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Diffstat (limited to 'arch/arm/mach-pxa/poodle.c')
-rw-r--r--arch/arm/mach-pxa/poodle.c353
1 files changed, 204 insertions, 149 deletions
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 3f5f484549b3..2e3bd8b1523b 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -20,6 +20,9 @@
#include <linux/fb.h>
#include <linux/pm.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -33,7 +36,7 @@
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-regs.h>
-#include <mach/pxa2xx-gpio.h>
+#include <mach/mfp-pxa25x.h>
#include <mach/mmc.h>
#include <mach/udc.h>
#include <mach/i2c.h>
@@ -42,6 +45,7 @@
#include <mach/pxafb.h>
#include <mach/sharpsl.h>
#include <mach/ssp.h>
+#include <mach/pxa2xx_spi.h>
#include <asm/hardware/scoop.h>
#include <asm/hardware/locomo.h>
@@ -51,6 +55,88 @@
#include "devices.h"
#include "sharpsl.h"
+static unsigned long poodle_pin_config[] __initdata = {
+ /* I/O */
+ GPIO79_nCS_3,
+ GPIO80_nCS_4,
+ GPIO18_RDY,
+
+ /* Clock */
+ GPIO12_32KHz,
+
+ /* SSP1 */
+ GPIO23_SSP1_SCLK,
+ GPIO25_SSP1_TXD,
+ GPIO26_SSP1_RXD,
+ GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */
+
+ /* I2S */
+ GPIO28_I2S_BITCLK_OUT,
+ GPIO29_I2S_SDATA_IN,
+ GPIO30_I2S_SDATA_OUT,
+ GPIO31_I2S_SYNC,
+ GPIO32_I2S_SYSCLK,
+
+ /* Infra-Red */
+ GPIO47_FICP_TXD,
+ GPIO46_FICP_RXD,
+
+ /* FFUART */
+ GPIO40_FFUART_DTR,
+ GPIO41_FFUART_RTS,
+ GPIO39_FFUART_TXD,
+ GPIO37_FFUART_DSR,
+ GPIO34_FFUART_RXD,
+ GPIO35_FFUART_CTS,
+
+ /* LCD */
+ GPIO58_LCD_LDD_0,
+ GPIO59_LCD_LDD_1,
+ GPIO60_LCD_LDD_2,
+ GPIO61_LCD_LDD_3,
+ GPIO62_LCD_LDD_4,
+ GPIO63_LCD_LDD_5,
+ GPIO64_LCD_LDD_6,
+ GPIO65_LCD_LDD_7,
+ GPIO66_LCD_LDD_8,
+ GPIO67_LCD_LDD_9,
+ GPIO68_LCD_LDD_10,
+ GPIO69_LCD_LDD_11,
+ GPIO70_LCD_LDD_12,
+ GPIO71_LCD_LDD_13,
+ GPIO72_LCD_LDD_14,
+ GPIO73_LCD_LDD_15,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS,
+
+ /* PC Card */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO52_nPCE_1,
+ GPIO53_nPCE_2,
+ GPIO54_nPSKTSEL,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
+
+ /* MMC */
+ GPIO6_MMC_CLK,
+ GPIO8_MMC_CS0,
+
+ /* GPIO */
+ GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */
+ GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */
+ GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */
+ GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */
+
+ GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */
+ GPIO22_GPIO, /* POODLE_GPIO_IR_ON */
+};
+
static struct resource poodle_scoop_resources[] = {
[0] = {
.start = 0x10800000,
@@ -62,6 +148,7 @@ static struct resource poodle_scoop_resources[] = {
static struct scoop_config poodle_scoop_setup = {
.io_dir = POODLE_SCOOP_IO_DIR,
.io_out = POODLE_SCOOP_IO_OUT,
+ .gpio_base = POODLE_SCOOP_GPIO_BASE,
};
struct platform_device poodle_scoop_device = {
@@ -74,27 +161,6 @@ struct platform_device poodle_scoop_device = {
.resource = poodle_scoop_resources,
};
-static void poodle_pcmcia_init(void)
-{
- /* Setup default state of GPIO outputs
- before we enable them as outputs. */
- GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
- GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
- GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
- GPIO_bit(GPIO53_nPCE_2);
-
- pxa_gpio_mode(GPIO48_nPOE_MD);
- pxa_gpio_mode(GPIO49_nPWE_MD);
- pxa_gpio_mode(GPIO50_nPIOR_MD);
- pxa_gpio_mode(GPIO51_nPIOW_MD);
- pxa_gpio_mode(GPIO55_nPREG_MD);
- pxa_gpio_mode(GPIO56_nPWAIT_MD);
- pxa_gpio_mode(GPIO57_nIOIS16_MD);
- pxa_gpio_mode(GPIO52_nPCE_1_MD);
- pxa_gpio_mode(GPIO53_nPCE_2_MD);
- pxa_gpio_mode(GPIO54_pSKTSEL_MD);
-}
-
static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
{
.dev = &poodle_scoop_device.dev,
@@ -107,7 +173,6 @@ static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
static struct scoop_pcmcia_config poodle_pcmcia_config = {
.devs = &poodle_pcmcia_scoop[0],
.num_devs = 1,
- .pcmcia_init = poodle_pcmcia_init,
};
EXPORT_SYMBOL(poodle_scoop_device);
@@ -136,62 +201,55 @@ struct platform_device poodle_locomo_device = {
EXPORT_SYMBOL(poodle_locomo_device);
-/*
- * Poodle SSP Device
- */
-
-struct platform_device poodle_ssp_device = {
- .name = "corgi-ssp",
- .id = -1,
-};
-
