korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-28 05:24:47 +08:00
Code Issues Packages Projects Releases Wiki Activity
34ed9506ae
linux/arch/arm/mach-ux500/board-mop500-pins.c
Shreshtha Kumar Sahu 1a7d4369b3 amba pl011: platform data for reg lockup and glitch v2 
This patch provides platform data for following
 - uart reset function to assist uart register lockup workaround

 - init/exit function to fix glitch in the tx pin in tty_open
	when tty port0 is opened a glitch is seen in the tx line
	of uart0. This happens in pl011_startup() when tx fifo
	interrupt is provoked into asserting.
	Now uart0 pins are enabled (alt function) only when init
	is complete and turned back to gpio when closed.

Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-06-16 12:01:58 -07:00

250 lines
6.6 KiB
C
Raw Blame History

/*
* Copyright (C) ST-Ericsson SA 2010
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <plat/pincfg.h>
#include <mach/hardware.h>
#include "pins-db8500.h"
static pin_cfg_t mop500_pins_common[] = {
/* I2C */
GPIO147_I2C0_SCL,
GPIO148_I2C0_SDA,
GPIO16_I2C1_SCL,
GPIO17_I2C1_SDA,
GPIO10_I2C2_SDA,
GPIO11_I2C2_SCL,
GPIO229_I2C3_SDA,
GPIO230_I2C3_SCL,
/* MSP0 */
GPIO12_MSP0_TXD,
GPIO13_MSP0_TFS,
GPIO14_MSP0_TCK,
GPIO15_MSP0_RXD,
/* MSP2: HDMI */
GPIO193_MSP2_TXD,
GPIO194_MSP2_TCK,
GPIO195_MSP2_TFS,
GPIO196_MSP2_RXD | PIN_OUTPUT_LOW,
/* Touch screen INTERFACE */
GPIO84_GPIO | PIN_INPUT_PULLUP, /* TOUCH_INT1 */
/* STMPE1601/tc35893 keypad IRQ */
GPIO218_GPIO | PIN_INPUT_PULLUP,
/* MMC0 (MicroSD card) */
GPIO18_MC0_CMDDIR | PIN_OUTPUT_HIGH,
GPIO19_MC0_DAT0DIR | PIN_OUTPUT_HIGH,
GPIO20_MC0_DAT2DIR | PIN_OUTPUT_HIGH,
GPIO22_MC0_FBCLK | PIN_INPUT_NOPULL,
GPIO23_MC0_CLK | PIN_OUTPUT_LOW,
GPIO24_MC0_CMD | PIN_INPUT_PULLUP,
GPIO25_MC0_DAT0 | PIN_INPUT_PULLUP,
GPIO26_MC0_DAT1 | PIN_INPUT_PULLUP,
GPIO27_MC0_DAT2 | PIN_INPUT_PULLUP,
GPIO28_MC0_DAT3 | PIN_INPUT_PULLUP,
/* SDI1 (SDIO) */
GPIO208_MC1_CLK | PIN_OUTPUT_LOW,
GPIO209_MC1_FBCLK | PIN_INPUT_NOPULL,
GPIO210_MC1_CMD | PIN_INPUT_PULLUP,
GPIO211_MC1_DAT0 | PIN_INPUT_PULLUP,
GPIO212_MC1_DAT1 | PIN_INPUT_PULLUP,
GPIO213_MC1_DAT2 | PIN_INPUT_PULLUP,
GPIO214_MC1_DAT3 | PIN_INPUT_PULLUP,
/* MMC2 (On-board DATA INTERFACE eMMC) */
GPIO128_MC2_CLK | PIN_OUTPUT_LOW,
GPIO129_MC2_CMD | PIN_INPUT_PULLUP,
GPIO130_MC2_FBCLK | PIN_INPUT_NOPULL,
GPIO131_MC2_DAT0 | PIN_INPUT_PULLUP,
GPIO132_MC2_DAT1 | PIN_INPUT_PULLUP,
GPIO133_MC2_DAT2 | PIN_INPUT_PULLUP,
