arm64: dts: fsd: Add MCAN device node

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>
Signed-off-by: Vivek Yadav <vivek.2311@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Link: https://lore.kernel.org/r/20221207100632.96200-3-vivek.2311@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 1db6ddf..af3862e 100644 (file)
--- 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 e3852c9..73cb388 100644 (file)
--- 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_LV4>;
        };
+
+       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 d58d476..81921b6 100644 (file)
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -757,6 +757,74 @@
                        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>;