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-rw-r--r--arch/arm/mach-mx2/pcm970-baseboard.c133
1 files changed, 132 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index a560cd6ad23..bf4e520bc1b 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -17,9 +17,138 @@
*/
#include <linux/platform_device.h>
-#include <mach/hardware.h>
+#include <linux/gpio.h>
+#include <linux/irq.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 "devices.h"
+
+static int pcm970_sdhc2_get_ro(struct device *dev)
+{
+ return gpio_get_value(GPIO_PORTC + 28);
+}
+
+static int pcm970_sdhc2_pins[] = {
+ PB4_PF_SD2_D0,
+ PB5_PF_SD2_D1,
+ PB6_PF_SD2_D2,
+ PB7_PF_SD2_D3,
+ PB8_PF_SD2_CMD,
+ PB9_PF_SD2_CLK,
+};
+
+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,
+ "imx-mmc-detect", data);
+ if (ret)
+ goto out_release_gpio;
+
+ set_irq_type(IRQ_GPIOC(29), IRQF_TRIGGER_FALLING);
+
+ ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro");
+ if (ret)
+ goto out_release_gpio;
+
+ 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 = {
+ .get_ro = pcm970_sdhc2_get_ro,
+ .init = pcm970_sdhc2_init,
+ .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
+ */
+static struct imx_fb_platform_data pcm038_fb_data = {
+ .pixclock = 188679, /* in ps (5.3MHz) */
+ .xres = 240,
+ .yres = 320,
+
+ .bpp = 16,
+ .hsync_len = 7,
+ .left_margin = 5,
+ .right_margin = 16,
+
+ .vsync_len = 1,
+ .upper_margin = 7,
+ .lower_margin = 9,
+ .fixed_screen_cpu = 0,
+
+ /*
+ * - HSYNC active high
+ * - VSYNC active high
+ * - clk notenabled while idle
+ * - clock not inverted
+ * - data not inverted
+ * - data enable low active
+ * - enable sharp mode
+ */
+ .pcr = 0xFA0080C0,
+ .pwmr = 0x00A903FF,
+ .lscr1 = 0x00120300,
+ .dmacr = 0x00020010,
+
+ .init = pcm038_fb_init,
+ .exit = pcm038_fb_exit,
+};
+
/*
* system init for baseboard usage. Will be called by pcm038 init.
*
@@ -28,4 +157,6 @@
*/
void __init pcm970_baseboard_init(void)
{
+ mxc_register_device(&mxc_fb_device, &pcm038_fb_data);
+ mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
}