GPIO134_MC2_DAT3 | PIN_INPUT_PULLUP,
GPIO135_MC2_DAT4 | PIN_INPUT_PULLUP,
GPIO136_MC2_DAT5 | PIN_INPUT_PULLUP,
GPIO137_MC2_DAT6 | PIN_INPUT_PULLUP,
GPIO138_MC2_DAT7 | PIN_INPUT_PULLUP,
/* MMC4 (On-board STORAGE INTERFACE eMMC) */
GPIO197_MC4_DAT3 | PIN_INPUT_PULLUP,
GPIO198_MC4_DAT2 | PIN_INPUT_PULLUP,
GPIO199_MC4_DAT1 | PIN_INPUT_PULLUP,
GPIO200_MC4_DAT0 | PIN_INPUT_PULLUP,
GPIO201_MC4_CMD | PIN_INPUT_PULLUP,
GPIO202_MC4_FBCLK | PIN_INPUT_NOPULL,
GPIO203_MC4_CLK | PIN_OUTPUT_LOW,
GPIO204_MC4_DAT7 | PIN_INPUT_PULLUP,
GPIO205_MC4_DAT6 | PIN_INPUT_PULLUP,
GPIO206_MC4_DAT5 | PIN_INPUT_PULLUP,
GPIO207_MC4_DAT4 | PIN_INPUT_PULLUP,
/* SKE keypad */
GPIO153_KP_I7,
GPIO154_KP_I6,
GPIO155_KP_I5,
GPIO156_KP_I4,
GPIO157_KP_O7,
GPIO158_KP_O6,
GPIO159_KP_O5,
GPIO160_KP_O4,
GPIO161_KP_I3,
GPIO162_KP_I2,
GPIO163_KP_I1,
GPIO164_KP_I0,
GPIO165_KP_O3,
GPIO166_KP_O2,
GPIO167_KP_O1,
GPIO168_KP_O0,
/* UART */
/* uart-0 pins gpio configuration should be
* kept intact to prevent glitch in tx line
* when tty dev is opened. Later these pins
* are configured to uart mop500_pins_uart0
*
* It will be replaced with uart configuration
* once the issue is solved.
*/
GPIO0_GPIO | PIN_INPUT_PULLUP,
GPIO1_GPIO | PIN_OUTPUT_HIGH,
GPIO2_GPIO | PIN_INPUT_PULLUP,
GPIO3_GPIO | PIN_OUTPUT_HIGH,
GPIO29_U2_RXD | PIN_INPUT_PULLUP,
GPIO30_U2_TXD | PIN_OUTPUT_HIGH,
GPIO31_U2_CTSn | PIN_INPUT_PULLUP,
GPIO32_U2_RTSn | PIN_OUTPUT_HIGH,
/* Display & HDMI HW sync */
GPIO68_LCD_VSI0 | PIN_INPUT_PULLUP,
GPIO69_LCD_VSI1 | PIN_INPUT_PULLUP,
};
static pin_cfg_t mop500_pins_default[] = {
/* SSP0 */
GPIO143_SSP0_CLK,
GPIO144_SSP0_FRM,
GPIO145_SSP0_RXD | PIN_PULL_DOWN,
GPIO146_SSP0_TXD,
GPIO217_GPIO | PIN_INPUT_PULLUP, /* TC35892 IRQ */
/* SDI0 (MicroSD card) */
GPIO21_MC0_DAT31DIR | PIN_OUTPUT_HIGH,
/* UART */
GPIO4_U1_RXD | PIN_INPUT_PULLUP,
GPIO5_U1_TXD | PIN_OUTPUT_HIGH,
GPIO6_U1_CTSn | PIN_INPUT_PULLUP,
GPIO7_U1_RTSn | PIN_OUTPUT_HIGH,
};
static pin_cfg_t mop500_pins_hrefv60[] = {
/* WLAN */
GPIO4_GPIO | PIN_INPUT_PULLUP,/* WLAN_IRQ */
GPIO85_GPIO | PIN_OUTPUT_LOW,/* WLAN_ENA */
/* XENON Flashgun INTERFACE */
GPIO6_IP_GPIO0 | PIN_INPUT_PULLUP,/* XENON_FLASH_ID */
GPIO7_IP_GPIO1 | PIN_INPUT_PULLUP,/* XENON_READY */
GPIO170_GPIO | PIN_OUTPUT_LOW, /* XENON_CHARGE */
/* Assistant LED INTERFACE */
GPIO21_GPIO | PIN_OUTPUT_LOW, /* XENON_EN1 */
GPIO64_IP_GPIO4 | PIN_OUTPUT_LOW, /* XENON_EN2 */
/* Magnetometer */
