[ARM] 3594/1: Poodle: Add touchscreen support + other updates
Patch from Richard Purdie
Poodle Updates:
* Update corgi_ssp to make the GPIO chip selects optional
* Enable corgi_ssp for use by poodle
* Add corgi touchscreen platform device for poodle
* Export locomo platform device.
* Set framebuffer device parent correctly
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 0104fd1..ea5137f 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -61,6 +61,7 @@
bool "Enable Sharp SL-5600 (Poodle) Support"
depends PXA_SHARPSL_25x
select SHARP_LOCOMO
+ select PXA_SSP
config MACH_CORGI
bool "Enable Sharp SL-C700 (Corgi) Support"
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 4e8a983..1610690 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -15,7 +15,7 @@
obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o
-obj-$(CONFIG_MACH_POODLE) += poodle.o
+obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o
obj-$(CONFIG_MACH_TOSA) += tosa.o
# Support for blinky lights
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index 8a25a1c..f942131 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -50,12 +50,14 @@
unsigned long ret,flag;
spin_lock_irqsave(&corgi_ssp_lock, flag);
- GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
ssp_write_word(&corgi_ssp_dev,data);
ret = ssp_read_word(&corgi_ssp_dev);
- GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
spin_unlock_irqrestore(&corgi_ssp_lock, flag);
return ret;
@@ -68,12 +70,14 @@
void corgi_ssp_ads7846_lock(void)
{
spin_lock(&corgi_ssp_lock);
- GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
}
void corgi_ssp_ads7846_unlock(void)
{
- GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
spin_unlock(&corgi_ssp_lock);
}
@@ -110,11 +114,13 @@
ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), sscr1, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_lcdcon));
ssp_enable(&corgi_ssp_dev);
- GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
+ if (ssp_machinfo->cs_lcdcon >= 0)
+ GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
ssp_write_word(&corgi_ssp_dev,data);
/* Read null data back from device to prevent SSP overflow */
ssp_read_word(&corgi_ssp_dev);
- GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
+ if (ssp_machinfo->cs_lcdcon >= 0)
+ GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
ssp_disable(&corgi_ssp_dev);
ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
@@ -147,7 +153,8 @@
int voltage,voltage1,voltage2;
spin_lock_irqsave(&corgi_ssp_lock, flag);
- GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
+ if (ssp_machinfo->cs_max1111 >= 0)
+ GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
ssp_disable(&corgi_ssp_dev);
ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_max1111));
ssp_enable(&corgi_ssp_dev);
@@ -169,7 +176,8 @@
ssp_disable(&corgi_ssp_dev);
ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
ssp_enable(&corgi_ssp_dev);
- GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
+ if (ssp_machinfo->cs_max1111 >= 0)
+ GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
spin_unlock_irqrestore(&corgi_ssp_lock, flag);
if (voltage1 & 0xc0 || voltage2 & 0x3f)
@@ -196,9 +204,12 @@
int ret;
/* Chip Select - Disable All */
- pxa_gpio_mode(ssp_machinfo->cs_lcdcon | GPIO_OUT | GPIO_DFLT_HIGH);
- pxa_gpio_mode(ssp_machinfo->cs_max1111 | GPIO_OUT | GPIO_DFLT_HIGH);
- pxa_gpio_mode(ssp_machinfo->cs_ads7846 | GPIO_OUT | GPIO_DFLT_HIGH);
+ if (ssp_machinfo->cs_lcdcon >= 0)
+ pxa_gpio_mode(ssp_machinfo->cs_lcdcon | GPIO_OUT | GPIO_DFLT_HIGH);
+ if (ssp_machinfo->cs_max1111 >= 0)
+ pxa_gpio_mode(ssp_machinfo->cs_max1111 | GPIO_OUT | GPIO_DFLT_HIGH);
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ pxa_gpio_mode(ssp_machinfo->cs_ads7846 | GPIO_OUT | GPIO_DFLT_HIGH);
ret = ssp_init(&corgi_ssp_dev, ssp_machinfo->port, 0);
@@ -229,9 +240,12 @@
static int corgi_ssp_resume(struct platform_device *dev)
{
- GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); /* High - Disable LCD Control/Timing Gen */
- GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/
- GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/
+ if (ssp_machinfo->cs_lcdcon >= 0)
+ GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); /* High - Disable LCD Control/Timing Gen */
+ if (ssp_machinfo->cs_max1111 >= 0)
+ GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/
+ if (ssp_machinfo->cs_ads7846 >= 0)
+ GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/
ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state);
ssp_enable(&corgi_ssp_dev);
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 234877a..9a9fa87 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -37,12 +37,15 @@
#include <asm/arch/irda.h>
#include <asm/arch/poodle.h>
#include <asm/arch/pxafb.h>
+#include <asm/arch/sharpsl.h>
+#include <asm/arch/ssp.h>
#include <asm/hardware/scoop.h>
#include <asm/hardware/locomo.h>
#include <asm/mach/sharpsl_param.h>
#include "generic.h"
+#include "sharpsl.h"
static struct resource poodle_scoop_resources[] = {
[0] = {
@@ -120,13 +123,71 @@
},
};
-static struct platform_device locomo_device = {
+struct platform_device poodle_locomo_device = {
.name = "locomo",
.id = 0,
.num_resources = ARRAY_SIZE(locomo_resources),
.resource = locomo_resources,
};
+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,
+};
+
+
+/*
+ * 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 unsigned long poodle_get_hsync_len(void)
+{
+ return 0;
+}
+
+static void poodle_null_hsync(void)
+{
+}
+
+static struct corgits_machinfo poodle_ts_machinfo = {
+ .get_hsync_len = poodle_get_hsync_len,
+ .put_hsync = poodle_null_hsync,
+ .wait_hsync = poodle_null_hsync,
+};
+
+static struct platform_device poodle_ts_device = {
+ .name = "corgi-ts",
+ .dev = {
+ .platform_data = &poodle_ts_machinfo,
+ },
+ .id = -1,
+ .num_resources = ARRAY_SIZE(poodlets_resources),
+ .resource = poodlets_resources,
+};
+
/*
* MMC/SD Device
@@ -259,8 +320,10 @@
};
static struct platform_device *devices[] __initdata = {
- &locomo_device,
+ &poodle_locomo_device,
&poodle_scoop_device,
+ &poodle_ssp_device,
+ &poodle_ts_device,
};
static void poodle_poweroff(void)
@@ -319,6 +382,7 @@
GPSR1 = 0x00000000;
GPSR2 = 0x00000000;
+ 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);
@@ -332,6 +396,7 @@
if (ret) {
printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
}
+ corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
}
static void __init fixup_poodle(struct machine_desc *desc,
diff --git a/include/asm-arm/arch-pxa/poodle.h b/include/asm-arm/arch-pxa/poodle.h
index 6079e0a..4d6a403 100644
--- a/include/asm-arm/arch-pxa/poodle.h
+++ b/include/asm-arm/arch-pxa/poodle.h
@@ -70,4 +70,6 @@
#define POODLE_SCOOP_IO_DIR ( POODLE_SCOOP_VPEN | POODLE_SCOOP_HS_OUT )
#define POODLE_SCOOP_IO_OUT ( 0 )
+extern struct platform_device poodle_locomo_device;
+
#endif /* __ASM_ARCH_POODLE_H */