arm64: dts: renesas: rzg2l-smarc: Enable CANFD

Enable CANFD on RZ/G2L SMARC platform.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210924102338.11595-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index e895f6e..a02784f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -80,6 +80,20 @@
        clock-frequency = <12288000>;
 };
 
+&canfd {
+       pinctrl-0 = <&can0_pins &can1_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+
+       channel0 {
+               status = "okay";
+       };
+
+       channel1 {
+               status = "okay";
+       };
+};
+
 &ehci0 {
        dr_mode = "otg";
        status = "okay";
@@ -139,6 +153,32 @@
        pinctrl-0 = <&sound_clk_pins>;
        pinctrl-names = "default";
 
+       can0_pins: can0 {
+               pinmux = <RZG2L_PORT_PINMUX(10, 1, 2)>, /* TX */
+                        <RZG2L_PORT_PINMUX(11, 0, 2)>; /* RX */
+       };
+
+       /* SW7 should be at position 2->3 so that GPIO8_CAN0_STB line is activated */
+       can0-stb {
+               gpio-hog;
+               gpios = <RZG2L_GPIO(42, 2) GPIO_ACTIVE_HIGH>;
+               output-low;
+               line-name = "can0_stb";
+       };
+
+       can1_pins: can1 {
+               pinmux = <RZG2L_PORT_PINMUX(12, 1, 2)>, /* TX */
+                        <RZG2L_PORT_PINMUX(13, 0, 2)>; /* RX */
+       };
+
+       /* SW8 should be at position 2->3 so that GPIO9_CAN1_STB line is activated */
+       can1-stb {
+               gpio-hog;
+               gpios = <RZG2L_GPIO(42, 3) GPIO_ACTIVE_HIGH>;
+               output-low;
+               line-name = "can1_stb";
+       };
+
        i2c0_pins: i2c0 {
                pins = "RIIC0_SDA", "RIIC0_SCL";
                input-enable;