mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 00:56:49 +07:00
8f39bd1553
The change moves some of peripheral registrations and initializations (all peripherals dependent on GPIOs) from .init_machine to .init_late level, this allows to safely shift the shared GPIO controller driver initialization level after init level of i.MX IOMUXC driver. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
323 lines
8.8 KiB
C
323 lines
8.8 KiB
C
/*
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* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
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* Copyright 2010 Creative Product Design
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*
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* Derived from mx35 3stack.
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* Original author: Fabio Estevam <fabio.estevam@freescale.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/memory.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <linux/i2c.h>
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#include <linux/platform_data/at24.h>
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#include <linux/mfd/mc13xxx.h>
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#include "common.h"
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#include "devices-imx35.h"
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#include "ehci.h"
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#include "hardware.h"
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#include "iomux-mx35.h"
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#define GPIO_LCDPWR IMX_GPIO_NR(1, 2)
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#define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
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#define GPIO_BUTTON1 IMX_GPIO_NR(1, 4)
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#define GPIO_BUTTON2 IMX_GPIO_NR(1, 5)
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#define GPIO_BUTTON3 IMX_GPIO_NR(1, 7)
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#define GPIO_BUTTON4 IMX_GPIO_NR(1, 8)
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#define GPIO_BUTTON5 IMX_GPIO_NR(1, 9)
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#define GPIO_BUTTON6 IMX_GPIO_NR(1, 10)
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#define GPIO_BUTTON7 IMX_GPIO_NR(1, 11)
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#define GPIO_BUTTON8 IMX_GPIO_NR(1, 12)
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static const struct fb_videomode fb_modedb[] = {
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{
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/* 800x480 @ 60 Hz */
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.name = "PT0708048",
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.refresh = 60,
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.xres = 800,
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.yres = 480,
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.pixclock = KHZ2PICOS(33260),
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.left_margin = 50,
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.right_margin = 156,
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.upper_margin = 10,
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.lower_margin = 10,
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.hsync_len = 1, /* note: DE only display */
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.vsync_len = 1, /* note: DE only display */
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.sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
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.vmode = FB_VMODE_NONINTERLACED,
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.flag = 0,
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}, {
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/* 800x480 @ 60 Hz */
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.name = "CTP-CLAA070LC0ACW",
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.refresh = 60,
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.xres = 800,
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.yres = 480,
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.pixclock = KHZ2PICOS(27000),
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.left_margin = 50,
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.right_margin = 50, /* whole line should have 900 clocks */
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.upper_margin = 10,
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.lower_margin = 10, /* whole frame should have 500 lines */
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.hsync_len = 1, /* note: DE only display */
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.vsync_len = 1, /* note: DE only display */
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.sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
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.vmode = FB_VMODE_NONINTERLACED,
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.flag = 0,
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}
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};
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static struct mx3fb_platform_data mx3fb_pdata __initdata = {
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.name = "PT0708048",
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.mode = fb_modedb,
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.num_modes = ARRAY_SIZE(fb_modedb),
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};
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static struct physmap_flash_data vpr200_flash_data = {
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.width = 2,
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};
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static struct resource vpr200_flash_resource = {
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.start = MX35_CS0_BASE_ADDR,
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.end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device vpr200_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &vpr200_flash_data,
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},
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.resource = &vpr200_flash_resource,
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.num_resources = 1,
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};
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static const struct mxc_nand_platform_data
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vpr200_nand_board_info __initconst = {
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.width = 1,
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.hw_ecc = 1,
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.flash_bbt = 1,
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};
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#define VPR_KEY_DEBOUNCE 500
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static struct gpio_keys_button vpr200_gpio_keys_table[] = {
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{KEY_F2, GPIO_BUTTON1, 1, "vpr-keys: F2", 0, VPR_KEY_DEBOUNCE},
