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|
// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Parts of this file are based on Ralink's 2.6.21 BSP
*
* Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
* Copyright (C) 2013 John Crispin <john@phrozen.org>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/bug.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
#include <asm/mach-ralink/mt7620.h>
#include <asm/mach-ralink/pinmux.h>
#include "common.h"
/* analog */
#define PMU0_CFG 0x88
#define PMU_SW_SET BIT(28)
#define A_DCDC_EN BIT(24)
#define A_SSC_PERI BIT(19)
#define A_SSC_GEN BIT(18)
#define A_SSC_M 0x3
#define A_SSC_S 16
#define A_DLY_M 0x7
#define A_DLY_S 8
#define A_VTUNE_M 0xff
/* digital */
#define PMU1_CFG 0x8C
#define DIG_SW_SEL BIT(25)
/* clock scaling */
#define CLKCFG_FDIV_MASK 0x1f00
#define CLKCFG_FDIV_USB_VAL 0x0300
#define CLKCFG_FFRAC_MASK 0x001f
#define CLKCFG_FFRAC_USB_VAL 0x0003
/* EFUSE bits */
#define EFUSE_MT7688 0x100000
/* DRAM type bit */
#define DRAM_TYPE_MT7628_MASK 0x1
/* does the board have sdram or ddram */
static int dram_type;
static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) };
static struct rt2880_pmx_func mdio_grp[] = {
FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2),
FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2),
};
static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) };
static struct rt2880_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) };
static struct rt2880_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) };
static struct rt2880_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 60, 12) };
static struct rt2880_pmx_func wled_grp[] = { FUNC("wled", 0, 72, 1) };
static struct rt2880_pmx_func pa_grp[] = { FUNC("pa", 0, 18, 4) };
static struct rt2880_pmx_func uartf_grp[] = {
FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8),
FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8),
FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8),
FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8),
FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4),
FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4),
FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4),
};
static struct rt2880_pmx_func wdt_grp[] = {
FUNC("wdt rst", 0, 17, 1),
FUNC("wdt refclk", 0, 17, 1),
};
static struct rt2880_pmx_func pcie_rst_grp[] = {
FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1),
FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1)
};
static struct rt2880_pmx_func nd_sd_grp[] = {
FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15),
FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13)
};
static struct rt2880_pmx_group mt7620a_pinmux_data[] = {
GRP("i2c", i2c_grp, 1, MT7620_GPIO_MODE_I2C),
GRP("uartf", uartf_grp, MT7620_GPIO_MODE_UART0_MASK,
MT7620_GPIO_MODE_UART0_SHIFT),
GRP("spi", spi_grp, 1, MT7620_GPIO_MODE_SPI),
GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1),
GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK,
MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT),
GRP_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK,
MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT),
GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1),
GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK),
GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK,
MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT),
GRP_G("nd_sd", nd_sd_grp, MT7620_GPIO_MODE_ND_SD_MASK,
MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT),
GRP("rgmii2", rgmii2_grp, 1, MT7620_GPIO_MODE_RGMII2),
GRP("wled", wled_grp, 1, MT7620_GPIO_MODE_WLED),
GRP("ephy", ephy_grp, 1, MT7620_GPIO_MODE_EPHY),
GRP("pa", pa_grp, 1, MT7620_GPIO_MODE_PA),
{ 0 }
};
static struct rt2880_pmx_func pwm1_grp_mt7628[] = {
FUNC("sdxc d6", 3, 19, 1),
FUNC("utif", 2, 19, 1),
FUNC("gpio", 1, 19, 1),
FUNC("pwm1", 0, 19, 1),
};
static struct rt2880_pmx_func pwm0_grp_mt7628[] = {
FUNC("sdxc d7", 3, 18, 1),
FUNC("utif", 2, 18, 1),
FUNC("gpio", 1, 18, 1),
FUNC("pwm0", 0, 18, 1),
};
static struct rt2880_pmx_func uart2_grp_mt7628[] = {
FUNC("sdxc d5 d4", 3, 20, 2),
FUNC("pwm", 2, 20, 2),
FUNC("gpio", 1, 20, 2),
FUNC("uart2", 0, 20, 2),
};
static struct rt2880_pmx_func uart1_grp_mt7628[] = {
FUNC("sw_r", 3, 45, 2),
FUNC("pwm", 2, 45, 2),
FUNC("gpio", 1, 45, 2),
FUNC("uart1", 0, 45, 2),
};
static struct rt2880_pmx_func i2c_grp_mt7628[] = {
FUNC("-", 3, 4, 2),
FUNC("debug", 2, 4, 2),
FUNC("gpio", 1, 4, 2),
FUNC("i2c", 0, 4, 2),
};
static struct rt2880_pmx_func refclk_grp_mt7628[] =
|