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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-03-15 15:41:15 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-03-15 15:41:26 +0000
commit9b963f32c38b4c7d2da667e4458967b550f30bee (patch)
treebe4ed36669fe831fe0d5feaddcc8dfb39809e32e /arch/arm
parent4c4070a3097fe9ef57af9ebca6f57a2c57bc6ff1 (diff)
parent60d97a840175d3becb2e6de36537a5cdfc0ec3a9 (diff)
downloadlinux-9b963f32c38b4c7d2da667e4458967b550f30bee.tar.gz
Merge branch 'davinci-next-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel-stable
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-davinci/board-dm644x-evm.c8
-rw-r--r--arch/arm/mach-davinci/board-tnetv107x-evm.c57
-rw-r--r--arch/arm/mach-davinci/devices-tnetv107x.c25
-rw-r--r--arch/arm/mach-davinci/include/mach/tnetv107x.h2
-rw-r--r--arch/arm/mach-davinci/tnetv107x.c2
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),