arm64: dts: fsd: Add I2S DAI node for Tesla FSD

Add device tree node for I2S0 and I2S1 CPU DAI instances for Tesla
FSD platform.

FSD SoC has 2 I2S instances driving stereo channel I2S audio playback
and capture with external DMA support.

Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>
Link: https://lore.kernel.org/r/20230116103823.90757-4-p.rajanbabu@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index af3862e..7650c20 100644 (file)
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -34,6 +34,14 @@
        clock-frequency = <24000000>;
 };
 
+&i2s_0 {
+       status = "okay";
+};
+
+&i2s_1 {
+       status = "okay";
+};
+
 &m_can0 {
        status = "okay";
 };

diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index c99868b..3f898cf 100644 (file)
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -367,6 +367,20 @@
                samsung,pin-pud = <FSD_PIN_PULL_UP>;
                samsung,pin-drv = <FSD_PIN_DRV_LV4>;
        };
+
+       i2s0_bus: i2s0-bus-pins {
+               samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2", "gpd1-3", "gpd1-4";
+               samsung,pin-function = <FSD_PIN_FUNC_2>;
+               samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
+               samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+       };
+
+       i2s1_bus: i2s1-bus-pins {
+               samsung,pins = "gpd2-0", "gpd2-1", "gpd2-2", "gpd2-3", "gpd2-4";
+               samsung,pin-function = <FSD_PIN_FUNC_2>;
+               samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
+               samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+       };
 };
 
 &pinctrl_pmu {

diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index 0b68d24..1c53c68 100644 (file)
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -760,6 +760,40 @@
                        status = "disabled";
                };
 
+               i2s_0: i2s@140e0000 {
+                       compatible = "tesla,fsd-i2s";
+                       reg = <0x0 0x140e0000 0x0 0x100>;
+                       interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&pdma1 14>, <&pdma1 13>, <&pdma1 12>;
+                       dma-names = "tx", "rx", "tx-sec";
+                       #clock-cells = <1>;
+                       clocks = <&clock_peric PERIC_PCLK_TDM0>,
+                                <&clock_peric PERIC_HCLK_TDM0>,
+                                <&clock_peric PERIC_HCLK_TDM0>;
+                       clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2s0_bus>;
+                       #sound-dai-cells = <1>;
+                       status = "disabled";
+               };
+
+               i2s_1: i2s@140f0000 {
+                       compatible = "tesla,fsd-i2s";
+                       reg = <0x0 0x140f0000 0x0 0x100>;
+                       interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
+                       dmas = <&pdma1 17>, <&pdma1 16>, <&pdma1 15>;
+                       dma-names = "tx", "rx", "tx-sec";
+                       #clock-cells = <1>;
+                       clocks = <&clock_peric PERIC_PCLK_TDM1>,
+                                <&clock_peric PERIC_HCLK_TDM1>,
+                                <&clock_peric PERIC_HCLK_TDM1>;
+                       clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2s1_bus>;
+                       #sound-dai-cells = <1>;
+                       status = "disabled";
+               };
+
                pinctrl_pmu: pinctrl@114f0000 {
                        compatible = "tesla,fsd-pinctrl";
                        reg = <0x0 0x114f0000 0x0 0x1000>;