arm64: dts: ti: k3-am68-sk: Add support for AM68 SK base board
authorSinthu Raja <sinthu.raja@ti.com>
Mon, 16 Jan 2023 07:14:46 +0000 (12:44 +0530)
committerVignesh Raghavendra <vigneshr@ti.com>
Sun, 22 Jan 2023 08:50:59 +0000 (14:20 +0530)
The SK architecture comprises of baseboard and a SOM board. The
AM68 Starter Kit's baseboard contains most of the actual connectors,
power supply etc. The System on Module (SoM) is plugged on to the base
board. Therefore, add support for peripherals brought out in the base
board.

Schematics: https://www.ti.com/lit/zip/SPRR463

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Tested-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230116071446.28867-4-sinthu.raja@ti.com
arch/arm64/boot/dts/ti/Makefile
arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts [new file with mode: 0644]

index e7c2c7d..c94a877 100644 (file)
@@ -12,6 +12,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb
 
+dtb-$(CONFIG_ARCH_K3) += k3-am68-sk-base-board.dtb
+
 dtb-$(CONFIG_ARCH_K3) += k3-j721e-beagleboneai64.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-j721e-common-proc-board.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
new file mode 100644 (file)
index 0000000..2091cd2
--- /dev/null
@@ -0,0 +1,335 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Base Board: https://www.ti.com/lit/zip/SPRR463
+ */
+
+/dts-v1/;
+
+#include "k3-am68-sk-som.dtsi"
+#include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/phy/phy-cadence.h>
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/mux/ti-serdes.h>
+
+/ {
+       compatible = "ti,am68-sk", "ti,j721s2";
+       model = "Texas Instruments AM68 SK";
+
+       chosen {
+               stdout-path = "serial2:115200n8";
+       };
+
+       aliases {
+               serial2 = &main_uart8;
+               mmc1 = &main_sdhci1;
+               can0 = &mcu_mcan0;
+               can1 = &mcu_mcan1;
+               can2 = &main_mcan6;
+               can3 = &main_mcan7;
+       };
+
+       vusb_main: regulator-vusb-main5v0 {
+               /* USB MAIN INPUT 5V DC */
+               compatible = "regulator-fixed";
+               regulator-name = "vusb-main5v0";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
+       vsys_3v3: regulator-vsys3v3 {
+               /* Output of LM5141 */
+               compatible = "regulator-fixed";
+               regulator-name = "vsys_3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vusb_main>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
+       vdd_mmc1: regulator-sd {
+               /* Output of TPS22918 */
+               compatible = "regulator-fixed";
+               regulator-name = "vdd_mmc1";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               enable-active-high;
+               vin-supply = <&vsys_3v3>;
+               gpio = <&exp1 10 GPIO_ACTIVE_HIGH>;
+       };
+
+       vdd_sd_dv: regulator-tlv71033 {
+               /* Output of TLV71033 */
+               compatible = "regulator-gpio";
+               regulator-name = "tlv71033";
+               pinctrl-names = "default";
+               pinctrl-0 = <&vdd_sd_dv_pins_default>;
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               vin-supply = <&vsys_3v3>;
+               gpios = <&main_gpio0 49 GPIO_ACTIVE_HIGH>;
+               states = <1800000 0x0>,
+                        <3300000 0x1>;
+       };
+
+       vsys_io_1v8: regulator-vsys-io-1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "vsys_io_1v8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
+       vsys_io_1v2: regulator-vsys-io-1v2 {
+               compatible = "regulator-fixed";
+               regulator-name = "vsys_io_1v2";
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
+       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 {
+       main_uart8_pins_default: main-uart8-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26) SPI0_CS1.UART8_RXD */
+                       J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27) SPI0_CLK.UART8_TXD */
+               >;
+       };
+
+       main_i2c0_pins_default: main-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x0e0, PIN_INPUT, 0) /* (AH25) I2C0_SCL */
+                       J721S2_IOPAD(0x0e4, PIN_INPUT, 0) /* (AE24) I2C0_SDA */
+               >;
+       };
+
+       main_mmc1_pins_default: main-mmc1-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */
+                       J721S2_IOPAD(0x108, PIN_INPUT, 0) /* (N24) MMC1_CMD */
+                       J721S2_IOPAD(0x0fc, PIN_INPUT, 0) /* (M23) MMC1_DAT0 */
+                       J721S2_IOPAD(0x0f8, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
+                       J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */
+                       J721S2_IOPAD(0x0f0, PIN_INPUT, 0) /* (R22) MMC1_DAT3 */
+                       J721S2_IOPAD(0x0e8, PIN_INPUT, 8) /* (AE25) TIMER_IO0.MMC1_SDCD */
+               >;
+       };
+
+       vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x0c4, PIN_INPUT, 7) /* (AB26) ECAP0_IN_APWM_OUT.GPIO0_49 */
+               >;
+       };
+
