summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
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)
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 0ca90b83458..556bbd468db 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 a6db8546022..1a656e88226 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 85503debda5..6162cae7f86 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 5a681d880dc..89c1fdc63c0 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 6fcdecec8d8..1b28fdd892a 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),