-struct corgissp_machinfo poodle_ssp_machinfo = {
- .port = 1,
- .cs_lcdcon = -1,
- .cs_ads7846 = -1,
- .cs_max1111 = -1,
- .clk_lcdcon = 2,
- .clk_ads7846 = 36,
- .clk_max1111 = 2,
+#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
+static struct pxa2xx_spi_master poodle_spi_info = {
+ .num_chipselect = 1,
};
-
-/*
- * Poodle Touch Screen Device
- */
-static struct resource poodlets_resources[] = {
- [0] = {
- .start = POODLE_IRQ_GPIO_TP_INT,
- .end = POODLE_IRQ_GPIO_TP_INT,
- .flags = IORESOURCE_IRQ,
- },
+static struct ads7846_platform_data poodle_ads7846_info = {
+ .model = 7846,
+ .vref_delay_usecs = 100,
+ .x_plate_ohms = 419,
+ .y_plate_ohms = 486,
+ .gpio_pendown = POODLE_GPIO_TP_INT,
};
-static unsigned long poodle_get_hsync_invperiod(void)
+static void ads7846_cs(u32 command)
{
- return 0;
+ gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT));
}
-static void poodle_null_hsync(void)
-{
-}
-
-static struct corgits_machinfo poodle_ts_machinfo = {
- .get_hsync_invperiod = poodle_get_hsync_invperiod,
- .put_hsync = poodle_null_hsync,
- .wait_hsync = poodle_null_hsync,
+static struct pxa2xx_spi_chip poodle_ads7846_chip = {
+ .cs_control = ads7846_cs,
};
-static struct platform_device poodle_ts_device = {
- .name = "corgi-ts",
- .dev = {
- .platform_data = &poodle_ts_machinfo,
+static struct spi_board_info poodle_spi_devices[] = {
+ {
+ .modalias = "ads7846",
+ .max_speed_hz = 10000,
+ .bus_num = 1,
+ .platform_data = &poodle_ads7846_info,
+ .controller_data= &poodle_ads7846_chip,
+ .irq = gpio_to_irq(POODLE_GPIO_TP_INT),
},
- .id = -1,
- .num_resources = ARRAY_SIZE(poodlets_resources),
- .resource = poodlets_resources,
};
+static void __init poodle_init_spi(void)
+{
+ int err;
+
+ err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS");
+ if (err)
+ return;
+
+ gpio_direction_output(POODLE_GPIO_TP_CS, 1);
+
+ pxa2xx_set_spi_info(1, &poodle_spi_info);
+ spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
+}
+#else
+static inline void poodle_init_spi(void) {}
+#endif
/*
* MMC/SD Device
@@ -205,22 +263,50 @@ static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int,
{
int err;
- /* setup GPIO for PXA25x MMC controller */
- pxa_gpio_mode(GPIO6_MMCCLK_MD);
- pxa_gpio_mode(GPIO8_MMCCS0_MD);
- pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
- pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN);
- pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
- pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT);
+ err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
+ if (err)
+ goto err_out;
+
+ err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
+ if (err)
+ goto err_free_1;
+
+ err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
+ if (err)
+ goto err_free_2;
+
+ err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
+ if (err)
+ goto err_free_3;
+
+ gpio_direction_input(POODLE_GPIO_nSD_DETECT);
+ gpio_direction_input(POODLE_GPIO_nSD_WP);
+
+ gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
+ gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
- if (err)
- printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+ if (err) {
+ pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
+ __func__);
+ goto err_free_4;
+ }
+
+ return 0;
+err_free_4:
+ gpio_free(POODLE_GPIO_SD_PWR1);
+err_free_3:
+ gpio_free(POODLE_GPIO_SD_PWR);
+err_free_2:
+ gpio_free(POODLE_GPIO_nSD_WP);
+err_free_1:
+ gpio_free(POODLE_GPIO_nSD_DETECT);
+err_out:
return err;
}
@@ -228,18 +314,19 @@ static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
- if (( 1 << vdd) & p_d->ocr_mask) {
- GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
+ if ((1 << vdd) & p_d->ocr_mask) {
+ gpio_set_value(POODLE_GPIO_SD_PWR, 1);
mdelay(2);
- GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
+ gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
} else {
- GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
- GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
+ gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
+ gpio_set_value(POODLE_GPIO_SD_PWR, 0);
}
}
static int poodle_mci_get_ro(struct device *dev)
{
+ return !!gpio_get_value(POODLE_GPIO_nSD_WP);
return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
