[ARM] 3123/1: Sharp SL-6000x: Add IRDA, MMC, UDC and keyboard device

Patch from Dirk Opfer

This patch adds MMC, IRDA and UDC support to the Sharp SL-6000x device. Also it adds a platform device for the keyboard driver.

Signed-off-by: Dirk Opfer
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 116 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 400609f8b6a8..f3e01891e851 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -111,16 +111,128 @@ static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
 },
 };
 
+/*
+ * USB Device Controller
+ */
+static void tosa_udc_command(int cmd)
+{
+        switch(cmd)     {
+                case PXA2XX_UDC_CMD_CONNECT:
+                        set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
+                        break;
+                case PXA2XX_UDC_CMD_DISCONNECT:
+                        reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
+                        break;
+        }
+}
+
+static int tosa_udc_is_connected(void)
+{
+        return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
+}
+
+
+static struct pxa2xx_udc_mach_info udc_info __initdata = {
+        .udc_command            = tosa_udc_command,
+        .udc_is_connected       = tosa_udc_is_connected,
+};
+
+/*
+ * MMC/SD Device
+ */
+static struct pxamci_platform_data tosa_mci_platform_data;
+
+static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+        int err;
+
+        /* setup GPIO for PXA25x MMC controller */
+        pxa_gpio_mode(GPIO6_MMCCLK_MD);
+        pxa_gpio_mode(GPIO8_MMCCS0_MD);
+        pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
+
+        tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+
+        err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
+                                "MMC/SD card detect", data);
+        if (err) {
+                printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+                return -1;
+        }
+
+        set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+
+        return 0;
+}
+
+static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data* p_d = dev->platform_data;
+
+        if (( 1 << vdd) & p_d->ocr_mask) {
+                set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+        } else {
+                reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+        }
+}
+
+static int tosa_mci_get_ro(struct device *dev)
+{
+        return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
+}
+
+static void tosa_mci_exit(struct device *dev, void *data)
+{
+        free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
+}
+
+static struct pxamci_platform_data tosa_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .init           = tosa_mci_init,
+        .get_ro         = tosa_mci_get_ro,
+        .setpower       = tosa_mci_setpower,
+        .exit           = tosa_mci_exit,
+};
+
+/*
+ * Irda
+ */
+static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+{
+        if (mode & IR_OFF) {
+                reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
+                pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
+                pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
+        } else {
+                pxa_gpio_mode(GPIO47_STTXD_MD);
+                set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
+        }
+}
+
+static struct pxaficp_platform_data tosa_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_OFF,
+        .transceiver_mode = tosa_irda_transceiver_mode,
+};
+
+/*
+ * Tosa Keyboard
+ */
+static struct platform_device tosakbd_device = {
+        .name           = "tosa-keyboard",
+        .id             = -1,
+};
 
 static struct platform_device *devices[] __initdata = {
         &tosascoop_device,
         &tosascoop_jc_device,
+        &tosakbd_device,
 };
 
 static void __init tosa_init(void)
 {
         pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
         pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
+        pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
 
         /* setup sleep mode values */
         PWER  = 0x00000002;
@@ -131,9 +243,12 @@ static void __init tosa_init(void)
         PGSR2 = 0x00014000;
         PCFR |= PCFR_OPDE;
 
-        // enable batt_fault
+        /* enable batt_fault */
         PMCR = 0x01;
 
+        pxa_set_mci_info(&tosa_mci_platform_data);
+        pxa_set_udc_info(&udc_info);
+        pxa_set_ficp_info(&tosa_ficp_platform_data);
         platform_add_devices(devices, ARRAY_SIZE(devices));
 
         scoop_num = 2;