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Cleanup qi-lb60 board code.

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This commit is contained in:
Lars-Peter Clausen 2009-10-11 22:47:01 +02:00 committed by Xiangfu Liu
parent 9c229a412e
commit 5709f560f9
2 changed files with 124 additions and 0 deletions
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88
target/linux/xburst/files-2.6.31/arch/mips/include/asm/mach-jz4740/board-qi_lb60.h Normal file
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/*
* Copyright (c) 2009 Qi Hardware Inc.,
* Author: Xiangfu Liu <xiangfu@qi-hardware.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_JZ4740_QI_LB60_H__
#define __ASM_JZ4740_QI_LB60_H__
#include <linux/gpio.h>
/*
* Frequencies of on-board oscillators
*/
#define JZ_EXTAL 12000000 /* Main extal freq: 12 MHz */
#define JZ_EXTAL_RTC 32768 /* RTC extal freq: 32.768 KHz */
/*
* GPIO
*/
#define GPIO_DC_DETE_N JZ_GPIO_PORTC(26)
#define GPIO_CHARG_STAT_N JZ_GPIO_PORTC(27)
#define GPIO_LED_EN JZ_GPIO_PORTC(28)
#define GPIO_LCD_CS JZ_GPIO_PORTC(21)
#define GPIO_DISP_OFF_N JZ_GPIO_PORTD(21)
#define GPIO_PWM JZ_GPIO_PORTD(27)
#define GPIO_WAKEUP_N JZ_GPIO_PORTD(29)
#define GPIO_AMP_EN JZ_GPIO_PORTD(4)
#define GPIO_SD_CD_N JZ_GPIO_PORTD(0)
#define GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
#define GPIO_SD_WP JZ_GPIO_PORTD(16)
#define GPIO_USB_DETE JZ_GPIO_PORTD(28)
#define GPIO_BUZZ_PWM JZ_GPIO_PORTD(27)
#define GPIO_UDC_HOTPLUG GPIO_USB_DETE
#define GPIO_AUDIO_POP JZ_GPIO_PORTB(29)
#define GPIO_COB_TEST JZ_GPIO_PORTB(30)
#define GPIO_KEYOUT_BASE JZ_GPIO_PORTC(10)
#define GPIO_KEYIN_BASE JZ_GPIO_PORTD(18)
#define GPIO_KEYIN_8 JZ_GPIO_PORTD(26)
/*
* MMC/SD
*/
#define MSC_WP_PIN GPIO_SD_WP
#define MSC_HOTPLUG_PIN GPIO_SD_CD_N
#define MSC_HOTPLUG_IRQ (IRQ_GPIO_0 + GPIO_SD_CD_N)
#define __msc_init_io() \
do { \
__gpio_as_output(GPIO_SD_VCC_EN_N); \
__gpio_as_input(GPIO_SD_CD_N); \
} while (0)
#define __msc_enable_power() \
do { \
__gpio_clear_pin(GPIO_SD_VCC_EN_N); \
} while (0)
#define __msc_disable_power() \
do { \
__gpio_set_pin(GPIO_SD_VCC_EN_N); \
} while (0)
#define __msc_card_detected(s) \
({ \
int detected = 1; \
if (!__gpio_get_pin(GPIO_SD_CD_N)) \
detected = 0; \
detected; \
})
#endif /* __ASM_JZ4740_QI_LB60_H__ */

36
target/linux/xburst/files-2.6.31/arch/mips/jz4740/board-qi_lb60.c Normal file
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/*
* linux/arch/mips/jz4740/board-qi_lb60.c
*
* QI_LB60 setup routines.
*
* Copyright (c) 2009 Qi Hardware inc.,
* Author: Xiangfu Liu <xiangfu@qi-hardware.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <asm/mach-jz4740/board-qi_lb60.h>
static void __init board_gpio_setup(void)
{
/* We only need to enable/disable pullup here for pins used in generic
* drivers. Everything else is done by the drivers themselfs. */
jz_gpio_disable_pullup(GPIO_SD_VCC_EN_N);
jz_gpio_disable_pullup(GPIO_SD_CD_N);
jz_gpio_disable_pullup(GPIO_SD_WP);
}
void __init jz_board_setup(void)
{
printk("Qi Hardware JZ4740 QI_LB60 setup\n");
board_gpio_setup();
}