1 files changed, 68 insertions, 55 deletions

diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index bf4e520bc1bc..6a3acaf57dd4 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -16,71 +16,107 @@
  * MA 02110-1301, USA.
  */
 
-#include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
 
-#include <mach/hardware.h>
 #include <mach/common.h>
-#include <mach/mmc.h>
-#include <mach/imxfb.h>
 #include <mach/iomux.h>
+#include <mach/imxfb.h>
+#include <mach/hardware.h>
+#include <mach/mmc.h>
 
 #include "devices.h"
 
-static int pcm970_sdhc2_get_ro(struct device *dev)
-{
-	return gpio_get_value(GPIO_PORTC + 28);
-}
-
-static int pcm970_sdhc2_pins[] = {
+static int pcm970_pins[] = {
+	/* SDHC */
 	PB4_PF_SD2_D0,
 	PB5_PF_SD2_D1,
 	PB6_PF_SD2_D2,
 	PB7_PF_SD2_D3,
 	PB8_PF_SD2_CMD,
 	PB9_PF_SD2_CLK,
+	GPIO_PORTC | 28 | GPIO_GPIO | GPIO_IN, /* card detect */
+	/* display */
+	PA5_PF_LSCLK,
+	PA6_PF_LD0,
+	PA7_PF_LD1,
+	PA8_PF_LD2,
+	PA9_PF_LD3,
+	PA10_PF_LD4,
+	PA11_PF_LD5,
+	PA12_PF_LD6,
+	PA13_PF_LD7,
+	PA14_PF_LD8,
+	PA15_PF_LD9,
+	PA16_PF_LD10,
+	PA17_PF_LD11,
+	PA18_PF_LD12,
+	PA19_PF_LD13,
+	PA20_PF_LD14,
+	PA21_PF_LD15,
+	PA22_PF_LD16,
+	PA23_PF_LD17,
+	PA24_PF_REV,
+	PA25_PF_CLS,
+	PA26_PF_PS,
+	PA27_PF_SPL_SPR,
+	PA28_PF_HSYNC,
+	PA29_PF_VSYNC,
+	PA30_PF_CONTRAST,
+	PA31_PF_OE_ACD,
+	/*
+	 * it seems the data line misses a pullup, so we must enable
+	 * the internal pullup as a local workaround
+	 */
+	PD17_PF_I2C_DATA | GPIO_PUEN,
+	PD18_PF_I2C_CLK,
+	/* Camera */
+	PB10_PF_CSI_D0,
+	PB11_PF_CSI_D1,
+	PB12_PF_CSI_D2,
+	PB13_PF_CSI_D3,
+	PB14_PF_CSI_D4,
+	PB15_PF_CSI_MCLK,
+	PB16_PF_CSI_PIXCLK,
+	PB17_PF_CSI_D5,
+	PB18_PF_CSI_D6,
+	PB19_PF_CSI_D7,
+	PB20_PF_CSI_VSYNC,
+	PB21_PF_CSI_HSYNC,
 };
 
+static int pcm970_sdhc2_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_PORTC + 28);
+}
+
 static int pcm970_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data)
 {
 	int ret;
 
-	ret = mxc_gpio_setup_multiple_pins(pcm970_sdhc2_pins,
-		ARRAY_SIZE(pcm970_sdhc2_pins), "sdhc2");
-	if(ret)
-		return ret;
-
-	ret = request_irq(IRQ_GPIOC(29), detect_irq, 0,
+	ret = request_irq(IRQ_GPIOC(29), detect_irq, IRQF_TRIGGER_FALLING,
 				"imx-mmc-detect", data);
 	if (ret)
-		goto out_release_gpio;
-
-	set_irq_type(IRQ_GPIOC(29), IRQF_TRIGGER_FALLING);
+		return ret;
 
 	ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro");
-	if (ret)
-		goto out_release_gpio;
+	if (ret) {
+		free_irq(IRQ_GPIOC(29), data);
+		return ret;
+	}
 
-	mxc_gpio_mode((GPIO_PORTC | 28) | GPIO_GPIO | GPIO_IN);
 	gpio_direction_input(GPIO_PORTC + 28);
 
 	return 0;
-
-out_release_gpio:
-	mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins,
-			ARRAY_SIZE(pcm970_sdhc2_pins));
-	return ret;
 }
 
 static void pcm970_sdhc2_exit(struct device *dev, void *data)
 {
 	free_irq(IRQ_GPIOC(29), data);
 	gpio_free(GPIO_PORTC + 28);
-	mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins,
-			ARRAY_SIZE(pcm970_sdhc2_pins));
 }
 
 static struct imxmmc_platform_data sdhc_pdata = {
@@ -89,29 +125,6 @@ static struct imxmmc_platform_data sdhc_pdata = {
 	.exit = pcm970_sdhc2_exit,
 };
 
-static int mxc_fb_pins[] = {
-	PA5_PF_LSCLK,	PA6_PF_LD0,	PA7_PF_LD1,	PA8_PF_LD2,
-	PA9_PF_LD3,	PA10_PF_LD4,	PA11_PF_LD5,	PA12_PF_LD6,
-	PA13_PF_LD7,	PA14_PF_LD8,	PA15_PF_LD9,	PA16_PF_LD10,
-	PA17_PF_LD11,	PA18_PF_LD12,	PA19_PF_LD13,	PA20_PF_LD14,
-	PA21_PF_LD15,	PA22_PF_LD16,	PA23_PF_LD17,	PA24_PF_REV,
-	PA25_PF_CLS,	PA26_PF_PS,	PA27_PF_SPL_SPR, PA28_PF_HSYNC,
-	PA29_PF_VSYNC,	PA30_PF_CONTRAST, PA31_PF_OE_ACD
-};
-
-static int pcm038_fb_init(struct platform_device *pdev)
-{
-	return mxc_gpio_setup_multiple_pins(mxc_fb_pins,
-			ARRAY_SIZE(mxc_fb_pins), "FB");
-}
-
-static int pcm038_fb_exit(struct platform_device *pdev)
-{
-	mxc_gpio_release_multiple_pins(mxc_fb_pins, ARRAY_SIZE(mxc_fb_pins));
-
-	return 0;
-}
-
 /*
  * Connected is a portrait Sharp-QVGA display
  * of type: LQ035Q7DH06
@@ -144,9 +157,6 @@ static struct imx_fb_platform_data pcm038_fb_data = {
 	.pwmr		= 0x00A903FF,
 	.lscr1		= 0x00120300,
 	.dmacr		= 0x00020010,
-
-	.init = pcm038_fb_init,
-	.exit = pcm038_fb_exit,
 };
 
 /*
@@ -157,6 +167,9 @@ static struct imx_fb_platform_data pcm038_fb_data = {
  */
 void __init pcm970_baseboard_init(void)
 {
+	mxc_gpio_setup_multiple_pins(pcm970_pins, ARRAY_SIZE(pcm970_pins),
+			"PCM970");
+
 	mxc_register_device(&mxc_fb_device, &pcm038_fb_data);
 	mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
 }