GPIO31_GPIO | PIN_INPUT_PULLUP, /* magnetometer_INT */
GPIO32_GPIO | PIN_INPUT_PULLDOWN, /* Magnetometer DRDY */
/* Display Interface */
GPIO65_GPIO | PIN_OUTPUT_LOW, /* DISP1 RST */
GPIO66_GPIO | PIN_OUTPUT_LOW, /* DISP2 RST */
/* Touch screen INTERFACE */
GPIO143_GPIO | PIN_OUTPUT_LOW,/*TOUCH_RST1 */
/* Touch screen INTERFACE 2 */
GPIO67_GPIO | PIN_INPUT_PULLUP, /* TOUCH_INT2 */
GPIO146_GPIO | PIN_OUTPUT_LOW,/*TOUCH_RST2 */
/* ETM_PTM_TRACE INTERFACE */
GPIO70_GPIO | PIN_OUTPUT_LOW,/* ETM_PTM_DATA23 */
GPIO71_GPIO | PIN_OUTPUT_LOW,/* ETM_PTM_DATA22 */
GPIO72_GPIO | PIN_OUTPUT_LOW,/* ETM_PTM_DATA21 */
GPIO73_GPIO | PIN_OUTPUT_LOW,/* ETM_PTM_DATA20 */
GPIO74_GPIO | PIN_OUTPUT_LOW,/* ETM_PTM_DATA19 */
/* NAHJ INTERFACE */
GPIO76_GPIO | PIN_OUTPUT_LOW,/* NAHJ_CTRL */
GPIO216_GPIO | PIN_OUTPUT_HIGH,/* NAHJ_CTRL_INV */
/* NFC INTERFACE */
GPIO77_GPIO | PIN_OUTPUT_LOW, /* NFC_ENA */
GPIO144_GPIO | PIN_INPUT_PULLDOWN, /* NFC_IRQ */
GPIO142_GPIO | PIN_OUTPUT_LOW, /* NFC_RESET */
/* Keyboard MATRIX INTERFACE */
GPIO90_MC5_CMD | PIN_OUTPUT_LOW, /* KP_O_1 */
GPIO87_MC5_DAT1 | PIN_OUTPUT_LOW, /* KP_O_2 */
GPIO86_MC5_DAT0 | PIN_OUTPUT_LOW, /* KP_O_3 */
GPIO96_KP_O6 | PIN_OUTPUT_LOW, /* KP_O_6 */
GPIO94_KP_O7 | PIN_OUTPUT_LOW, /* KP_O_7 */
GPIO93_MC5_DAT4 | PIN_INPUT_PULLUP, /* KP_I_0 */
GPIO89_MC5_DAT3 | PIN_INPUT_PULLUP, /* KP_I_2 */
GPIO88_MC5_DAT2 | PIN_INPUT_PULLUP, /* KP_I_3 */
GPIO91_GPIO | PIN_INPUT_PULLUP, /* FORCE_SENSING_INT */
GPIO92_GPIO | PIN_OUTPUT_LOW, /* FORCE_SENSING_RST */
GPIO97_GPIO | PIN_OUTPUT_LOW, /* FORCE_SENSING_WU */
/* DiPro Sensor Interface */
GPIO139_GPIO | PIN_INPUT_PULLUP, /* DIPRO_INT */
/* HAL SWITCH INTERFACE */
GPIO145_GPIO | PIN_INPUT_PULLDOWN,/* HAL_SW */
/* Audio Amplifier Interface */
GPIO149_GPIO | PIN_OUTPUT_LOW, /* VAUDIO_HF_EN */
/* GBF INTERFACE */
GPIO171_GPIO | PIN_OUTPUT_LOW, /* GBF_ENA_RESET */
/* MSP : HDTV INTERFACE */
GPIO192_GPIO | PIN_INPUT_PULLDOWN,
/* ACCELEROMETER_INTERFACE */
GPIO82_GPIO | PIN_INPUT_PULLUP, /* ACC_INT1 */
GPIO83_GPIO | PIN_INPUT_PULLUP, /* ACC_INT2 */
/* Proximity Sensor */
GPIO217_GPIO | PIN_INPUT_PULLUP,
};
void __init mop500_pins_init(void)
{
nmk_config_pins(mop500_pins_common,
ARRAY_SIZE(mop500_pins_common));
if (machine_is_hrefv60())
nmk_config_pins(mop500_pins_hrefv60,
ARRAY_SIZE(mop500_pins_hrefv60));
else
nmk_config_pins(mop500_pins_default,
ARRAY_SIZE(mop500_pins_default));
}
Reference in New Issue View Git Blame Copy Permalink