arm64: dts: ti: k3-am62p-verdin: Add Zinnia

Add Zinnia Carrier Board mated with Verdin AM62P.

It features 1 x RS232, 1 x RS485, 1 x CAN, 3 x isolated digital I/O,
2 x 1GBit/s Ethernet, a mini PCIe slot with USB / SIM card connector
for a modem, USB and SD card interfaces.

Link: https://www.toradex.com/products/carrier-board/zinnia-carrier-board
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-8-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin-zinnia.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-verdin-zinnia.dtsi
new file mode 100644 (file)
index 0000000..84ae99d
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin-zinnia.dtsi
@@ -0,0 +1,469 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (c) Toradex
+ *
+ * Common dtsi for Verdin AM62P SoM on Zinnia carrier board
+ *
+ * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62p
+ * https://www.toradex.com/products/carrier-board/zinnia-carrier-board
+ */
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/net/ti-dp83867.h>
+
+/ {
+       aliases {
+               eeprom1 = &carrier_eeprom;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_zinnia_leds>;
+
+               /* LED1 Red - SODIMM 48 - LED1_R */
+               led-0 {
+                       color = <LED_COLOR_ID_RED>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <1>;
+                       gpios = <&main_gpio0 33 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED1 Blue - SODIMM 46 - LED1_B */
+               led-1 {
+                       color = <LED_COLOR_ID_BLUE>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <1>;
+                       gpios = <&main_gpio0 34 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED3 Red - SODIMM 44 - LED3_R */
+               led-2 {
+                       color = <LED_COLOR_ID_RED>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <3>;
+                       gpios = <&main_gpio0 37 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED3 Green - SODIMM 54 - LED3_G */
+               led-3 {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <3>;
+                       gpios = <&main_gpio0 11 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED3 Blue - SODIMM 36 - LED3_B */
+               led-4 {
+                       color = <LED_COLOR_ID_BLUE>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <3>;
+                       gpios = <&main_gpio1 9 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED4 Red - SODIMM 34 - LED4_R */
+               led-5 {
+                       color = <LED_COLOR_ID_RED>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <4>;
+                       gpios = <&main_gpio1 10 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED4 Green - SODIMM 32 - LED4_G */
+               led-6 {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <4>;
+                       gpios = <&main_gpio1 12 GPIO_ACTIVE_HIGH>;
+               };
+
+               /* LED4 Blue - SODIMM 30 - LED4_B */
+               led-7 {
+                       color = <LED_COLOR_ID_BLUE>;
+                       default-state = "off";
+                       function = LED_FUNCTION_STATUS;
+                       function-enumerator = <4>;
+                       gpios = <&main_gpio1 11 GPIO_ACTIVE_HIGH>;
+               };
+       };
+
+       zinnia-1v8-voltage {
+               compatible = "voltage-divider";
+               /* Verdin ADC_4 */
+               io-channels = <&som_adc 4>;
+               full-ohms = <39000>; /* 12K + 27K */
+               output-ohms = <27000>;
+       };
+
+       zinnia-3v3-voltage {
+               compatible = "voltage-divider";
+               /* Verdin ADC_3 */
+               io-channels = <&som_adc 5>;
+               full-ohms = <54000>; /* 27K + 27K */
+               output-ohms = <27000>;
+       };
+
+       zinnia-5v-voltage {
+               compatible = "voltage-divider";
+               /* Verdin ADC_2 */
+               io-channels = <&som_adc 6>;
+               full-ohms = <39000>; /* 27K + 12K */
+               output-ohms = <12000>;
+       };
+
+       /* Zinnia Power Supply Input Voltage */
+       zinnia-input-voltage {
+               compatible = "voltage-divider";
+               /* Verdin ADC_1 */
+               io-channels = <&som_adc 7>;
+               full-ohms = <204700>; /* 200K + 4.7K */
+               output-ohms = <4700>;
+       };
+};
+
+&main_pmx0 {
+       pinctrl_zinnia_leds: zinnia-leds-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_IOPAD(0x019c, PIN_INPUT, 7) /* (E24)  MCASP0_AXR1.GPIO1_9    */ /* SODIMM 36 */
+                       AM62PX_IOPAD(0x01a0, PIN_INPUT, 7) /* (F23)  MCASP0_AXR0.GPIO1_10   */ /* SODIMM 34 */
+                       AM62PX_IOPAD(0x01a4, PIN_INPUT, 7) /* (F24)  MCASP0_ACLKX.GPIO1_11  */ /* SODIMM 30 */
+                       AM62PX_IOPAD(0x01a8, PIN_INPUT, 7) /* (F25)  MCASP0_AFSX.GPIO1_12   */ /* SODIMM 32 */
+                       AM62PX_IOPAD(0x0088, PIN_INPUT, 7) /* (R24)  GPMC0_OEn_REn.GPIO0_33 */ /* SODIMM 48 */
+                       AM62PX_IOPAD(0x0098, PIN_INPUT, 7) /* (AA24) GPMC0_WAIT0.GPIO0_37   */ /* SODIMM 44 */
