drivers/clk/sunxi/clk_v3s.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 <clk/sunxi.h>
  12 #include <dt-bindings/clock/sun8i-v3s-ccu.h>
  13 #include <dt-bindings/reset/sun8i-v3s-ccu.h>
  14 #include <linux/bitops.h>
  15
  16 static struct ccu_clk_gate v3s_gates[] = {
  17         [CLK_BUS_MMC0]          = GATE(0x060, BIT(8)),
  18         [CLK_BUS_MMC1]          = GATE(0x060, BIT(9)),
  19         [CLK_BUS_MMC2]          = GATE(0x060, BIT(10)),
  20         [CLK_BUS_SPI0]          = GATE(0x060, BIT(20)),
  21         [CLK_BUS_OTG]           = GATE(0x060, BIT(24)),
  22
  23         [CLK_BUS_PIO]           = GATE(0x068, BIT(5)),
  24
  25         [CLK_BUS_I2C0]          = GATE(0x06c, BIT(0)),
  26         [CLK_BUS_I2C1]          = GATE(0x06c, BIT(1)),
  27         [CLK_BUS_UART0]         = GATE(0x06c, BIT(16)),
  28         [CLK_BUS_UART1]         = GATE(0x06c, BIT(17)),
  29         [CLK_BUS_UART2]         = GATE(0x06c, BIT(18)),
  30
  31         [CLK_SPI0]              = GATE(0x0a0, BIT(31)),
  32
  33         [CLK_USB_PHY0]          = GATE(0x0cc, BIT(8)),
  34 };
  35
  36 static struct ccu_reset v3s_resets[] = {
  37         [RST_USB_PHY0]          = RESET(0x0cc, BIT(0)),
  38
  39         [RST_BUS_MMC0]          = RESET(0x2c0, BIT(8)),
  40         [RST_BUS_MMC1]          = RESET(0x2c0, BIT(9)),
  41         [RST_BUS_MMC2]          = RESET(0x2c0, BIT(10)),
  42         [RST_BUS_SPI0]          = RESET(0x2c0, BIT(20)),
  43         [RST_BUS_OTG]           = RESET(0x2c0, BIT(24)),
  44
  45         [RST_BUS_I2C0]          = RESET(0x2d8, BIT(0)),
  46         [RST_BUS_I2C1]          = RESET(0x2d8, BIT(1)),
  47         [RST_BUS_UART0]         = RESET(0x2d8, BIT(16)),
  48         [RST_BUS_UART1]         = RESET(0x2d8, BIT(17)),
  49         [RST_BUS_UART2]         = RESET(0x2d8, BIT(18)),
  50 };
  51
  52 const struct ccu_desc v3s_ccu_desc = {
  53         .gates = v3s_gates,
  54         .resets = v3s_resets,
  55         .num_gates = ARRAY_SIZE(v3s_gates),
  56         .num_resets = ARRAY_SIZE(v3s_resets),
  57 };