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Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa3xx.c')
-rw-r--r--arch/arm/mach-pxa/colibri-pxa3xx.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
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+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
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+/*
+ * arch/arm/mach-pxa/colibri-pxa3xx.c
+ *
+ * Common functions for all Toradex PXA3xx modules
+ *
+ * Daniel Mack <daniel@caiaq.de>
+ *
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/sizes.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/pxa3xx-regs.h>
+#include <mach/mfp-pxa300.h>
+#include <mach/colibri.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+
+#include "generic.h"
+#include "devices.h"
+
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static int mmc_detect_pin;
+
+static int colibri_pxa3xx_mci_init(struct device *dev,
+ irq_handler_t colibri_mmc_detect_int,
+ void *data)
+{
+ int ret;
+
+ ret = gpio_request(mmc_detect_pin, "mmc card detect");
+ if (ret)
+ return ret;
+
+ gpio_direction_input(mmc_detect_pin);
+ ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (ret) {
+ gpio_free(mmc_detect_pin);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
+{
+ free_irq(mmc_detect_pin, data);
+ gpio_free(gpio_to_irq(mmc_detect_pin));
+}
+
+static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .init = colibri_pxa3xx_mci_init,
+ .exit = colibri_pxa3xx_mci_exit,
+};
+
+void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
+{
+ pxa3xx_mfp_config(pins, len);
+ mmc_detect_pin = detect_pin;
+ pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
+}
+#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static int lcd_bl_pin;
+
+/*
+ * LCD panel (Sharp LQ043T3DX02)
+ */
+static void colibri_lcd_backlight(int on)
+{
+ gpio_set_value(lcd_bl_pin, !!on);
+}
+
+static struct pxafb_mode_info sharp_lq43_mode = {
+ .pixclock = 101936,
+ .xres = 480,
+ .yres = 272,
+ .bpp = 32,
+ .depth = 18,
+ .hsync_len = 41,
+ .left_margin = 2,
+ .right_margin = 2,
+ .vsync_len = 10,
+ .upper_margin = 2,
+ .lower_margin = 2,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info sharp_lq43_info = {
+ .modes = &sharp_lq43_mode,
+ .num_modes = 1,
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+ .lcd_conn = LCD_COLOR_TFT_18BPP,
+ .pxafb_backlight_power = colibri_lcd_backlight,
+};
+
+void __init colibri_pxa3xx_init_lcd(int bl_pin)
+{
+ lcd_bl_pin = bl_pin;
+ gpio_request(bl_pin, "lcd backlight");
+ gpio_direction_output(bl_pin, 0);
+ set_pxa_fb_info(&sharp_lq43_info);
+}
+#endif
+