Blackfin arch: fix AD7877 bus_num and add support for WM8731 SPI control interface

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 19 insertions, 1 deletions

diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 88b41b71bffc..299b1704796d 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -451,6 +451,13 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 };
 #endif
 
+#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) \
+         && defined(CONFIG_SND_SOC_WM8731_SPI)
+static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
+        .enable_dma = 0,
+        .bits_per_word = 16,
+};
+#endif
 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 #if defined(CONFIG_MTD_M25P80) \
         || defined(CONFIG_MTD_M25P80_MODULE)
@@ -552,11 +559,22 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
                 .platform_data          = &bfin_ad7877_ts_info,
                 .irq                    = IRQ_PF6,
                 .max_speed_hz   = 12500000,     /* max spi clock (SCK) speed in HZ */
-                .bus_num        = 1,
+                .bus_num        = 0,
                 .chip_select  = 1,
                 .controller_data = &spi_ad7877_chip_info,
         },
 #endif
+#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) \
+         && defined(CONFIG_SND_SOC_WM8731_SPI)
+        {
+                .modalias       = "wm8731",
+                .max_speed_hz   = 3125000,     /* max spi clock (SCK) speed in HZ */
+                .bus_num        = 0,
+                .chip_select    = 5,
+                .controller_data = &spi_wm8731_chip_info,
+                .mode = SPI_MODE_0,
+        },
+#endif
 };
 
 /* SPI controller data */