+       main_usbss0_pins_default: main-usbss0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x0ec, PIN_OUTPUT, 6) /* (AG25) TIMER_IO1.USB0_DRVVBUS */
+               >;
+       };
+
+       main_mcan6_pins_default: main-mcan6-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x098, PIN_INPUT, 0) /* (V25) MCASP0_AXR10.MCAN6_RX */
+                       J721S2_IOPAD(0x094, PIN_INPUT, 0) /* (AA25) MCASP0_AXR9.MCAN6_TX */
+               >;
+       };
+
+       main_mcan7_pins_default: main-mcan7-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_IOPAD(0x0a0, PIN_INPUT, 0) /* (AB25) MCASP0_AXR12.MCAN7_RX */
+                       J721S2_IOPAD(0x09c, PIN_INPUT, 0) /* (T24) MCASP0_AXR11.MCAN7_TX */
+               >;
+       };
+};
+
+&wkup_pmx0 {
+       mcu_cpsw_pins_default: mcu-cpsw-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x094, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */
+                       J721S2_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B21) MCU_RGMII1_RD1 */
+                       J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C22) MCU_RGMII1_RD2 */
+                       J721S2_WKUP_IOPAD(0x088, PIN_INPUT, 0) /* (D23) MCU_RGMII1_RD3 */
+                       J721S2_WKUP_IOPAD(0x084, PIN_INPUT, 0) /* (D22) MCU_RGMII1_RXC */
+                       J721S2_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (E23) MCU_RGMII1_RX_CTL */
+                       J721S2_WKUP_IOPAD(0x07c, PIN_OUTPUT, 0) /* (F23) MCU_RGMII1_TD0 */
+                       J721S2_WKUP_IOPAD(0x078, PIN_OUTPUT, 0) /* (G22) MCU_RGMII1_TD1 */
+                       J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (E21) MCU_RGMII1_TD2 */
+                       J721S2_WKUP_IOPAD(0x070, PIN_OUTPUT, 0) /* (E22) MCU_RGMII1_TD3 */
+                       J721S2_WKUP_IOPAD(0x080, PIN_OUTPUT, 0) /* (F21) MCU_RGMII1_TXC */
+                       J721S2_WKUP_IOPAD(0x068, PIN_OUTPUT, 0) /* (F22) MCU_RGMII1_TX_CTL */
+               >;
+       };
+
+       mcu_mdio_pins_default: mcu-mdio-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A21) MCU_MDIO0_MDC */
+                       J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (A22) MCU_MDIO0_MDIO */
+               >;
+       };
+
+       mcu_mcan0_pins_default: mcu-mcan0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x0bc, PIN_INPUT, 0) /* (E28) MCU_MCAN0_RX */
+                       J721S2_WKUP_IOPAD(0x0b8, PIN_OUTPUT, 0) /* (E27) MCU_MCAN0_TX */
+               >;
+       };
+
+       mcu_mcan1_pins_default: mcu-mcan1-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x0d4, PIN_INPUT, 0) /* (F26) WKUP_GPIO0_5.MCU_MCAN1_RX */
+                       J721S2_WKUP_IOPAD(0x0d0, PIN_OUTPUT, 0) /* (C23) WKUP_GPIO0_4.MCU_MCAN1_TX*/
+               >;
+       };
+
+       mcu_i2c1_pins_default: mcu-i2c1-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x0e0, PIN_INPUT, 0) /* (F24) WKUP_GPIO0_8.MCU_I2C1_SCL */
+                       J721S2_WKUP_IOPAD(0x0e4, PIN_INPUT, 0) /* (H26) WKUP_GPIO0_9.MCU_I2C1_SDA */
+               >;
+       };
+};
+
+&main_gpio2 {
+       status = "disabled";
+};
+
+&main_gpio4 {
+       status = "disabled";
+};
+
+&main_gpio6 {
+       status = "disabled";
+};
+
+&wkup_gpio0 {
+       status = "disabled";
+};
+
+&wkup_gpio1 {
+       status = "disabled";
+};
+
+&wkup_uart0 {
+       status = "reserved";
+};
+
+&main_uart8 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_uart8_pins_default>;
+       /* Shared with TFA on this platform */
+       power-domains = <&k3_pds 357 TI_SCI_PD_SHARED>;
+};
+
+&main_i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_i2c0_pins_default>;
+       clock-frequency = <400000>;
+
+       exp1: gpio@21 {
+               compatible = "ti,tca6416";
+               reg = <0x21>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-line-names = "CSI_VIO_SEL", "CSI_SEL_FPC_EXPn", "HDMI_PDn",
+                                       "HDMI_LS_OE", "DP0_3V3 _EN", "BOARDID_EEPROM_WP",
+                                       "CAN_STB", " ", "GPIO_uSD_PWR_EN", "eDP_ENABLE",
+                                       "IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_MCU_RGMII_RSTz",
+                                       "IO_EXP_CSI2_EXP_RSTz", " ", "CSI0_B_GPIO1",
+                                       "CSI1_B_GPIO1";
+       };
+};
+
+&main_sdhci0 {
+       /* Unused */
+       status = "disabled";
+};
+
+&main_sdhci1 {
+       /* SD card */
+       pinctrl-0 = <&main_mmc1_pins_default>;
+       pinctrl-names = "default";
+       disable-wp;
+       vmmc-supply = <&vdd_mmc1>;
+       vqmmc-supply = <&vdd_sd_dv>;
+};
+
+&mcu_cpsw {
+       pinctrl-names = "default";
+       pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>;
+};
+
+&davinci_mdio {
+       phy0: ethernet-phy@0 {
+               reg = <0>;
+               ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+               ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+               ti,min-output-impedance;
+       };
+};
+
+&cpsw_port1 {
+       phy-mode = "rgmii-rxid";
+       phy-handle = <&phy0>;
+};
+
+&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>;
+};