[PATCH V1 0/2] ARM: Exynos: Enable I2S platform support for Exynos5

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3 messages, 1 author, 2012-09-27 · open the first message on its own page

[PATCH V1 0/2] ARM: Exynos: Enable I2S platform support for Exynos5

From: Padmavathi Venna <hidden>
Date: 2012-09-27 10:26:34

This patch set enables device tree based platform support for the three I2S
controllers on Samsung's Exynos5 SoC's.

Padmavathi Venna (2):
  ARM: dts: Add nodes for i2s controllers for Samsung Exynos5 platforms
  ARM: EXYNOS: Enable platform support for I2S controllers

 arch/arm/boot/dts/exynos5250-smdk5250.dts |   15 +++++++++++++++
 arch/arm/boot/dts/exynos5250.dtsi         |   28 ++++++++++++++++++++++++++++
 arch/arm/mach-exynos/mach-exynos5-dt.c    |    6 ++++++
 3 files changed, 49 insertions(+), 0 deletions(-)

-- 
1.7.4.4

[PATCH V1 1/2] ARM: dts: Add nodes for i2s controllers for Samsung Exynos5 platforms

From: Padmavathi Venna <hidden>
Date: 2012-09-27 10:26:35

Add device nodes for the three instances of i2s controllers in Exynos5
platforms. Enable instance i2s 0 for exynos5250 board and disable all
other i2s instances.

Signed-off-by: Padmavathi Venna <redacted>
---
 arch/arm/boot/dts/exynos5250-smdk5250.dts |   15 +++++++++++++++
 arch/arm/boot/dts/exynos5250.dtsi         |   28 ++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 62e1039..ab0291d 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -109,4 +109,19 @@
 	spi_2: spi at 12d40000 {
 		status = "disabled";
 	};
+
+	i2s_0: i2s at 03830000 {
+		gpios = <&gpz 0 2 0 0>, <&gpz 1 2 0 0>, <&gpz 2 2 0 0>,
+			<&gpz 3 2 0 0>, <&gpz 4 2 0 0>, <&gpz 5 2 0 0>,
+			<&gpz 6 2 0 0>;
+		idma-addr = <0x03000000>;
+	};
+
+	i2s_1: i2s at 12D60000 {
+		status = "disabled";
+	};
+
+	i2s_2: i2s at 12D70000 {
+		status = "disabled";
+	};
 };

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index b55794b4..ac694d9 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi

@@ -31,6 +31,9 @@
 		gsc1 = &gsc_1;
 		gsc2 = &gsc_2;
 		gsc3 = &gsc_3;
+		i2s0 = &i2s_0;
+		i2s1 = &i2s_1;
+		i2s2 = &i2s_2;
 	};
 
 	gic:interrupt-controller at 10481000 {

@@ -186,6 +189,31 @@
 		#size-cells = <0>;
 	};
 
+	i2s_0: i2s at 03830000 {
+		compatible = "samsung,samsung-i2s";
+		reg = <0x03830000 0x100>;
+		tx-dma-channel-secondary = <&pdma0 8>;
+		tx-dma-channel = <&pdma0 10>;
+		rx-dma-channel = <&pdma0 9>;
+		supports-6ch;
+		supports-rstclr;
+		supports-secdai;
+	};
+
+	i2s_1: i2s at 12D60000 {
+		compatible = "samsung,samsung-i2s";
+		reg = <0x12D60000 0x100>;
+		tx-dma-channel = <&pdma1 12>;
+		rx-dma-channel = <&pdma1 11>;
+	};
+
+	i2s_2: i2s at 12D70000 {
+		compatible = "samsung,samsung-i2s";
+		reg = <0x12D70000 0x100>;
+		tx-dma-channel = <&pdma0 12>;
+		rx-dma-channel = <&pdma0 11>;
+	};
+
 	amba {
 		#address-cells = <1>;
 		#size-cells = <1>;

-- 
1.7.4.4

[PATCH V1 2/2] ARM: EXYNOS: Enable platform support for I2S controllers

From: Padmavathi Venna <hidden>
Date: 2012-09-27 10:26:36

Add AUXDATA entries for i2s controller driver so as to set the device
name for clock lookups

Signed-off-by: Padmavathi Venna <redacted>
---
 arch/arm/mach-exynos/mach-exynos5-dt.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index e707eb1..19e7f9b 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c

@@ -64,6 +64,12 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
 				"exynos-gsc.2", NULL),
 	OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
 				"exynos-gsc.3", NULL),
+	OF_DEV_AUXDATA("samsung,samsung-i2s", EXYNOS5_PA_I2S0,
+				"samsung-i2s.0", NULL),
+	OF_DEV_AUXDATA("samsung,samsung-i2s", EXYNOS5_PA_I2S1,
+				"samsung-i2s.1", NULL),
+	OF_DEV_AUXDATA("samsung,samsung-i2s", EXYNOS5_PA_I2S2,
+				"samsung-i2s.2", NULL),
 	{},
 };

-- 
1.7.4.4

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