linux-kernel - [PATCH 1/2] arm64: dts: ti: k3-am69-sk: Enable CAN interfaces for AM69 SK board

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Message-Id: <20240118153524.4135901-2-sabiya.d@ti.com>
Date: Thu, 18 Jan 2024 21:05:23 +0530
From: sabiya.d@...tralsolutions.com
To: nm@...com,
	vigneshr@...com,
	kristo@...nel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	linus.walleij@...aro.org
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	u-kumar1@...com,
	sabiya.d@...tralsolutions.com,
	Dasnavis Sabiya <sabiya.d@...com>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am69-sk: Enable CAN interfaces for AM69 SK board

From: Dasnavis Sabiya <sabiya.d@...com>

AM69 SK board has several CAN bus interfaces on both MCU and MAIN domains.
This enables the CAN interfaces on MCU and MAIN domain.

Signed-off-by: Dasnavis Sabiya <sabiya.d@...com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 85 +++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index 370980eb59b0..feb571a5a0f5 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -29,6 +29,10 @@ aliases {
 		i2c0 = &wkup_i2c0;
 		i2c3 = &main_i2c0;
 		ethernet0 = &mcu_cpsw_port1;
+		can0 = &mcu_mcan0;
+		can1 = &mcu_mcan1;
+		can2 = &main_mcan6;
+		can3 = &main_mcan7;
 	};
 
 	memory@...00000 {
@@ -321,6 +325,31 @@ tfp410_out: endpoint {
 			};
 		};
 	};
+
+	transceiver1: can-phy0 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+	};
+
+	transceiver2: can-phy1 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+	};
+
+	transceiver3: can-phy2 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+	};
+
+	transceiver4: can-phy3 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+	};
+
 };
 
 &main_pmx0 {
@@ -429,6 +458,20 @@ hdmi_hpd_pins_default: hdmi-hpd-default-pins {
 			J784S4_IOPAD(0x000, PIN_INPUT, 7) /* (AN35) EXTINTN.GPIO0_0 */
 		>;
 	};
+
+	main_mcan6_pins_default: main-mcan6-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x098, PIN_INPUT, 0) /* (AH36) MCAN6_RX */
+			J784S4_IOPAD(0x094, PIN_OUTPUT, 0) /* (AG35) MCAN6_TX */
+		>;
+	};
+
+	main_mcan7_pins_default: main-mcan7-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0A0, PIN_INPUT, 0) /* (AD34) MCAN7_RX */
+			J784S4_IOPAD(0x09C, PIN_OUTPUT, 0) /* (AF35) MCAN7_TX */
+		>;
+	};
 };
 
 &wkup_pmx2 {
@@ -525,6 +568,20 @@ hdmi_pdn_pins_default: hdmi-pdn-default-pins {
 			J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 7) /* (H37) WKUP_GPIO0_14 */
 		>;
 	};
+
+	mcu_mcan0_pins_default: mcu-mcan0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x054, PIN_INPUT, 0) /* (F38) MCU_MCAN0_RX */
+			J784S4_WKUP_IOPAD(0x050, PIN_OUTPUT, 0) /* (K33) MCU_MCAN0_TX */
+		>;
+	};
+
+	mcu_mcan1_pins_default: mcu-mcan1-default-pins {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (K36) WKUP_GPIO0_5.MCU_MCAN1_RX */
+			J784S4_WKUP_IOPAD(0x068, PIN_OUTPUT, 0)/* (H35) WKUP_GPIO0_4.MCU_MCAN1_TX */
+		>;
+	};
 };
 
 &wkup_pmx3 {
@@ -988,3 +1045,31 @@ dp0_out: endpoint {
 		};
 	};
 };
+
+&mcu_mcan0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_mcan0_pins_default>;
+	phys = <&transceiver1>;
+};
+
+&mcu_mcan1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_mcan1_pins_default>;
+	phys = <&transceiver2>;
+};
+
+&main_mcan6 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcan6_pins_default>;
+	phys = <&transceiver3>;
+};
+
+&main_mcan7 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcan7_pins_default>;
+	phys = <&transceiver4>;
+};
-- 
2.34.1