Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[~andy/linux] / arch / arm / mach-omap1 / devices.c

diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index dcd8ddbec2bbc92b7577bc6f143d4085e3ec426f..fa1fa4deb6aa4ae65c523d7e84686ffb9cba1406 100644 (file)
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -22,6 +22,7 @@
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mux.h>
+#include <plat/dma.h>
 #include <plat/mmc.h>
 #include <plat/omap7xx.h>
 
@@ -31,6 +32,22 @@
 #include "common.h"
 #include "clock.h"
 
+#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
+
+static struct platform_device omap_pcm = {
+       .name   = "omap-pcm-audio",
+       .id     = -1,
+};
+
+static void omap_init_audio(void)
+{
+       platform_device_register(&omap_pcm);
+}
+
+#else
+static inline void omap_init_audio(void) {}
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE)
@@ -128,6 +145,56 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
        }
 }
 
+#define OMAP_MMC_NR_RES                4
+
+/*
+ * Register MMC devices.
+ */
+static int __init omap_mmc_add(const char *name, int id, unsigned long base,
+                               unsigned long size, unsigned int irq,
+                               unsigned rx_req, unsigned tx_req,
+                               struct omap_mmc_platform_data *data)
+{
+       struct platform_device *pdev;
+       struct resource res[OMAP_MMC_NR_RES];
+       int ret;
+
+       pdev = platform_device_alloc(name, id);
+       if (!pdev)
+               return -ENOMEM;
+
+       memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
+       res[0].start = base;
+       res[0].end = base + size - 1;
+       res[0].flags = IORESOURCE_MEM;
+       res[1].start = res[1].end = irq;
+       res[1].flags = IORESOURCE_IRQ;
+       res[2].start = rx_req;
+       res[2].name = "rx";
+       res[2].flags = IORESOURCE_DMA;
+       res[3].start = tx_req;
+       res[3].name = "tx";
+       res[3].flags = IORESOURCE_DMA;
+
+       ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
+       if (ret == 0)
+               ret = platform_device_add_data(pdev, data, sizeof(*data));
+       if (ret)
+               goto fail;
+
+       ret = platform_device_add(pdev);
+       if (ret)
+               goto fail;
+
+       /* return device handle to board setup code */
+       data->dev = &pdev->dev;
+       return 0;
+
+fail:
+       platform_device_put(pdev);
+       return ret;
+}
+
 void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                        int nr_controllers)
 {
@@ -135,6 +202,7 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 
        for (i = 0; i < nr_controllers; i++) {
                unsigned long base, size;
+               unsigned rx_req, tx_req;
                unsigned int irq = 0;
 
                if (!mmc_data[i])
@@ -146,19 +214,24 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
                case 0:
                        base = OMAP1_MMC1_BASE;
                        irq = INT_MMC;
+                       rx_req = OMAP_DMA_MMC_RX;
+                       tx_req = OMAP_DMA_MMC_TX;
                        break;
                case 1:
                        if (!cpu_is_omap16xx())
                                return;
                        base = OMAP1_MMC2_BASE;
                        irq = INT_1610_MMC2;
+                       rx_req = OMAP_DMA_MMC2_RX;
+                       tx_req = OMAP_DMA_MMC2_TX;
                        break;
                default:
                        continue;
                }
                size = OMAP1_MMC_SIZE;
 
-               omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]);
+               omap_mmc_add("mmci-omap", i, base, size, irq,
+                               rx_req, tx_req, mmc_data[i]);
        };
 }
 
@@ -242,23 +315,48 @@ void __init omap1_camera_init(void *info)
 
 static inline void omap_init_sti(void) {}
 
-#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
+/* Numbering for the SPI-capable controllers when used for SPI:
+ * spi         = 1
+ * uwire       = 2
+ * mmc1..2     = 3..4
+ * mcbsp1..3   = 5..7
+ */
 
-static struct platform_device omap_pcm = {
-       .name   = "omap-pcm-audio",
-       .id     = -1,
+#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
+
+#define        OMAP_UWIRE_BASE         0xfffb3000
+
+static struct resource uwire_resources[] = {
+       {
+               .start          = OMAP_UWIRE_BASE,
+               .end            = OMAP_UWIRE_BASE + 0x20,
+               .flags          = IORESOURCE_MEM,
+       },
 };
 
-static void omap_init_audio(void)
+static struct platform_device omap_uwire_device = {
+       .name      = "omap_uwire",
+       .id          = -1,
+       .num_resources  = ARRAY_SIZE(uwire_resources),
+       .resource       = uwire_resources,
+};
+
+static void omap_init_uwire(void)
 {
-       platform_device_register(&omap_pcm);
-}
+       /* FIXME define and use a boot tag; not all boards will be hooking
+        * up devices to the microwire controller, and multi-board configs
+        * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
+        */
 
+       /* board-specific code must configure chipselects (only a few
+        * are normally used) and SCLK/SDI/SDO (each has two choices).
+        */
+       (void) platform_device_register(&omap_uwire_device);
+}
 #else
-static inline void omap_init_audio(void) {}
+static inline void omap_init_uwire(void) {}
 #endif
 
-/*-------------------------------------------------------------------------*/
 
 /*
  * This gets called after board-specific INIT_MACHINE, and initializes most
@@ -292,11 +390,12 @@ static int __init omap1_init_devices(void)
         * in alphabetical order so they're easier to sort through.
         */
 
+       omap_init_audio();
        omap_init_mbox();
        omap_init_rtc();
        omap_init_spi100k();
        omap_init_sti();
-       omap_init_audio();
+       omap_init_uwire();
 
        return 0;
 }