5 files changed, 88 insertions, 6 deletions

diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 0ca90b834586..556bbd468db3 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -440,11 +440,6 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
         gpio_request(gpio + 7, "nCF_SEL");
         gpio_direction_output(gpio + 7, 1);
 
-        /* irlml6401 switches over 1A, in under 8 msec;
-         * now it can be managed by nDRV_VBUS ...
-         */
-        davinci_setup_usb(1000, 8);
-
         return 0;
 }
 
@@ -705,6 +700,9 @@ static __init void davinci_evm_init(void)
         davinci_serial_init(&uart_config);
         dm644x_init_asp(&dm644x_evm_snd_data);
 
+        /* irlml6401 switches over 1A, in under 8 msec */
+        davinci_setup_usb(1000, 8);
+
         soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
         /* Register the fixup for PHY on DaVinci */
         phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c
index a6db85460227..1a656e882262 100644
--- a/arch/arm/mach-davinci/board-tnetv107x-evm.c
+++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c
@@ -25,6 +25,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/input.h>
 #include <linux/input/matrix_keypad.h>
+#include <linux/spi/spi.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -37,6 +38,7 @@
 
 #define EVM_MMC_WP_GPIO         21
 #define EVM_MMC_CD_GPIO         24
+#define EVM_SPI_CS_GPIO         54
 
 static int initialize_gpio(int gpio, char *desc)
 {
@@ -99,6 +101,12 @@ static const short uart1_pins[] __initdata = {
         -1
 };
 
+static const short ssp_pins[] __initdata = {
+        TNETV107X_SSP0_0, TNETV107X_SSP0_1, TNETV107X_SSP0_2,
+        TNETV107X_SSP1_0, TNETV107X_SSP1_1, TNETV107X_SSP1_2,
+        TNETV107X_SSP1_3, -1
+};
+
 static struct mtd_partition nand_partitions[] = {
         /* bootloader (U-Boot, etc) in first 12 sectors */
         {
@@ -196,19 +204,68 @@ static struct matrix_keypad_platform_data keypad_config = {
         .no_autorepeat  = 0,
 };
 
+static void spi_select_device(int cs)
+{
+        static int gpio;
+
+        if (!gpio) {
+                int ret;
+                ret = gpio_request(EVM_SPI_CS_GPIO, "spi chipsel");
+                if (ret < 0) {
+                        pr_err("cannot open spi chipsel gpio\n");
+                        gpio = -ENOSYS;
+                        return;
+                } else {
+                        gpio = EVM_SPI_CS_GPIO;
+                        gpio_direction_output(gpio, 0);
+                }
+        }
+
+        if (gpio < 0)
+                return;
+
+        return gpio_set_value(gpio, cs ? 1 : 0);
+}
+
+static struct ti_ssp_spi_data spi_master_data = {
+        .num_cs = 2,
+        .select = spi_select_device,
+        .iosel  = SSP_PIN_SEL(0, SSP_CLOCK)     | SSP_PIN_SEL(1, SSP_DATA) |
+                  SSP_PIN_SEL(2, SSP_CHIPSEL)   | SSP_PIN_SEL(3, SSP_IN)   |
+                  SSP_INPUT_SEL(3),
+};
+
+static struct ti_ssp_data ssp_config = {
+        .out_clock      = 250 * 1000,
+        .dev_data       = {
+                [1] = {
+                        .dev_name = "ti-ssp-spi",
+                        .pdata = &spi_master_data,
+                        .pdata_size = sizeof(spi_master_data),
+                },
+        },
+};
+
 static struct tnetv107x_device_info evm_device_info __initconst = {
         .serial_config          = &serial_config,
         .mmc_config[1]          = &mmc_config,  /* controller 1 */
         .nand_config[0]         = &nand_config, /* chip select 0 */
         .keypad_config          = &keypad_config,
+        .ssp_config             = &ssp_config,
+};
+
+static struct spi_board_info spi_info[] __initconst = {
 };
 
