mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
b8f649f1f5
Since PXA_GPIO_TO_IRQ() & MMP_GPIO_TO_IRQ() macro are depended on arch code, move them from gpio driver to platform driver instead. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
209 lines
4.2 KiB
C
209 lines
4.2 KiB
C
/*
|
|
* linux/arch/arm/mach-mmp/gplugd.c
|
|
*
|
|
* Support for the Marvell PXA168-based GuruPlug Display (gplugD) Platform.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* publishhed by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/gpio-pxa.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <mach/irqs.h>
|
|
#include <mach/pxa168.h>
|
|
#include <mach/mfp-pxa168.h>
|
|
|
|
#include "common.h"
|
|
|
|
static unsigned long gplugd_pin_config[] __initdata = {
|
|
/* UART3 */
|
|
GPIO8_UART3_TXD,
|
|
GPIO9_UART3_RXD,
|
|
GPIO1O_UART3_CTS,
|
|
GPIO11_UART3_RTS,
|
|
|
|
/* USB OTG PEN */
|
|
GPIO18_GPIO,
|
|
|
|
/* MMC2 */
|
|
GPIO28_MMC2_CMD,
|
|
GPIO29_MMC2_CLK,
|
|
GPIO30_MMC2_DAT0,
|
|
GPIO31_MMC2_DAT1,
|
|
GPIO32_MMC2_DAT2,
|
|
GPIO33_MMC2_DAT3,
|
|
|
|
/* LCD & HDMI clock selection GPIO: 0: 74.176MHz, 1: 74.25 MHz */
|
|
GPIO35_GPIO,
|
|
GPIO36_GPIO, /* CEC Interrupt */
|
|
|
|
/* MMC1 */
|
|
GPIO43_MMC1_CLK,
|
|
GPIO49_MMC1_CMD,
|
|
GPIO41_MMC1_DAT0,
|
|
GPIO40_MMC1_DAT1,
|
|
GPIO52_MMC1_DAT2,
|
|
GPIO51_MMC1_DAT3,
|
|
GPIO53_MMC1_CD,
|
|
|
|
/* LCD */
|
|
GPIO56_LCD_FCLK_RD,
|
|
GPIO57_LCD_LCLK_A0,
|
|
GPIO58_LCD_PCLK_WR,
|
|
GPIO59_LCD_DENA_BIAS,
|
|
GPIO60_LCD_DD0,
|
|
GPIO61_LCD_DD1,
|
|
GPIO62_LCD_DD2,
|
|
GPIO63_LCD_DD3,
|
|
GPIO64_LCD_DD4,
|
|
GPIO65_LCD_DD5,
|
|
GPIO66_LCD_DD6,
|
|
GPIO67_LCD_DD7,
|
|
GPIO68_LCD_DD8,
|
|
GPIO69_LCD_DD9,
|
|
GPIO70_LCD_DD10,
|
|
GPIO71_LCD_DD11,
|
|
GPIO72_LCD_DD12,
|
|
GPIO73_LCD_DD13,
|
|
GPIO74_LCD_DD14,
|
|
GPIO75_LCD_DD15,
|
|
GPIO76_LCD_DD16,
|
|
GPIO77_LCD_DD17,
|
|
GPIO78_LCD_DD18,
|
|
GPIO79_LCD_DD19,
|
|
GPIO80_LCD_DD20,
|
|
GPIO81_LCD_DD21,
|
|
GPIO82_LCD_DD22,
|
|
GPIO83_LCD_DD23,
|
|
|
|
/* GPIO */
|
|
GPIO84_GPIO,
|
|
GPIO85_GPIO,
|
|
|
|
/* Fast-Ethernet*/
|
|
GPIO86_TX_CLK,
|
|
GPIO87_TX_EN,
|
|
GPIO88_TX_DQ3,
|
|
GPIO89_TX_DQ2,
|
|
GPIO90_TX_DQ1,
|
|
GPIO91_TX_DQ0,
|
|
GPIO92_MII_CRS,
|
|
GPIO93_MII_COL,
|
|
GPIO94_RX_CLK,
|
|
GPIO95_RX_ER,
|
|
GPIO96_RX_DQ3,
|
|
GPIO97_RX_DQ2,
|
|
GPIO98_RX_DQ1,
|
|
GPIO99_RX_DQ0,
|
|
GPIO100_MII_MDC,
|
|
GPIO101_MII_MDIO,
|
|
GPIO103_RX_DV,
|
|
GPIO104_GPIO, /* Reset PHY */
|
|
|
|
/* RTC interrupt */
|
|
