On 16/01/23 12:44, Sinthu Raja wrote: > From: Sinthu Raja <sinthu.raja@xxxxxx> > > 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@xxxxxx> > --- > > No changes in V4 & V5 > > Changes in V3: > ============= > *Address review comments: > - Remove the unused nodes that are disabled by default. > - Update the gpio regulator node: gpio-regulator-tlv to "regulator-tlv". > > Changes in V2: > ============= > *Address the review comments: > - Update the commit description. > - Update the regulator nodes: fixedregulator to "regulator-" > - Update the commit $subject to align with rest of the commits. > - Drop the blank lines > - Change the node names that are added with underscore("_") with "-" > > V1: https://lore.kernel.org/linux-arm-kernel/20221018123849.23695-4-sinthu.raja@xxxxxx/ > V2: https://lore.kernel.org/lkml/20221107123852.8063-4-sinthu.raja@xxxxxx/ > V3: https://lore.kernel.org/lkml/20230110110052.14851-4-sinthu.raja@xxxxxx/ > V4: https://lore.kernel.org/lkml/20230105151740.29436-4-sinthu.raja@xxxxxx/ > > arch/arm64/boot/dts/ti/Makefile | 2 + > .../boot/dts/ti/k3-am68-sk-base-board.dts | 335 ++++++++++++++++++ > 2 files changed, 337 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts > > diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile > index cf7c509538a4..1b4e8b573de5 100644 > --- a/arch/arm64/boot/dts/ti/Makefile > +++ b/arch/arm64/boot/dts/ti/Makefile > @@ -12,6 +12,8 @@ dtb-$(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 > index 000000000000..2091cd2431fb > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts > @@ -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>; Tested-by: Vaishnav Achath <vaishnav.a@xxxxxx> > +}; -- Regards, Vaishnav