 static __init void tnetv107x_evm_board_init(void)
 {
         davinci_cfg_reg_list(sdio1_pins);
         davinci_cfg_reg_list(uart1_pins);
+        davinci_cfg_reg_list(ssp_pins);
 
         tnetv107x_devices_init(&evm_device_info);
+
+        spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c
index 85503debda51..6162cae7f868 100644
--- a/arch/arm/mach-davinci/devices-tnetv107x.c
+++ b/arch/arm/mach-davinci/devices-tnetv107x.c
@@ -35,6 +35,7 @@
 #define TNETV107X_SDIO0_BASE                    0x08088700
 #define TNETV107X_SDIO1_BASE                    0x08088800
 #define TNETV107X_KEYPAD_BASE                   0x08088a00
+#define TNETV107X_SSP_BASE                      0x08088c00
 #define TNETV107X_ASYNC_EMIF_CNTRL_BASE         0x08200000
 #define TNETV107X_ASYNC_EMIF_DATA_CE0_BASE      0x30000000
 #define TNETV107X_ASYNC_EMIF_DATA_CE1_BASE      0x40000000
@@ -342,6 +343,25 @@ static struct platform_device tsc_device = {
         .resource       = tsc_resources,
 };
 
+static struct resource ssp_resources[] = {
+        {
+                .start  = TNETV107X_SSP_BASE,
+                .end    = TNETV107X_SSP_BASE + 0x1ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_TNETV107X_SSP,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device ssp_device = {
+        .name           = "ti-ssp",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(ssp_resources),
+        .resource       = ssp_resources,
+};
+
 void __init tnetv107x_devices_init(struct tnetv107x_device_info *info)
 {
         int i, error;
@@ -380,4 +400,9 @@ void __init tnetv107x_devices_init(struct tnetv107x_device_info *info)
                 keypad_device.dev.platform_data = info->keypad_config;
                 platform_device_register(&keypad_device);
         }
+
+        if (info->ssp_config) {
+                ssp_device.dev.platform_data = info->ssp_config;
+                platform_device_register(&ssp_device);
+        }
 }
diff --git a/arch/arm/mach-davinci/include/mach/tnetv107x.h b/arch/arm/mach-davinci/include/mach/tnetv107x.h
index 5a681d880dcb..89c1fdc63c0b 100644
--- a/arch/arm/mach-davinci/include/mach/tnetv107x.h
+++ b/arch/arm/mach-davinci/include/mach/tnetv107x.h
@@ -34,6 +34,7 @@
 
 #include <linux/serial_8250.h>
 #include <linux/input/matrix_keypad.h>
+#include <linux/mfd/ti_ssp.h>
 
 #include <mach/mmc.h>
 #include <mach/nand.h>
@@ -44,6 +45,7 @@ struct tnetv107x_device_info {
         struct davinci_mmc_config       *mmc_config[2];  /* 2 controllers */
         struct davinci_nand_pdata       *nand_config[4]; /* 4 chipsels */
         struct matrix_keypad_platform_data *keypad_config;
+        struct ti_ssp_data              *ssp_config;
 };
 
 extern struct platform_device tnetv107x_wdt_device;
diff --git a/arch/arm/mach-davinci/tnetv107x.c b/arch/arm/mach-davinci/tnetv107x.c
index 6fcdecec8d8c..1b28fdd892a6 100644
--- a/arch/arm/mach-davinci/tnetv107x.c
+++ b/arch/arm/mach-davinci/tnetv107x.c
@@ -278,7 +278,7 @@ static struct clk_lookup clks[] = {
         CLK(NULL,               "timer1",               &clk_timer1),
         CLK("tnetv107x_wdt.0",  NULL,                   &clk_wdt_arm),
         CLK(NULL,               "clk_wdt_dsp",          &clk_wdt_dsp),
-        CLK("ti-ssp.0",         NULL,                   &clk_ssp),
+        CLK("ti-ssp",           NULL,                   &clk_ssp),
         CLK(NULL,               "clk_tdm0",             &clk_tdm0),
         CLK(NULL,               "clk_vlynq",            &clk_vlynq),
         CLK(NULL,               "clk_mcdma",            &clk_mcdma),