linux-kernel - RE: [PATCH 5/6] arm64: dts: fsd: Add I2S DAI node for Tesla FSD

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Message-ID: <00c201d8dfd0$3bc6b720$b3542560$@samsung.com>
Date:   Fri, 14 Oct 2022 18:54:02 +0530
From:   "Alim Akhtar" <alim.akhtar@...sung.com>
To:     "'Padmanabhan Rajanbabu'" <p.rajanbabu@...sung.com>,
        <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <s.nawrocki@...sung.com>,
        <perex@...ex.cz>, <tiwai@...e.com>, <pankaj.dubey@...sung.com>,
        <rcsekar@...sung.com>, <aswani.reddy@...sung.com>
Cc:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-samsung-soc@...r.kernel.org>
Subject: RE: [PATCH 5/6] arm64: dts: fsd: Add I2S DAI node for Tesla FSD



>-----Original Message-----
>From: Padmanabhan Rajanbabu [mailto:p.rajanbabu@...sung.com]
>Sent: Friday, October 14, 2022 3:52 PM
>To: lgirdwood@...il.com; broonie@...nel.org; robh+dt@...nel.org;
>krzysztof.kozlowski+dt@...aro.org; s.nawrocki@...sung.com;
>perex@...ex.cz; tiwai@...e.com; pankaj.dubey@...sung.com;
>alim.akhtar@...sung.com; rcsekar@...sung.com;
>aswani.reddy@...sung.com
>Cc: alsa-devel@...a-project.org; devicetree@...r.kernel.org; linux-
>kernel@...r.kernel.org; linux-samsung-soc@...r.kernel.org; Padmanabhan
>Rajanbabu <p.rajanbabu@...sung.com>
>Subject: [PATCH 5/6] arm64: dts: fsd: Add I2S DAI node for Tesla FSD
>
>Add device tree node for I2S0 and I2S1 CPU DAI instances for Tesla FSD board
>
>Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@...sung.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         | 38 ++++++++++++++++++++++
> 3 files changed, 60 insertions(+)
>
>diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts
>b/arch/arm64/boot/dts/tesla/fsd-evb.dts
>index 1db6ddf03f01..c0a4509499ab 100644
>--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
>+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
>@@ -41,3 +41,11 @@
> &ufs {
> 	status = "okay";
> };
>+
>+&tdm_0 {
>+	status = "okay";
>+};
>+
>+&tdm_1 {
>+	status = "okay";
>+};
>diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
>b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
>index e3852c946352..ff6f5d4b16dd 100644
>--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
>+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
>@@ -339,6 +339,20 @@
> 		samsung,pin-pud = <FSD_PIN_PULL_UP>;
> 		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
> 	};
>+
>+	i2s0_bus: i2s0-bus {
>+		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 {
>+		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 f35bc5a288c2..5decad45a1b6 100644
>--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
>+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
>@@ -32,6 +32,8 @@
> 		spi0 = &spi_0;
> 		spi1 = &spi_1;
> 		spi2 = &spi_2;
>+		tdm0 = &tdm_0;
>+		tdm1 = &tdm_1;
> 	};
>
> 	cpus {
>@@ -809,6 +811,42 @@
> 			status = "disabled";
> 		};
>
>+		tdm_0: tdm@...e0000 {
>+			compatible = "samsung,exynos7-i2s";
>+			reg = <0x0 0x140E0000 0x0 0x100>;
Address should be all in small caps
Make sure you have run 'make dtbs_check' 

>+			interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>;
>+			dmas = <&pdma1 14>, <&pdma1 13>, <&pdma1 12>;
>+			dma-names = "tx", "rx", "tx-sec";
>+			#clock-cells = <1>;
>+			#sound-dai-cells = <1>;
>+			clocks = <&clock_peric PERIC_HCLK_TDM0>,
>+				 <&clock_peric PERIC_HCLK_TDM0>,
>+				 <&clock_peric PERIC_PCLK_TDM0>;
>+			clock-names = "i2s_opclk0", "i2s_opclk1", "iis";
>+			pinctrl-names = "default";
>+			pinctrl-0 = <&i2s0_bus>;
>+			samsung,sec-dai-id = <0>;
>+			status = "disabled";
>+		};
>+
>+		tdm_1: tdm@...f0000 {
>+			compatible = "samsung,exynos7-i2s";
>+			reg = <0x0 0x140F0000 0x0 0x100>;
Same as above

>+			interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
>+			dmas = <&pdma1 17>, <&pdma1 16>, <&pdma1 15>;
>+			dma-names = "tx", "rx", "tx-sec";
>+			#clock-cells = <1>;
>+			#sound-dai-cells = <1>;
>+			clocks = <&clock_peric PERIC_HCLK_TDM1>,
>+				 <&clock_peric PERIC_HCLK_TDM1>,
>+				 <&clock_peric PERIC_PCLK_TDM1>;
>+			clock-names = "i2s_opclk0", "i2s_opclk1", "iis";
>+			pinctrl-names = "default";
>+			pinctrl-0 = <&i2s1_bus>;
>+			samsung,sec-dai-id = <1>;
>+			status = "disabled";
>+		};
>+
> 		timer@...40000 {
> 			compatible = "tesla,fsd-mct", "samsung,exynos4210-
>mct";
> 			reg = <0x0 0x10040000 0x0 0x800>;
>--
>2.17.1