GPIO102_GPIO,
|
|
|
|
/* I2C */
|
|
GPIO105_CI2C_SDA,
|
|
GPIO106_CI2C_SCL,
|
|
|
|
/* SPI NOR Flash on SSP2 */
|
|
GPIO107_SSP2_RXD,
|
|
GPIO108_SSP2_TXD,
|
|
GPIO110_GPIO, /* SPI_CSn */
|
|
GPIO111_SSP2_CLK,
|
|
|
|
/* Select JTAG */
|
|
GPIO109_GPIO,
|
|
|
|
/* I2S */
|
|
GPIO114_I2S_FRM,
|
|
GPIO115_I2S_BCLK,
|
|
GPIO116_I2S_TXD
|
|
};
|
|
|
|
static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
|
|
.irq_base = MMP_GPIO_TO_IRQ(0),
|
|
};
|
|
|
|
static struct i2c_board_info gplugd_i2c_board_info[] = {
|
|
{
|
|
.type = "isl1208",
|
|
.addr = 0x6F,
|
|
}
|
|
};
|
|
|
|
/* Bring PHY out of reset by setting GPIO 104 */
|
|
static int gplugd_eth_init(void)
|
|
{
|
|
if (unlikely(gpio_request(104, "ETH_RESET_N"))) {
|
|
printk(KERN_ERR "Can't get hold of GPIO 104 to bring Ethernet "
|
|
"PHY out of reset\n");
|
|
return -EIO;
|
|
}
|
|
|
|
gpio_direction_output(104, 1);
|
|
gpio_free(104);
|
|
return 0;
|
|
}
|
|
|
|
struct pxa168_eth_platform_data gplugd_eth_platform_data = {
|
|
.port_number = 0,
|
|
.phy_addr = 0,
|
|
.speed = 0, /* Autonagotiation */
|
|
.init = gplugd_eth_init,
|
|
};
|
|
|
|
static void __init select_disp_freq(void)
|
|
{
|
|
/* set GPIO 35 & clear GPIO 85 to set LCD External Clock to 74.25 MHz */
|
|
if (unlikely(gpio_request(35, "DISP_FREQ_SEL"))) {
|
|
printk(KERN_ERR "Can't get hold of GPIO 35 to select display "
|
|
"frequency\n");
|
|
} else {
|
|
gpio_direction_output(35, 1);
|
|
gpio_free(35);
|
|
}
|
|
|
|
if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) {
|
|
printk(KERN_ERR "Can't get hold of GPIO 85 to select display "
|
|
"frequency\n");
|
|
} else {
|
|
gpio_direction_output(85, 0);
|
|
gpio_free(85);
|
|
}
|
|
}
|
|
|
|
static void __init gplugd_init(void)
|
|
{
|
|
mfp_config(ARRAY_AND_SIZE(gplugd_pin_config));
|
|
|
|
select_disp_freq();
|
|
|
|
/* on-chip devices */
|
|
pxa168_add_uart(3);
|
|
pxa168_add_ssp(1);
|
|
pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
|
|
platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
|
|
sizeof(struct pxa_gpio_platform_data));
|
|
platform_device_register(&pxa168_device_gpio);
|
|
|
|
pxa168_add_eth(&gplugd_eth_platform_data);
|
|
}
|
|
|
|
MACHINE_START(GPLUGD, "PXA168-based GuruPlug Display (gplugD) Platform")
|
|
.map_io = mmp_map_io,
|
|
.nr_irqs = MMP_NR_IRQS,
|
|
.init_irq = pxa168_init_irq,
|
|
.init_time = pxa168_timer_init,
|
|
.init_machine = gplugd_init,
|
|
.restart = pxa168_restart,
|
|
MACHINE_END
|