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Date: Tue, 21 Dec 2021 13:48:06 +0530
From: Aswath Govindraju <a-govindraju@...com>
To: unlisted-recipients:; (no To-header on input)
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Rob Herring <robh+dt@...nel.org>,
Tero Kristo <kristo@...nel.org>,
Vignesh Raghavendra <vigneshr@...com>,
Nishanth Menon <nm@...com>,
Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH v4 5/5] arch: arm64: ti: Add support J721S2 Common Processor Board
The EVM architecture for J721S2 is similar to that of J721E and J7200. It
is as follows,
+------------------------------------------------------+
| +-------------------------------------------+ |
| | | |
| | Add-on Card 1 Options | |
| | | |
| +-------------------------------------------+ |
| |
| |
| +-------------------+ |
| | | |
| | SOM | |
| +--------------+ | | |
| | | | | |
| | Add-on | +-------------------+ |
| | Card 2 | | Power Supply
| | Options | | |
| | | | |
| +--------------+ | <---
+------------------------------------------------------+
Common Processor Board
Common Processor board is the baseboard that contains most of the actual
connectors, power supply etc. The System on Module (SoM) is plugged on to
the common processor baord. Therefore, add support for peripherals brought
out in the common processor board.
Common Processor Board: https://www.ti.com/tool/J721EXCPXEVM
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
Reviewed-by: Kishon Vijay Abraham I <kishon@...com>
---
arch/arm64/boot/dts/ti/Makefile | 2 +
.../dts/ti/k3-j721s2-common-proc-board.dts | 430 ++++++++++++++++++
2 files changed, 432 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 71f6097d4621..90be511bc4d0 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -17,5 +17,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb
+
dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
new file mode 100644
index 000000000000..10a3c6c1f53b
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -0,0 +1,430 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Common Processor Board: https://www.ti.com/tool/J721EXCPXEVM
+ */
+
+/dts-v1/;
+
+#include "k3-j721s2-som-p0.dtsi"
+#include <dt-bindings/net/ti-dp83867.h>
+
+/ {
+ compatible = "ti,j721s2-evm", "ti,j721s2";
+ model = "Texas Instruments J721S2 EVM";
+
+ chosen {
+ stdout-path = "serial2:115200n8";
+ bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,2880000";
+ };
+
+ aliases {
+ serial2 = &main_uart8;
+ mmc0 = &main_sdhci0;
+ mmc1 = &main_sdhci1;
+ can0 = &main_mcan16;
+ can1 = &mcu_mcan0;
+ can2 = &mcu_mcan1;
+ };
+
+ evm_12v0: fixedregulator-evm12v0 {
+ /* main supply */
+ compatible = "regulator-fixed";
+ regulator-name = "evm_12v0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vsys_3v3: fixedregulator-vsys3v3 {
+ /* Output of LM5140 */
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&evm_12v0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vsys_5v0: fixedregulator-vsys5v0 {
+ /* Output of LM5140 */
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&evm_12v0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_mmc1: fixedregulator-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 = <&exp2 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ vdd_sd_dv: gpio-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_5v0>;
+ gpios = <&main_gpio0 8 GPIO_ACTIVE_HIGH>;
+ states = <1800000 0x0>,
+ <3300000 0x1>;
+ };
+
+ transceiver1: can-phy1 {
+ compatible = "ti,tcan1043";
+ #phy-cells = <0>;
+ max-bitrate = <5000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_mcan0_gpio_pins_default>;
+ standby-gpios = <&wkup_gpio0 69 GPIO_ACTIVE_LOW>;
+ enable-gpios = <&wkup_gpio0 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ transceiver2: can-phy2 {
+ 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>;
+ };
+
+};
+
+&main_pmx0 {
