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Diffstat (limited to 'kernel/arch/arm/mach-ep93xx/vision_ep9307.c')
-rw-r--r--kernel/arch/arm/mach-ep93xx/vision_ep9307.c63
1 files changed, 58 insertions, 5 deletions
diff --git a/kernel/arch/arm/mach-ep93xx/vision_ep9307.c b/kernel/arch/arm/mach-ep93xx/vision_ep9307.c
index 6bc1c1815..5cced5988 100644
--- a/kernel/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/kernel/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -29,6 +29,8 @@
#include <linux/spi/mmc_spi.h>
#include <linux/mmc/host.h>
+#include <sound/cs4271.h>
+
#include <mach/hardware.h>
#include <linux/platform_data/video-ep93xx.h>
#include <linux/platform_data/spi-ep93xx.h>
@@ -104,8 +106,6 @@ static void vision_lcd_blank(int blank_mode, struct fb_info *info)
}
static struct ep93xxfb_mach_info ep93xxfb_info __initdata = {
- .num_modes = EP93XXFB_USE_MODEDB,
- .bpp = 16,
.flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
.setup = vision_lcd_setup,
.teardown = vision_lcd_teardown,
@@ -169,6 +169,35 @@ static struct i2c_board_info vision_i2c_info[] __initdata = {
};
/*************************************************************************
+ * SPI CS4271 Audio Codec
+ *************************************************************************/
+static struct cs4271_platform_data vision_cs4271_data = {
+ .gpio_nreset = EP93XX_GPIO_LINE_H(2),
+};
+
+static int vision_cs4271_hw_setup(struct spi_device *spi)
+{
+ return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6,
+ GPIOF_OUT_INIT_HIGH, spi->modalias);
+}
+
+static void vision_cs4271_hw_cleanup(struct spi_device *spi)
+{
+ gpio_free(EP93XX_GPIO_LINE_EGPIO6);
+}
+
+static void vision_cs4271_hw_cs_control(struct spi_device *spi, int value)
+{
+ gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value);
+}
+
+static struct ep93xx_spi_chip_ops vision_cs4271_hw = {
+ .setup = vision_cs4271_hw_setup,
+ .cleanup = vision_cs4271_hw_cleanup,
+ .cs_control = vision_cs4271_hw_cs_control,
+};
+
+/*************************************************************************
* SPI Flash
*************************************************************************/
#define VISION_SPI_FLASH_CS EP93XX_GPIO_LINE_EGPIO7
@@ -262,12 +291,20 @@ static struct ep93xx_spi_chip_ops vision_spi_mmc_hw = {
*************************************************************************/
static struct spi_board_info vision_spi_board_info[] __initdata = {
{
+ .modalias = "cs4271",
+ .platform_data = &vision_cs4271_data,
+ .controller_data = &vision_cs4271_hw,
+ .max_speed_hz = 6000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ .mode = SPI_MODE_3,
+ }, {
.modalias = "sst25l",
.platform_data = &vision_spi_flash_data,
.controller_data = &vision_spi_flash_hw,
.max_speed_hz = 20000000,
.bus_num = 0,
- .chip_select = 0,
+ .chip_select = 1,
.mode = SPI_MODE_3,
}, {
.modalias = "mmc_spi",
@@ -275,16 +312,31 @@ static struct spi_board_info vision_spi_board_info[] __initdata = {
.controller_data = &vision_spi_mmc_hw,
.max_speed_hz = 20000000,
.bus_num = 0,
- .chip_select = 1,
+ .chip_select = 2,
.mode = SPI_MODE_3,
},
};
static struct ep93xx_spi_info vision_spi_master __initdata = {
- .num_chipselect = ARRAY_SIZE(vision_spi_board_info),
+ .num_chipselect = ARRAY_SIZE(vision_spi_board_info),
+ .use_dma = 1,
};
/*************************************************************************
+ * I2S Audio
+ *************************************************************************/
+static struct platform_device vision_audio_device = {
+ .name = "edb93xx-audio",
+ .id = -1,
+};
+
+static void __init vision_register_i2s(void)
+{
+ ep93xx_register_i2s();
+ platform_device_register(&vision_audio_device);
+}
+
+/*************************************************************************
* Machine Initialization
*************************************************************************/
static void __init vision_init_machine(void)
@@ -309,6 +361,7 @@ static void __init vision_init_machine(void)
ARRAY_SIZE(vision_i2c_info));
ep93xx_register_spi(&vision_spi_master, vision_spi_board_info,
ARRAY_SIZE(vision_spi_board_info));
+ vision_register_i2s();
}
MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")