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{KEY_F3, GPIO_BUTTON2, 1, "vpr-keys: F3", 0, VPR_KEY_DEBOUNCE},
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{KEY_F4, GPIO_BUTTON3, 1, "vpr-keys: F4", 0, VPR_KEY_DEBOUNCE},
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{KEY_F5, GPIO_BUTTON4, 1, "vpr-keys: F5", 0, VPR_KEY_DEBOUNCE},
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{KEY_F6, GPIO_BUTTON5, 1, "vpr-keys: F6", 0, VPR_KEY_DEBOUNCE},
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{KEY_F7, GPIO_BUTTON6, 1, "vpr-keys: F7", 0, VPR_KEY_DEBOUNCE},
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{KEY_F8, GPIO_BUTTON7, 1, "vpr-keys: F8", 1, VPR_KEY_DEBOUNCE},
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{KEY_F9, GPIO_BUTTON8, 1, "vpr-keys: F9", 1, VPR_KEY_DEBOUNCE},
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};
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static const struct gpio_keys_platform_data
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vpr200_gpio_keys_data __initconst = {
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.buttons = vpr200_gpio_keys_table,
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.nbuttons = ARRAY_SIZE(vpr200_gpio_keys_table),
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};
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static struct mc13xxx_platform_data vpr200_pmic = {
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.flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
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};
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static const struct imxi2c_platform_data vpr200_i2c0_data __initconst = {
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.bitrate = 50000,
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};
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static struct at24_platform_data vpr200_eeprom = {
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.byte_len = 2048 / 8,
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.page_size = 1,
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};
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static struct i2c_board_info vpr200_i2c_devices[] = {
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{
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I2C_BOARD_INFO("at24", 0x50), /* E0=0, E1=0, E2=0 */
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.platform_data = &vpr200_eeprom,
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}, {
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I2C_BOARD_INFO("mc13892", 0x08),
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.platform_data = &vpr200_pmic,
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/* irq number is run-time assigned */
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}
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};
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static const iomux_v3_cfg_t vpr200_pads[] __initconst = {
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/* UART1 */
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MX35_PAD_TXD1__UART1_TXD_MUX,
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MX35_PAD_RXD1__UART1_RXD_MUX,
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/* UART3 */
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MX35_PAD_ATA_DATA10__UART3_RXD_MUX,
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MX35_PAD_ATA_DATA11__UART3_TXD_MUX,
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/* FEC */
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MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
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MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
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MX35_PAD_FEC_RX_DV__FEC_RX_DV,
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MX35_PAD_FEC_COL__FEC_COL,
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MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
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MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
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MX35_PAD_FEC_TX_EN__FEC_TX_EN,
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MX35_PAD_FEC_MDC__FEC_MDC,
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MX35_PAD_FEC_MDIO__FEC_MDIO,
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MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
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MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
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MX35_PAD_FEC_CRS__FEC_CRS,
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MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
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MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
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MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
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MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
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MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
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MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
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/* Display */
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MX35_PAD_LD0__IPU_DISPB_DAT_0,
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MX35_PAD_LD1__IPU_DISPB_DAT_1,
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MX35_PAD_LD2__IPU_DISPB_DAT_2,
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MX35_PAD_LD3__IPU_DISPB_DAT_3,
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MX35_PAD_LD4__IPU_DISPB_DAT_4,
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MX35_PAD_LD5__IPU_DISPB_DAT_5,
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MX35_PAD_LD6__IPU_DISPB_DAT_6,
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MX35_PAD_LD7__IPU_DISPB_DAT_7,
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MX35_PAD_LD8__IPU_DISPB_DAT_8,
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MX35_PAD_LD9__IPU_DISPB_DAT_9,
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MX35_PAD_LD10__IPU_DISPB_DAT_10,
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MX35_PAD_LD11__IPU_DISPB_DAT_11,
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MX35_PAD_LD12__IPU_DISPB_DAT_12,
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MX35_PAD_LD13__IPU_DISPB_DAT_13,
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MX35_PAD_LD14__IPU_DISPB_DAT_14,
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MX35_PAD_LD15__IPU_DISPB_DAT_15,
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MX35_PAD_LD16__IPU_DISPB_DAT_16,
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MX35_PAD_LD17__IPU_DISPB_DAT_17,
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MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
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MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
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MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
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/* LCD Enable */
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MX35_PAD_D3_VSYNC__GPIO1_2,
