From 87d60c4663b6eb964cca6a03adfcf8976f374559 Mon Sep 17 00:00:00 2001 From: Faiz Abbas Date: Mon, 22 Nov 2021 19:11:56 +0530 Subject: [PATCH] arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu and main mcan nodes 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 Signed-off-by: Aswath Govindraju Signed-off-by: Vignesh Raghavendra Reviewed-by: Apurva Nandan Link: https://lore.kernel.org/r/20211122134159.29936-5-a-govindraju@ti.com --- .../boot/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 dc2bc67..2d75969 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"; +}; -- 2.7.4