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 --- arch/arm64/boot/dts/tesla/fsd-evb.dts | 8 +++++ arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 14 +++++++++ arch/arm64/boot/dts/tesla/fsd.dtsi | 34 ++++++++++++++++++++++ 3 files changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts index af3862e9fe3b..7650c20f02b4 100644 --- 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 73cb388d6ac1..3cc15b48cb15 100644 --- 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 0b68d244f2fb..1c53c68efd53 100644 --- 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>;