arch: arm: tegra: Add SPDIF driver support

Bug 872652

Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>

Change-Id: I7b948b820434721511c008f644b69d93c23865e1
Reviewed-on: http://git-master/r/53094
Tested-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

Rebase-Id: R3fb55fe060065d76fb18010ad249e6ee0f96a944

5 files changed, 23 insertions, 5 deletions

diff --git a/arch/arm/mach-tegra/board-ventana.c b/arch/arm/mach-tegra/board-ventana.c
index 47fa94b9c265..55a354284b01 100644
--- a/arch/arm/mach-tegra/board-ventana.c
+++ b/arch/arm/mach-tegra/board-ventana.c
@@ -127,6 +127,7 @@ static __initdata struct tegra_clk_init_table ventana_clk_init_table[] = {
 	{ "pwm",	"clk_32k",	32768,		false},
 	{ "kbc",	"clk_32k",	32768,		true},
 	{ "i2s1",	"pll_a_out0",	0,		false},
+	{ "spdif_out",	"pll_a_out0",	0,		false},
 	{ NULL,		NULL,		0,		0},
 };
 
@@ -380,7 +381,9 @@ static struct platform_device *ventana_devices[] __initdata = {
 	&tegra_avp_device,
 	&tegra_camera,
 	&tegra_i2s_device1,
+	&tegra_spdif_device,
 	&tegra_das_device,
+	&spdif_dit_device,
 	&tegra_pcm_device,
 	&ventana_audio_device,
 };
diff --git a/arch/arm/mach-tegra/board-whistler.c b/arch/arm/mach-tegra/board-whistler.c
index 2dbb2394d036..64e7dc29fca2 100644
--- a/arch/arm/mach-tegra/board-whistler.c
+++ b/arch/arm/mach-tegra/board-whistler.c
@@ -217,6 +217,7 @@ static __initdata struct tegra_clk_init_table whistler_clk_init_table[] = {
 	{ "kbc",	"clk_32k",	32768,		true},
 	{ "sdmmc2",	"pll_p",	25000000,	false},
 	{ "i2s1",	"pll_a_out0",	0,		false},
+	{ "spdif_out",	"pll_a_out0",	0,		false},
 	{ NULL,		NULL,		0,		0},
 };
 
@@ -335,7 +336,9 @@ static struct platform_device *whistler_devices[] __initdata = {
 	&whistler_scroll_device,
 	&tegra_camera,
 	&tegra_i2s_device1,
+	&tegra_spdif_device,
 	&tegra_das_device,
+	&spdif_dit_device,
 	&tegra_pcm_device,
 	&whistler_audio_device,
 };
diff --git a/arch/arm/mach-tegra/devices.c b/arch/arm/mach-tegra/devices.c
index d8e004116821..6f5da486aeec 100644
--- a/arch/arm/mach-tegra/devices.c
+++ b/arch/arm/mach-tegra/devices.c
@@ -990,6 +990,13 @@ static struct resource spdif_resource[] = {
 		.flags	= IORESOURCE_MEM
 	}
 };
+
+struct platform_device tegra_spdif_device = {
+	.name		= "tegra20-spdif",
+	.id		= -1,
+	.resource	= spdif_resource,
+	.num_resources	= ARRAY_SIZE(spdif_resource),
+};
 #else
 /* FIXME : Temporarly adding - find the right solution */
 
@@ -1005,7 +1012,6 @@ static struct resource spdif_resource[] = {
 		.flags	= IORESOURCE_MEM
 	}
 };
-#endif
 
 struct platform_device tegra_spdif_device = {
 	.name		= "spdif_out",
@@ -1013,6 +1019,7 @@ struct platform_device tegra_spdif_device = {
 	.resource	= spdif_resource,
 	.num_resources	= ARRAY_SIZE(spdif_resource),
 };
+#endif
 
 #ifndef CONFIG_ARCH_TEGRA_2x_SOC
 static struct resource ahub_resource[] = {
@@ -1036,6 +1043,11 @@ struct platform_device tegra_ahub_device = {
 };
 #endif
 
