ARM: imx: convert audmux to a platform driver

It coverts audmux to a platform driver, so that it can be moved into
sound/soc/imx and adopt device tree support later.

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 31807d2a8b7b..2530c151b7b3 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -158,6 +158,10 @@ static struct sdma_platform_data imx31_sdma_pdata __initdata = {
         .script_addrs = &imx31_to2_sdma_script,
 };
 
+static const struct resource imx31_audmux_res[] __initconst = {
+        DEFINE_RES_MEM(MX31_AUDMUX_BASE_ADDR, SZ_16K),
+};
+
 void __init imx31_soc_init(void)
 {
         int to_version = mx31_revision() >> 4;
@@ -175,6 +179,8 @@ void __init imx31_soc_init(void)
         }
 
         imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
+        platform_device_register_simple("imx31-audmux", 0, imx31_audmux_res,
+                                        ARRAY_SIZE(imx31_audmux_res));
 }
 #endif /* ifdef CONFIG_SOC_IMX31 */
 
@@ -241,6 +247,10 @@ static struct sdma_platform_data imx35_sdma_pdata __initdata = {
         .script_addrs = &imx35_to2_sdma_script,
 };
 
+static const struct resource imx35_audmux_res[] __initconst = {
+        DEFINE_RES_MEM(MX35_AUDMUX_BASE_ADDR, SZ_16K),
+};
+
 void __init imx35_soc_init(void)
 {
         int to_version = mx35_revision() >> 4;
@@ -259,5 +269,8 @@ void __init imx35_soc_init(void)
         }
 
         imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
+        /* i.mx35 has the i.mx31 type audmux */
+        platform_device_register_simple("imx31-audmux", 0, imx35_audmux_res,
+                                        ARRAY_SIZE(imx35_audmux_res));
 }
 #endif /* ifdef CONFIG_SOC_IMX35 */