+ main_uart8_pins_default: main-uart8-pins-default {
+ pinctrl-single,pins = <
+ J721S2_IOPAD(0x040, PIN_INPUT, 14) /* (AC28) MCASP0_AXR0.UART8_CTSn */
+ J721S2_IOPAD(0x044, PIN_OUTPUT, 14) /* (Y26) MCASP0_AXR1.UART8_RTSn */
+ J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26) SPI0_CS1.UART8_RXD */
+ J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27) SPI0_CLK.UART8_TXD */
+ >;
+ };
+
+ main_i2c3_pins_default: main-i2c3-pins-default {
+ pinctrl-single,pins = <
+ J721S2_IOPAD(0x064, PIN_INPUT_PULLUP, 13) /* (W28) MCAN0_TX.I2C3_SCL */
+ J721S2_IOPAD(0x060, PIN_INPUT_PULLUP, 13) /* (AC27) MCASP2_AXR1.I2C3_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(0x100, PIN_INPUT, 0) /* (###) MMC1_CLKLB */
+ 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(0x020, PIN_INPUT, 7) /* (AA23) MCAN15_RX.GPIO0_8 */
+ >;
+ };
+};
+
+&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_mcan0_gpio_pins_default: mcu-mcan0-gpio-pins-default {
+ pinctrl-single,pins = <
+ J721S2_WKUP_IOPAD(0x0c0, PIN_INPUT, 7) /* (D26) WKUP_GPIO0_0 */
+ J721S2_WKUP_IOPAD(0x0a8, PIN_INPUT, 7) /* (B25) MCU_SPI0_D1.WKUP_GPIO0_69 */
+ >;
+ };
+
+ mcu_mcan1_gpio_pins_default: mcu-mcan1-gpio-pins-default {
+ pinctrl-single,pins = <
+ J721S2_WKUP_IOPAD(0x0c8, PIN_INPUT, 7) /* (C28) WKUP_GPIO0_2 */
+ >;
+ };
+};
+
+&main_gpio2 {
+ status = "disabled";
+};
+
+&main_gpio4 {
+ status = "disabled";
+};
+
+&main_gpio6 {
+ status = "disabled";
+};
+
+&wkup_gpio1 {
+ status = "disabled";
+};
+
+&wkup_uart0 {
+ status = "reserved";
+};
+
+&main_uart0 {
+ status = "disabled";
+};
+
+&main_uart1 {
+ status = "disabled";
+};
+
+&main_uart2 {
+ status = "disabled";
+};
+
+&main_uart3 {
+ status = "disabled";
+};
+
+&main_uart4 {
+ status = "disabled";
+};
+
+&main_uart5 {
+ status = "disabled";
+};
+
+&main_uart6 {
+ status = "disabled";
+};
+
+&main_uart7 {
+ status = "disabled";
+};
+
+&main_uart8 {
+ 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_uart9 {
+ status = "disabled";
+};
+
+&main_i2c0 {
+ clock-frequency = <400000>;
+
+ exp1: gpio@20 {
+ compatible = "ti,tca6416";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "PCIE_2L_MODE_SEL", "PCIE_2L_PERSTZ", "PCIE_2L_RC_RSTZ",
+ "PCIE_2L_EP_RST_EN", "PCIE_1L_MODE_SEL", "PCIE_1L_PERSTZ",
+ "PCIE_1L_RC_RSTZ", "PCIE_1L_EP_RST_EN", "PCIE_2L_PRSNT#",
+ "PCIE_1L_PRSNT#", "CDCI1_OE1/OE4", "CDCI1_OE2/OE3", "EXP_MUX1",
+ "EXP_MUX2", "EXP_MUX3", "GESI_EXP_PHY_RSTz";
+ };
+
+ exp2: gpio@22 {
+ compatible = "ti,tca6424";
+ reg = <0x22>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "APPLE_AUTH_RSTZ", "MLB_RSTZ", "GPIO_USD_PWR_EN", "USBC_PWR_EN",
+ "USBC_MODE_SEL1", "USBC_MODE_SEL0", "MCAN0_EN", "MCAN0_STB#",
+ "MUX_SPAREMUX_SPARE", "MCASP/TRACE_MUX_S0", "MCASP/TRACE_MUX_S1",
+ "MLB_MUX_SEL", "MCAN_MUX_SEL", "MCASP2/SPI3_MUX_SEL", "PCIe_CLKREQn_MUX_SEL",
+ "CDCI2_RSTZ", "ENET_EXP_PWRDN", "ENET_EXP_RESETZ", "ENET_I2CMUX_SEL",
+ "ENET_EXP_SPARE2", "M2PCIE_RTSZ", "USER_INPUT1", "USER_LED1", "USER_LED2";
+ };
+};
+
+&main_i2c1 {
+ status = "disabled";
+};
+
+&main_i2c2 {
+ status = "disabled";
+};
+
+&main_i2c3 {
+ status = "disabled";
+};
+
+&main_i2c4 {
+ status = "disabled";
+};
+
+&main_i2c5 {
+ status = "disabled";
+};
+
+&main_i2c6 {
+ status = "disabled";
+};
+
+&main_sdhci0 {
+ /* eMMC */
+ non-removable;
+ ti,driver-strength-ohm = <50>;
+ disable-wp;
+};
+
+&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 {
+ 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 {
+ status = "disabled";
+};
+
+&main_mcan1 {
+ status = "disabled";
+};
+
+&main_mcan2 {
+ status = "disabled";
+};
+
+&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";
+};
+
+&main_mcan14 {
+ status = "disabled";
+};
+
+&main_mcan15 {
+ status = "disabled";
+};
+
+&main_mcan17 {
+ status = "disabled";
+};
--
2.17.1
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