+struct platform_device spdif_dit_device = {
+	.name = "spdif-dit",
+	.id = -1,
+};
+
 struct platform_device tegra_pcm_device = {
 	.name = "tegra-pcm-audio",
 	.id = -1,
diff --git a/arch/arm/mach-tegra/devices.h b/arch/arm/mach-tegra/devices.h
index 76d4eb916cf7..c6c9ce92c422 100644
--- a/arch/arm/mach-tegra/devices.h
+++ b/arch/arm/mach-tegra/devices.h
@@ -60,7 +60,9 @@ extern struct platform_device tegra_uarte_device;
 extern struct platform_device tegra_pmu_device;
 extern struct platform_device tegra_i2s_device1;
 extern struct platform_device tegra_i2s_device2;
+extern struct platform_device tegra_spdif_device;
 extern struct platform_device tegra_das_device;
+extern struct platform_device spdif_dit_device;
 extern struct platform_device tegra_pcm_device;
 extern struct platform_device tegra_w1_device;
 extern struct platform_device tegra_udc_device;
@@ -97,9 +99,7 @@ extern struct platform_device tegra_uartb_device;
 extern struct platform_device tegra_uartc_device;
 extern struct platform_device tegra_uartd_device;
 extern struct platform_device tegra_uarte_device;
-extern struct platform_device tegra_spdif_device;
 extern struct platform_device tegra_grhost_device;
-extern struct platform_device tegra_spdif_device;
 extern struct platform_device tegra_avp_device;
 extern struct platform_device tegra_aes_device;
 #if !defined(CONFIG_ARCH_TEGRA_2x_SOC)
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index 62965ab76069..918c4de6b46f 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -2337,8 +2337,8 @@ struct clk tegra_list_periph_clks[] = {
 	PERIPH_CLK("i2s1",	"tegra20-i2s.0",	NULL,	11,	0x100,	0x31E,	26000000,  mux_pllaout0_audio2x_pllp_clkm,	MUX | DIV_U71 | PERIPH_ON_APB),
 	PERIPH_CLK("i2s2",	"tegra20-i2s.1",	NULL,	18,	0x104,	0x31E,	26000000,  mux_pllaout0_audio2x_pllp_clkm,	MUX | DIV_U71 | PERIPH_ON_APB),
 	PERIPH_CLK("kfuse",	"kfuse-tegra",		NULL,	40,	0,	0x31E,  26000000,  mux_clk_m,			0),
-	PERIPH_CLK("spdif_out",	"spdif_out",		NULL,	10,	0x108,	0x31E,	100000000, mux_pllaout0_audio2x_pllp_clkm,	MUX | DIV_U71 | PERIPH_ON_APB),
-	PERIPH_CLK("spdif_in",	"spdif_in",		NULL,	10,	0x10c,	0x31E,	100000000, mux_pllp_pllc_pllm,		MUX | DIV_U71 | PERIPH_ON_APB),
+	PERIPH_CLK("spdif_out",	"tegra20-spdif",	"spdif_out",	10,	0x108,	0x31E,	100000000, mux_pllaout0_audio2x_pllp_clkm,	MUX | DIV_U71 | PERIPH_ON_APB),
+	PERIPH_CLK("spdif_in",	"tegra20-spdif",	"spdif_in",	10,	0x10c,	0x31E,	100000000, mux_pllp_pllc_pllm,		MUX | DIV_U71 | PERIPH_ON_APB),
 	PERIPH_CLK("pwm",	"pwm",			NULL,	17,	0x110,	0x71C,	432000000, mux_pllp_pllc_audio_clkm_clk32,	MUX | DIV_U71 | PERIPH_ON_APB),
 	PERIPH_CLK("spi",	"spi",			NULL,	43,	0x114,	0x31E,	40000000,  mux_pllp_pllc_pllm_clkm,	MUX | DIV_U71 | PERIPH_ON_APB),
 	PERIPH_CLK("xio",	"xio",			NULL,	45,	0x120,	0x31E,	150000000, mux_pllp_pllc_pllm_clkm,	MUX | DIV_U71),