Enable CANFD on RZ/G2L SMARC platform.
Signed-off-by: Lad Prabhakar <[email protected]>
Reviewed-by: Biju Das <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
---
v2:
-> Corrected STB pin states
---
arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 40 ++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index e895f6e7fa28..a02784fab46a 100644
--- 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;
--
2.17.1