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/* USBOTG */
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MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
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MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
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/* SDCARD */
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MX35_PAD_SD1_CMD__ESDHC1_CMD,
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MX35_PAD_SD1_CLK__ESDHC1_CLK,
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MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
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MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
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MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
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MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
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/* PMIC */
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MX35_PAD_GPIO2_0__GPIO2_0,
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/* GPIO keys */
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MX35_PAD_SCKR__GPIO1_4,
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MX35_PAD_COMPARE__GPIO1_5,
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MX35_PAD_SCKT__GPIO1_7,
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MX35_PAD_FST__GPIO1_8,
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MX35_PAD_HCKT__GPIO1_9,
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MX35_PAD_TX5_RX0__GPIO1_10,
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MX35_PAD_TX4_RX1__GPIO1_11,
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MX35_PAD_TX3_RX2__GPIO1_12,
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};
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/* USB Device config */
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static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_UTMI,
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.workaround = FLS_USB2_WORKAROUND_ENGCM09152,
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};
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static int vpr200_usbh_init(struct platform_device *pdev)
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{
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return mx35_initialize_usb_hw(pdev->id,
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MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY);
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}
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/* USB HOST config */
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static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
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.init = vpr200_usbh_init,
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.portsc = MXC_EHCI_MODE_SERIAL,
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};
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static struct platform_device *devices[] __initdata = {
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&vpr200_flash,
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};
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/*
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* Board specific initialization.
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*/
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static void __init vpr200_board_init(void)
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{
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imx35_soc_init();
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mxc_iomux_v3_setup_multiple_pads(vpr200_pads, ARRAY_SIZE(vpr200_pads));
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imx35_add_fec(NULL);
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imx35_add_imx2_wdt();
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imx35_add_imx_uart0(NULL);
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imx35_add_imx_uart2(NULL);
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imx35_add_ipu_core();
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imx35_add_mx3_sdc_fb(&mx3fb_pdata);
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imx35_add_fsl_usb2_udc(&otg_device_pdata);
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imx35_add_mxc_ehci_hs(&usb_host_pdata);
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imx35_add_mxc_nand(&vpr200_nand_board_info);
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imx35_add_sdhci_esdhc_imx(0, NULL);
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}
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static void __init vpr200_late_init(void)
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{
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imx_add_gpio_keys(&vpr200_gpio_keys_data);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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if (0 != gpio_request(GPIO_LCDPWR, "LCDPWR"))
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printk(KERN_WARNING "vpr200: Couldn't get LCDPWR gpio\n");
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else
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gpio_direction_output(GPIO_LCDPWR, 0);
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if (0 != gpio_request(GPIO_PMIC_INT, "PMIC_INT"))
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printk(KERN_WARNING "vpr200: Couldn't get PMIC_INT gpio\n");
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else
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gpio_direction_input(GPIO_PMIC_INT);
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vpr200_i2c_devices[1].irq = gpio_to_irq(GPIO_PMIC_INT);
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i2c_register_board_info(0, vpr200_i2c_devices,
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ARRAY_SIZE(vpr200_i2c_devices));
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imx35_add_imx_i2c0(&vpr200_i2c0_data);
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}
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static void __init vpr200_timer_init(void)
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{
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mx35_clocks_init();
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}
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MACHINE_START(VPR200, "VPR200")
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/* Maintainer: Creative Product Design */
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.map_io = mx35_map_io,
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.init_early = imx35_init_early,
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.init_irq = mx35_init_irq,
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.init_time = vpr200_timer_init,
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.init_machine = vpr200_board_init,
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.init_late = vpr200_late_init,
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.restart = mxc_restart,
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MACHINE_END
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