}
@@ -247,6 +334,10 @@ static int poodle_mci_get_ro(struct device *dev)
static void poodle_mci_exit(struct device *dev, void *data)
{
free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
+ gpio_free(POODLE_GPIO_SD_PWR1);
+ gpio_free(POODLE_GPIO_SD_PWR);
+ gpio_free(POODLE_GPIO_nSD_WP);
+ gpio_free(POODLE_GPIO_nSD_DETECT);
}
static struct pxamci_platform_data poodle_mci_platform_data = {
@@ -263,38 +354,41 @@ static struct pxamci_platform_data poodle_mci_platform_data = {
*/
static void poodle_irda_transceiver_mode(struct device *dev, int mode)
{
- if (mode & IR_OFF) {
- GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
- } else {
- GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
- }
+ gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
+static int poodle_irda_startup(struct device *dev)
+{
+ int err;
+
+ err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
+ if (err)
+ return err;
+
+ gpio_direction_output(POODLE_GPIO_IR_ON, 1);
+ return 0;
+}
+
+static void poodle_irda_shutdown(struct device *dev)
+{
+ gpio_free(POODLE_GPIO_IR_ON);
+}
+
static struct pxaficp_platform_data poodle_ficp_platform_data = {
- .transceiver_cap = IR_SIRMODE | IR_OFF,
- .transceiver_mode = poodle_irda_transceiver_mode,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+ .transceiver_mode = poodle_irda_transceiver_mode,
+ .startup = poodle_irda_startup,
+ .shutdown = poodle_irda_shutdown,
};
/*
* USB Device Controller
*/
-static void poodle_udc_command(int cmd)
-{
- switch(cmd) {
- case PXA2XX_UDC_CMD_CONNECT:
- GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
- break;
- case PXA2XX_UDC_CMD_DISCONNECT:
- GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
- break;
- }
-}
-
static struct pxa2xx_udc_mach_info udc_info __initdata = {
/* no connect GPIO; poodle can't tell connection status */
- .udc_command = poodle_udc_command,
+ .gpio_pullup = POODLE_GPIO_USB_PULLUP,
};
@@ -316,15 +410,12 @@ static struct pxafb_mode_info poodle_fb_mode = {
static struct pxafb_mach_info poodle_fb_info = {
.modes = &poodle_fb_mode,
.num_modes = 1,
- .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
- .lccr3 = 0,
+ .lcd_conn = LCD_COLOR_TFT_16BPP,
};
static struct platform_device *devices[] __initdata = {
&poodle_locomo_device,
&poodle_scoop_device,
- &poodle_ssp_device,
- &poodle_ts_device,
};
static void poodle_poweroff(void)
@@ -344,59 +435,23 @@ static void __init poodle_init(void)
pm_power_off = poodle_poweroff;
arm_pm_restart = poodle_restart;
- /* setup sleep mode values */
- PWER = 0x00000002;
- PFER = 0x00000000;
- PRER = 0x00000002;
- PGSR0 = 0x00008000;
- PGSR1 = 0x003F0202;
- PGSR2 = 0x0001C000;
PCFR |= PCFR_OPDE;
- /* cpu initialize */
- /* Pgsr Register */
- PGSR0 = 0x0146dd80;
- PGSR1 = 0x03bf0890;
- PGSR2 = 0x0001c000;
-
- /* Alternate Register */
- GAFR0_L = 0x01001000;
- GAFR0_U = 0x591a8010;
- GAFR1_L = 0x900a8451;
- GAFR1_U = 0xaaa5aaaa;
- GAFR2_L = 0x8aaaaaaa;
- GAFR2_U = 0x00000002;
-
- /* Direction Register */
- GPDR0 = 0xd3f0904c;
- GPDR1 = 0xfcffb7d3;
- GPDR2 = 0x0001ffff;
-
- /* Output Register */
- GPCR0 = 0x00000000;
- GPCR1 = 0x00000000;
- GPCR2 = 0x00000000;
-
- GPSR0 = 0x00400000;
- GPSR1 = 0x00000000;
- GPSR2 = 0x00000000;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
+
+ platform_scoop_config = &poodle_pcmcia_config;
+
+ ret = platform_add_devices(devices, ARRAY_SIZE(devices));
+ if (ret)
+ pr_warning("poodle: Unable to register LoCoMo device\n");
set_pxa_fb_parent(&poodle_locomo_device.dev);
set_pxa_fb_info(&poodle_fb_info);
- pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
- pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
pxa_set_udc_info(&udc_info);
pxa_set_mci_info(&poodle_mci_platform_data);
pxa_set_ficp_info(&poodle_ficp_platform_data);
pxa_set_i2c_info(NULL);
-
- platform_scoop_config = &poodle_pcmcia_config;
-
- ret = platform_add_devices(devices, ARRAY_SIZE(devices));
- if (ret) {
- printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
- }
- corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
+ poodle_init_spi();
}
static void __init fixup_poodle(struct machine_desc *desc,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 00:17:22 +0000