+                       AM62PX_IOPAD(0x008c, PIN_INPUT, 7) /* (T25)  GPMC0_WEn.GPIO0_34     */ /* SODIMM 46 */
+                       AM62PX_IOPAD(0x002c, PIN_INPUT, 7) /* (M25)  OSPI0_CSn0.GPIO0_11    */ /* SODIMM 54 */
+               >;
+       };
+};
+
+&mcu_pmx0 {
+       pinctrl_zinnia_spi1_cs0_gpio: mcu-gpio0-11-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_MCU_IOPAD(0x002c, PIN_INPUT,  7) /* (C7) WKUP_UART0_CTSn.GPIO0_11 */ /* SODIMM 143 */
+               >;
+       };
+};
+
+/* Verdin ETHs */
+&cpsw3g {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rgmii1>, <&pinctrl_rgmii2>;
+
+       status = "okay";
+};
+
+/* MDIO, shared by Verdin ETH_1 (On-module PHY) and Verdin ETH_2_RGMII */
+&cpsw3g_mdio {
+       status = "okay";
+
+       carrier_eth_phy: ethernet-phy@2 {
+               reg = <2>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_eth2_rgmii_int>;
+               interrupt-parent = <&main_gpio0>;
+               interrupts = <42 IRQ_TYPE_EDGE_FALLING>;
+               ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+       };
+};
+
+/* Verdin ETH_1 (On-module PHY) */
+&cpsw_port1 {
+       status = "okay";
+};
+
+/* Verdin ETH_2_RGMII */
+&cpsw_port2 {
+       phy-handle = <&carrier_eth_phy>;
+       phy-mode = "rgmii-id";
+
+       status = "okay";
+};
+
+&main_gpio0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pcie_1_reset>,
+                   <&pinctrl_gpio_5>,
+                   <&pinctrl_gpio_6>,
+                   <&pinctrl_gpio_7>,
+                   <&pinctrl_gpio_8>,
+                   <&pinctrl_qspi1_io0_gpio>;
+       gpio-line-names =
+               "", /* 0 */
+               "",
+               "",
+               "DI3_RB", /* SODIMM 56 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 10 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 20 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 30 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 40 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "DI2_RB", /* SODIMM 216 */
+               "DI2_EN", /* SODIMM 218 */ /* 50 */
+               "DO3_EN", /* SODIMM 220 */
+               "DI3_EN", /* SODIMM 222 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 60 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 70 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 80 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 90 */
+               "";
+};
+
+&main_gpio1 {
+       gpio-line-names =
+               "", /* 0 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 10 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 20 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 30 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 40 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 50 */
+               "";
+};
+
+/* Verdin I2C_1 */
+&main_i2c0 {
+       status = "okay";
+
+       temperature-sensor@4f {
+               compatible = "ti,tmp1075";
+               reg = <0x4f>;
+       };
+
+       carrier_eeprom: eeprom@57 {
+               compatible = "st,24c02", "atmel,24c02";
+               reg = <0x57>;
+               pagesize = <16>;
+       };
+};
+
+/* Verdin CAN_1 */
+&main_mcan0 {
+       status = "okay";
+};
+
+/* Verdin SPI_1 */
+&main_spi1 {
+       pinctrl-0 = <&pinctrl_main_spi1>,
+                   <&pinctrl_zinnia_spi1_cs0_gpio>,
+                   <&pinctrl_spi1_cs_gpio>;
+       cs-gpios = <&mcu_gpio0 11 GPIO_ACTIVE_LOW>,
+                  <&main_gpio0 7 GPIO_ACTIVE_LOW>;
+
+       status = "okay";
+
+       tpm@1 {
+               compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+               reg = <1>;
+               spi-max-frequency = <18500000>;
+       };
+};
+
+/* Verdin UART_3, used as the Linux console */
+&main_uart0 {
+       status = "okay";
+};
+
+/* Verdin UART_1 */
+&main_uart1 {
+       status = "okay";
+};
+
+&mcu_gpio0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_gpio_1>,
+                   <&pinctrl_gpio_2>,
+                   <&pinctrl_gpio_4>,
+                   <&pinctrl_gpio_3>;
+       gpio-line-names =
+               "",
+               "DO1_EN", /* SODIMM 206 */
+               "DI1_EN", /* SODIMM 208 */
+               "DI1_RB", /* SODIMM 210 */
+               "DO2_EN", /* SODIMM 212 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 10 */
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "",
+               "", /* 20 */
+               "",
+               "",
+               "";
+};
+
+/* Verdin SD_1 */
+&sdhci1 {
+       status = "okay";
+};
+
+/* Verdin USB_1 */
+&usb0 {
+       status = "okay";
+};
+
+/* Verdin USB_2 */
+&usb1 {
+       status = "okay";
+};
+
+/* Verdin USB_1 */
+&usbss0 {
+       status = "okay";
+};
+
+/* Verdin USB_2 */
+&usbss1 {
+       status = "okay";
+};
+
+/* Verdin PCIE_1_RESET# */
+&verdin_pcie_1_reset_hog {
+       status = "okay";
+};
+
+/* Verdin UART_2 */
+&wkup_uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wkup_uart0>,
+                   <&pinctrl_wkup_uart0_rts>;
+       rs485-rts-active-low;
+       rs485-rx-during-tx;
+       linux,rs485-enabled-at-boot-time;
+
+       status = "okay";
+};

