[PATCH 4/4] sh: audio support for the sh7722 Migo-R board

Guennadi Liakhovetski
2010-01-19T08:09:10Z

Configure SIU port B pins and register the WM8978 audio codec.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
arch/sh/boards/mach-migor/setup.c | 16 ++++++++++++++++
arch/sh/include/mach-migor/mach/migor.h | 1 +
2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index e1972a8..8f2bd4e 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -419,6 +419,9 @@ static struct i2c_board_info migor_i2c_devices[] = {
I2C_BOARD_INFO("migor_ts", 0x51),
.irq = 38, /* IRQ6 */
},
+ {
+ I2C_BOARD_INFO("wm8978", 0x1a),
+ },
};

static struct i2c_board_info migor_i2c_camera[] = {
@@ -631,6 +634,19 @@ static int __init migor_devices_setup(void)

platform_resource_setup_memory(&migor_ceu_device, "ceu", 4 << 20);

+ /* SIU: Port B */
+ gpio_request(GPIO_FN_SIUBOLR, NULL);
+ gpio_request(GPIO_FN_SIUBOBT, NULL);
+ gpio_request(GPIO_FN_SIUBISLD, NULL);
+ gpio_request(GPIO_FN_SIUBOSLD, NULL);
+ gpio_request(GPIO_FN_SIUMCKB, NULL);
+
+ /*
+ * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to
+ * output. Need only SIUB, set to output for master mode (table 34.2)
+ */
+ ctrl_outw(ctrl_inw(PORT_MSELCRA) | 1, PORT_MSELCRA);
+
i2c_register_board_info(0, migor_i2c_devices,
ARRAY_SIZE(migor_i2c_devices));

diff --git a/arch/sh/include/mach-migor/mach/migor.h b/arch/sh/include/mach-migor/mach/migor.h
index cee6cb8..42fccf9 100644
--- a/arch/sh/include/mach-migor/mach/migor.h
+++ b/arch/sh/include/mach-migor/mach/migor.h
@@ -1,6 +1,7 @@
#ifndef __ASM_SH_MIGOR_H
#define __ASM_SH_MIGOR_H

+#define PORT_MSELCRA 0xa4050180
#define PORT_MSELCRB 0xa4050182
#define BSC_CS4BCR 0xfec10010
#define BSC_CS6ABCR 0xfec1001c
--
1.6.2.4