drivers/clk/sunxi/clk_a10s.c

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (C) 2018 Amarula Solutions.
   4  * Author: Jagan Teki <jagan@amarulasolutions.com>
   5  */
   6
   7 #include <common.h>
   8 #include <clk-uclass.h>
   9 #include <dm.h>
  10 #include <errno.h>
  11 #include <asm/arch/ccu.h>
  12 #include <dt-bindings/clock/sun5i-ccu.h>
  13 #include <dt-bindings/reset/sun5i-ccu.h>
  14
  15 static struct ccu_clk_gate a10s_gates[] = {
  16         [CLK_AHB_OTG]           = GATE(0x060, BIT(0)),
  17         [CLK_AHB_EHCI]          = GATE(0x060, BIT(1)),
  18         [CLK_AHB_OHCI]          = GATE(0x060, BIT(2)),
  19
  20         [CLK_APB1_UART0]        = GATE(0x06c, BIT(16)),
  21         [CLK_APB1_UART1]        = GATE(0x06c, BIT(17)),
  22         [CLK_APB1_UART2]        = GATE(0x06c, BIT(18)),
  23         [CLK_APB1_UART3]        = GATE(0x06c, BIT(19)),
  24
  25         [CLK_USB_OHCI]          = GATE(0x0cc, BIT(6)),
  26         [CLK_USB_PHY0]          = GATE(0x0cc, BIT(8)),
  27         [CLK_USB_PHY1]          = GATE(0x0cc, BIT(9)),
  28 };
  29
  30 static struct ccu_reset a10s_resets[] = {
  31         [RST_USB_PHY0]          = RESET(0x0cc, BIT(0)),
  32         [RST_USB_PHY1]          = RESET(0x0cc, BIT(1)),
  33 };
  34
  35 static const struct ccu_desc a10s_ccu_desc = {
  36         .gates = a10s_gates,
  37         .resets = a10s_resets,
  38 };
  39
  40 static int a10s_clk_bind(struct udevice *dev)
  41 {
  42         return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
  43 }
  44
  45 static const struct udevice_id a10s_ccu_ids[] = {
  46         { .compatible = "allwinner,sun5i-a10s-ccu",
  47           .data = (ulong)&a10s_ccu_desc },
  48         { .compatible = "allwinner,sun5i-a13-ccu",
  49           .data = (ulong)&a10s_ccu_desc },
  50         { }
  51 };
  52
  53 U_BOOT_DRIVER(clk_sun5i_a10s) = {
  54         .name           = "sun5i_a10s_ccu",
  55         .id             = UCLASS_CLK,
  56         .of_match       = a10s_ccu_ids,
  57         .priv_auto_alloc_size   = sizeof(struct ccu_priv),
  58         .ops            = &sunxi_clk_ops,
  59         .probe          = sunxi_clk_probe,
  60         .bind           = a10s_clk_bind,
  61 };