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-verdin-nonwifi-zinnia.dts b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-nonwifi-zinnia.dts
new file mode 100644 (file)
index 0000000..8abf4fe
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-nonwifi-zinnia.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (c) Toradex
+ *
+ * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62p
+ * https://www.toradex.com/products/carrier-board/zinnia-carrier-board
+ */
+
+/dts-v1/;
+
+#include "k3-am62p5.dtsi"
+#include "k3-am62p-verdin.dtsi"
+#include "k3-am62p-verdin-nonwifi.dtsi"
+#include "k3-am62p-verdin-zinnia.dtsi"
+
+/ {
+       model = "Toradex Verdin AM62P on Zinnia Board";
+       compatible = "toradex,verdin-am62p-nonwifi-zinnia",
+                    "toradex,verdin-am62p-nonwifi",
+                    "toradex,verdin-am62p",
+                    "ti,am62p5";
+};

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-verdin-wifi-zinnia.dts b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-wifi-zinnia.dts
new file mode 100644 (file)
index 0000000..e1df7cf
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-wifi-zinnia.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (c) Toradex
+ *
+ * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62p
+ * https://www.toradex.com/products/carrier-board/zinnia-carrier-board
+ */
+
+/dts-v1/;
+
+#include "k3-am62p5.dtsi"
+#include "k3-am62p-verdin.dtsi"
+#include "k3-am62p-verdin-wifi.dtsi"
+#include "k3-am62p-verdin-zinnia.dtsi"
+
+/ {
+       model = "Toradex Verdin AM62P WB on Zinnia Board";
+       compatible = "toradex,verdin-am62p-wifi-zinnia",
+                    "toradex,verdin-am62p-wifi",
+                    "toradex,verdin-am62p",
+                    "ti,am62p5";
+};