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From:   Vivek Yadav <vivek.2311@samsung.com>
To:     rcsekar@samsung.com, krzysztof.kozlowski+dt@linaro.org,
        wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net,
        edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
        pankaj.dubey@samsung.com, ravi.patel@samsung.com,
        alim.akhtar@samsung.com, linux-fsd@tesla.com, robh+dt@kernel.org
Cc:     linux-can@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
        aswani.reddy@samsung.com, sriranjani.p@samsung.com,
        Vivek Yadav <vivek.2311@samsung.com>
Subject: [PATCH v2 4/6] arm64: dts: fsd: Add MCAN device node
Date:   Wed,  9 Nov 2022 15:39:26 +0530
Message-Id: <20221109100928.109478-5-vivek.2311@samsung.com>
In-Reply-To: <20221109100928.109478-1-vivek.2311@samsung.com>
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References: <20221109100928.109478-1-vivek.2311@samsung.com>
        <CGME20221109100258epcas5p2966d5e93e00d2a5b4e4a3096dc5a5ec6@epcas5p2.samsung.com>
Precedence: bulk

Add MCAN device node and enable the same for FSD platform.
This also adds the required pin configuration for the same.

Signed-off-by: Sriranjani P <sriranjani.p@samsung.com>
Cc: devicetree@vger.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Vivek Yadav <vivek.2311@samsung.com>
---
 arch/arm64/boot/dts/tesla/fsd-evb.dts      | 16 +++++
 arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 28 +++++++++
 arch/arm64/boot/dts/tesla/fsd.dtsi         | 68 ++++++++++++++++++++++
 3 files changed, 112 insertions(+)

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 1db6ddf03f01..af3862e9fe3b 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -34,6 +34,22 @@
 	clock-frequency = <24000000>;
 };
 
+&m_can0 {
+	status = "okay";
+};
+
+&m_can1 {
+	status = "okay";
+};
+
+&m_can2 {
+	status = "okay";
+};
+
+&m_can3 {
+	status = "okay";
+};
+
 &serial_0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index d0abb9aa0e9e..bb5289ebfef3 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -339,6 +339,34 @@
 		samsung,pin-pud = <FSD_PIN_PULL_UP>;
 		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
+
+	m_can0_bus: m-can0-bus-pins {
+		samsung,pins = "gpd0-0", "gpd0-1";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+	};
+
+	m_can1_bus: m-can1-bus-pins {
+		samsung,pins = "gpd0-2", "gpd0-3";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+	};
+
+	m_can2_bus: m-can2-bus-pins {
+		samsung,pins = "gpd0-4", "gpd0-5";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+	};
+
+	m_can3_bus: m-can3-bus-pins {
+		samsung,pins = "gpd0-6", "gpd0-7";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		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 3d8ebbfc27f4..154fd3fc5895 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -765,6 +765,74 @@
 			interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		m_can0: can@14088000 {
+			compatible = "bosch,m_can";
+			reg = <0x0 0x14088000 0x0 0x0200>,
+				<0x0 0x14080000 0x0 0x8000>;
+			reg-names = "m_can", "message_ram";
+			interrupts = <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>,
+					<GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "int0", "int1";
+			pinctrl-names = "default";
+			pinctrl-0 = <&m_can0_bus>;
+			clocks = <&clock_peric PERIC_MCAN0_IPCLKPORT_PCLK>,
+				<&clock_peric PERIC_MCAN0_IPCLKPORT_CCLK>;
+			clock-names = "hclk", "cclk";
+			bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
+			status = "disabled";
+		};
+
+		m_can1: can@14098000 {
+			compatible = "bosch,m_can";
+			reg = <0x0 0x14098000 0x0 0x0200>,
+				<0x0 0x14090000 0x0 0x8000>;
+			reg-names = "m_can", "message_ram";
+			interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
+					<GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "int0", "int1";
+			pinctrl-names = "default";
+			pinctrl-0 = <&m_can1_bus>;
+			clocks = <&clock_peric PERIC_MCAN1_IPCLKPORT_PCLK>,
+				<&clock_peric PERIC_MCAN1_IPCLKPORT_CCLK>;
+			clock-names = "hclk", "cclk";
+			bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
+			status = "disabled";
+		};
+
+		m_can2: can@140a8000 {
+			compatible = "bosch,m_can";
+			reg = <0x0 0x140a8000 0x0 0x0200>,
+				<0x0 0x140a0000 0x0 0x8000>;
+			reg-names = "m_can", "message_ram";
+			interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
+					<GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "int0", "int1";
+			pinctrl-names = "default";
+			pinctrl-0 = <&m_can2_bus>;
+			clocks = <&clock_peric PERIC_MCAN2_IPCLKPORT_PCLK>,
+				<&clock_peric PERIC_MCAN2_IPCLKPORT_CCLK>;
+			clock-names = "hclk", "cclk";
+			bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
+			status = "disabled";
+		};
+
+		m_can3: can@140b8000 {
+			compatible = "bosch,m_can";
+			reg = <0x0 0x140b8000 0x0 0x0200>,
+				<0x0 0x140b0000 0x0 0x8000>;
+			reg-names = "m_can", "message_ram";
+			interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+					<GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "int0", "int1";
+			pinctrl-names = "default";
+			pinctrl-0 = <&m_can3_bus>;
+			clocks = <&clock_peric PERIC_MCAN3_IPCLKPORT_PCLK>,
+				<&clock_peric PERIC_MCAN3_IPCLKPORT_CCLK>;
+			clock-names = "hclk", "cclk";
+			bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
+			status = "disabled";
+		};
+
 		spi_0: spi@14140000 {
 			compatible = "tesla,fsd-spi";
 			reg = <0x0 0x14140000 0x0 0x100>;
-- 
2.17.1