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    SubjectRe: [PATCH v5 4/6] arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu and main mcan nodes
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    On 22/11/21 7:11 pm, Aswath Govindraju wrote:
    > From: Faiz Abbas <faiz_abbas@ti.com>
    >
    > Add four MCAN nodes present on the common processor board and set a
    > maximum data rate of 5 Mbps. Disable all other nodes as they
    > are not brought out on the common processor board.
    >
    > Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
    > Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>

    Reviewed-by: Apurva Nandan <a-nandan@ti.com>

    > ---
    > .../dts/ti/k3-j721e-common-proc-board.dts | 155 ++++++++++++++++++
    > 1 file changed, 155 insertions(+)
    >
    > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
    > index dc2bc67f9f48..2d7596911b27 100644
    > --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
    > +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
    > @@ -112,6 +112,42 @@
    > "cpb-codec-scki",
    > "cpb-codec-scki-48000", "cpb-codec-scki-44100";
    > };
    > +
    > + transceiver1: can-phy0 {
    > + compatible = "ti,tcan1043";
    > + #phy-cells = <0>;
    > + max-bitrate = <5000000>;
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&mcu_mcan0_gpio_pins_default>;
    > + standby-gpios = <&wkup_gpio0 54 GPIO_ACTIVE_LOW>;
    > + enable-gpios = <&wkup_gpio0 0 GPIO_ACTIVE_HIGH>;
    > + };
    > +
    > + transceiver2: can-phy1 {
    > + compatible = "ti,tcan1042";
    > + #phy-cells = <0>;
    > + max-bitrate = <5000000>;
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&mcu_mcan1_gpio_pins_default>;
    > + standby-gpios = <&wkup_gpio0 2 GPIO_ACTIVE_HIGH>;
    > + };
    > +
    > + transceiver3: can-phy2 {
    > + compatible = "ti,tcan1043";
    > + #phy-cells = <0>;
    > + max-bitrate = <5000000>;
    > + standby-gpios = <&exp2 7 GPIO_ACTIVE_LOW>;
    > + enable-gpios = <&exp2 6 GPIO_ACTIVE_HIGH>;
    > + };
    > +
    > + transceiver4: can-phy3 {
    > + compatible = "ti,tcan1042";
    > + #phy-cells = <0>;
    > + max-bitrate = <5000000>;
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&main_mcan2_gpio_pins_default>;
    > + standby-gpios = <&main_gpio0 127 GPIO_ACTIVE_HIGH>;
    > + };
    > };
    >
    > &main_pmx0 {
    > @@ -207,6 +243,26 @@
    > J721E_IOPAD(0x1a4, PIN_OUTPUT, 3) /* (W26) RGMII6_RXC.AUDIO_EXT_REFCLK2 */
    > >;
    > };
    > +
    > + main_mcan0_pins_default: main-mcan0-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_IOPAD(0x208, PIN_INPUT, 0) /* (W5) MCAN0_RX */
    > + J721E_IOPAD(0x20c, PIN_OUTPUT, 0) /* (W6) MCAN0_TX */
    > + >;
    > + };
    > +
    > + main_mcan2_pins_default: main-mcan2-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_IOPAD(0x01f0, PIN_INPUT, 3) /* (AC2) MCAN2_RX.GPIO0_123 */
    > + J721E_IOPAD(0x01f4, PIN_OUTPUT, 3) /* (AB1) MCAN2_TX.GPIO0_124 */
    > + >;
    > + };
    > +
    > + main_mcan2_gpio_pins_default: main-mcan2-gpio-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_IOPAD(0x200, PIN_INPUT, 7) /* (AC4) UART1_CTSn.GPIO0_127 */
    > + >;
    > + };
    > };
    >
    > &wkup_pmx0 {
    > @@ -252,6 +308,33 @@
    > J721E_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* MCU_MDIO0_MDIO */
    > >;
    > };
    > +
    > + mcu_mcan0_pins_default: mcu-mcan0-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_WKUP_IOPAD(0xac, PIN_INPUT, 0) /* (C29) MCU_MCAN0_RX */
    > + J721E_WKUP_IOPAD(0xa8, PIN_OUTPUT, 0) /* (D29) MCU_MCAN0_TX */
    > + >;
    > + };
    > +
    > + mcu_mcan0_gpio_pins_default: mcu-mcan0-gpio-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_WKUP_IOPAD(0xb0, PIN_INPUT, 7) /* (F26) WKUP_GPIO0_0 */
    > + J721E_WKUP_IOPAD(0x98, PIN_INPUT, 7) /* (E28) MCU_SPI0_D1.WKUP_GPIO0_54 */
    > + >;
    > + };
    > +
    > + mcu_mcan1_pins_default: mcu-mcan1-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_WKUP_IOPAD(0xc4, PIN_INPUT, 0) /* (G24) WKUP_GPIO0_5.MCU_MCAN1_RX */
    > + J721E_WKUP_IOPAD(0xc0, PIN_OUTPUT, 0) /* (G25) WKUP_GPIO0_4.MCU_MCAN1_TX */
    > + >;
    > + };
    > +
    > + mcu_mcan1_gpio_pins_default: mcu-mcan1-gpio-pins-default {
    > + pinctrl-single,pins = <
    > + J721E_WKUP_IOPAD(0xb8, PIN_INPUT, 7) /* (F28) WKUP_GPIO0_2 */
    > + >;
    > + };
    > };
    >
    > &wkup_uart0 {
    > @@ -773,3 +856,75 @@
    > &icssg1_mdio {
    > status = "disabled";
    > };
    > +
    > +&mcu_mcan0 {
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&mcu_mcan0_pins_default>;
    > + phys = <&transceiver1>;
    > +};
    > +
    > +&mcu_mcan1 {
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&mcu_mcan1_pins_default>;
    > + phys = <&transceiver2>;
    > +};
    > +
    > +&main_mcan0 {
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&main_mcan0_pins_default>;
    > + phys = <&transceiver3>;
    > +};
    > +
    > +&main_mcan1 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan2 {
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&main_mcan2_pins_default>;
    > + phys = <&transceiver4>;
    > +};
    > +
    > +&main_mcan3 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan4 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan5 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan6 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan7 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan8 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan9 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan10 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan11 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan12 {
    > + status = "disabled";
    > +};
    > +
    > +&main_mcan13 {
    > + status = "disabled";
    > +};

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