2c0, BIT(26)),
4878eb2a41SJagan Teki 	[RST_BUS_EHCI1]		= RESET(0x2c0, BIT(27)),
4978eb2a41SJagan Teki 	[RST_BUS_EHCI2]		= RESET(0x2c0, BIT(28)),
5078eb2a41SJagan Teki 	[RST_BUS_OHCI0]		= RESET(0x2c0, BIT(29)),
5178eb2a41SJagan Teki 	[RST_BUS_OHCI1]		= RESET(0x2c0, BIT(30)),
5278eb2a41SJagan Teki 	[RST_BUS_OHCI2]		= RESET(0x2c0, BIT(31)),
53*8606f960SJagan Teki 
54*8606f960SJagan Teki 	[RST_BUS_UART0]		= RESET(0x2d8, BIT(16)),
55*8606f960SJagan Teki 	[RST_BUS_UART1]		= RESET(0x2d8, BIT(17)),
56*8606f960SJagan Teki 	[RST_BUS_UART2]		= RESET(0x2d8, BIT(18)),
57*8606f960SJagan Teki 	[RST_BUS_UART3]		= RESET(0x2d8, BIT(19)),
58*8606f960SJagan Teki 	[RST_BUS_UART4]		= RESET(0x2d8, BIT(20)),
59*8606f960SJagan Teki 	[RST_BUS_UART5]		= RESET(0x2d8, BIT(21)),
60*8606f960SJagan Teki 	[RST_BUS_UART6]		= RESET(0x2d8, BIT(22)),
61*8606f960SJagan Teki 	[RST_BUS_UART7]		= RESET(0x2d8, BIT(23)),
6278eb2a41SJagan Teki };
6378eb2a41SJagan Teki 
6478eb2a41SJagan Teki static const struct ccu_desc r40_ccu_desc = {
6578eb2a41SJagan Teki 	.gates = r40_gates,
6678eb2a41SJagan Teki 	.resets = r40_resets,
6778eb2a41SJagan Teki };
6878eb2a41SJagan Teki 
6978eb2a41SJagan Teki static int r40_clk_bind(struct udevice *dev)
7078eb2a41SJagan Teki {
7178eb2a41SJagan Teki 	return sunxi_reset_bind(dev, ARRAY_SIZE(r40_resets));
7278eb2a41SJagan Teki }
7378eb2a41SJagan Teki 
7478eb2a41SJagan Teki static const struct udevice_id r40_clk_ids[] = {
7578eb2a41SJagan Teki 	{ .compatible = "allwinner,sun8i-r40-ccu",
7678eb2a41SJagan Teki 	  .data = (ulong)&r40_ccu_desc },
7778eb2a41SJagan Teki 	{ }
7878eb2a41SJagan Teki };
7978eb2a41SJagan Teki 
8078eb2a41SJagan Teki U_BOOT_DRIVER(clk_sun8i_r40) = {
8178eb2a41SJagan Teki 	.name		= "sun8i_r40_ccu",
8278eb2a41SJagan Teki 	.id		= UCLASS_CLK,
8378eb2a41SJagan Teki 	.of_match	= r40_clk_ids,
8478eb2a41SJagan Teki 	.priv_auto_alloc_size	= sizeof(struct ccu_priv),
8578eb2a41SJagan Teki 	.ops		= &sunxi_clk_ops,
8678eb2a41SJagan Teki 	.probe		= sunxi_clk_probe,
8778eb2a41SJagan Teki 	.bind		= r40_clk_bind,
8878eb2a41SJagan Teki };
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