ARM: OMAP: N770: add missing LCD, LCD controller, touchscreen device registration

[pandora-kernel.git] / arch / arm / mach-omap1 / board-nokia770.c

diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 8ea0cef..acb2331 100644 (file)
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -33,9 +33,14 @@
 #include <asm/arch/dsp_common.h>
 #include <asm/arch/aic23.h>
 #include <asm/arch/gpio.h>
+#include <asm/arch/omapfb.h>
+#include <asm/arch/hwa742.h>
+#include <asm/arch/lcd_mipid.h>
 
 #include "../plat-omap/dsp/dsp_common.h"
 
+#define ADS7846_PENDOWN_GPIO   15
+
 static void __init omap_nokia770_init_irq(void)
 {
        /* On Nokia 770, the SleepX signal is masked with an
@@ -96,6 +101,41 @@ static struct platform_device *nokia770_devices[] __initdata = {
        &nokia770_kp_device,
 };
 
+static void mipid_shutdown(struct mipid_platform_data *pdata)
+{
+       if (pdata->nreset_gpio != -1) {
+               printk(KERN_INFO "shutdown LCD\n");
+               omap_set_gpio_dataout(pdata->nreset_gpio, 0);
+               msleep(120);
+       }
+}
+
+static struct mipid_platform_data nokia770_mipid_platform_data = {
+       .shutdown = mipid_shutdown,
+};
+
+static void mipid_dev_init(void)
+{
+       const struct omap_lcd_config *conf;
+
+       conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
+       if (conf != NULL) {
+               nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
+               nokia770_mipid_platform_data.data_lines = conf->data_lines;
+       }
+}
+
+static void ads7846_dev_init(void)
+{
+       if (omap_request_gpio(ADS7846_PENDOWN_GPIO) < 0)
+               printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+}
+
+static int ads7846_get_pendown_state(void)
+{
+       return !omap_get_gpio_datain(ADS7846_PENDOWN_GPIO);
+}
+
 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
        .x_max          = 0x0fff,
        .y_max          = 0x0fff,
@@ -103,6 +143,8 @@ static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata =
        .pressure_max   = 255,
        .debounce_max   = 10,
        .debounce_tol   = 3,
+       .debounce_rep   = 1,
+       .get_pendown_state      = ads7846_get_pendown_state,
 };
 
 static struct spi_board_info nokia770_spi_board_info[] __initdata = {
@@ -111,6 +153,7 @@ static struct spi_board_info nokia770_spi_board_info[] __initdata = {
                .bus_num        = 2,
                .chip_select    = 3,
                .max_speed_hz   = 12000000,
+               .platform_data  = &nokia770_mipid_platform_data,
        },
        [1] = {
                .modalias       = "ads7846",
@@ -122,6 +165,47 @@ static struct spi_board_info nokia770_spi_board_info[] __initdata = {
        },
 };
 
+static struct {
+       struct clk *sys_ck;
+} hwa742;
+
+static int hwa742_get_clocks(void)
+{
+       hwa742.sys_ck = clk_get(NULL, "bclk");
+       if (IS_ERR(hwa742.sys_ck)) {
+               printk(KERN_ERR "can't get HWA742 clock\n");
+               return PTR_ERR(hwa742.sys_ck);
+       }
+       return 0;
+}
+
+static unsigned long hwa742_get_clock_rate(struct device *dev)
+{
+       return clk_get_rate(hwa742.sys_ck);
+}
+
+static void hwa742_power_up(struct device *dev)
+{
+       clk_enable(hwa742.sys_ck);
+}
+
+static void hwa742_power_down(struct device *dev)
+{
+       clk_disable(hwa742.sys_ck);
+}
+
+static struct hwa742_platform_data nokia770_hwa742_platform_data = {
+       .get_clock_rate = hwa742_get_clock_rate,
+       .power_up       = hwa742_power_up,
+       .power_down     = hwa742_power_down,
+       .te_connected   = 1,
+};
+
+static void hwa742_dev_init(void)
+{
+       hwa742_get_clocks();
+       omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
+}
 
 /* assume no Mini-AB port */
 
@@ -287,8 +371,12 @@ static void __init omap_nokia770_init(void)
                                ARRAY_SIZE(nokia770_spi_board_info));
        omap_board_config = nokia770_config;
        omap_board_config_size = ARRAY_SIZE(nokia770_config);
+       omap_gpio_init();
        omap_serial_init();
        omap_dsp_init();
+       hwa742_dev_init();
+       ads7846_dev_init();
+       mipid_dev_init();
 }
 
 static void __init omap_nokia770_map_io(void)