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Date: Thu, 27 Jun 2024 10:49:00 +0200
From: Wadim Egorov <w.egorov@...tec.de>
To: Garrett Giordano <ggiordano@...tec.com>, <nm@...com>, <vigneshr@...com>,
<kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
<conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <upstream@...ts.phytec.de>
Subject: Re: [PATCH v2 4/4] arm64: dts: ti: Add basic support for
phyBOARD-Lyra-AM62Ax
Am 26.06.24 um 17:52 schrieb Garrett Giordano:
> The phyCORE-AM62Ax [1] is a SoM (System on Module) featuring TI's AM62Ax SoC.
> It can be used in combination with different carrier boards.
> This module can come with different sizes and models for
> DDR, eMMC, SPI NOR Flash and various SoCs from the AM62Ax family.
>
> A development Kit, called phyBOARD-Lyra [2] is used as a carrier board
> reference design with a mapper board being used to allow the phyCORE-AM62Ax
> to fit the phyBOARD-Lyra.
>
> Supported features:
> * Debug UART
> * SPI NOR Flash
> * eMMC
> * 2x Ethernet
> * Micro SD card
> * I2C EEPROM
> * I2C RTC
> * GPIO Expander
> * LEDs
> * USB
> * HDMI
> * USB-C
> * Audio
>
> For more details, see:
>
> [1] Product page SoM: https://www.phytec.com/product/phycore-am62a
> [2] Product page CB: https://www.phytec.com/product/phyboard-am62a
>
> Signed-off-by: Garrett Giordano <ggiordano@...tec.com>
Reviewed-by: Wadim Egorov <w.egorov@...tec.de>
> ---
> arch/arm64/boot/dts/ti/Makefile | 2 +
> .../boot/dts/ti/k3-am62a-phycore-som.dtsi | 330 ++++++++++++++++++
> .../dts/ti/k3-am62a7-phyboard-lyra-rdk.dts | 18 +
> 3 files changed, 350 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
> create mode 100644 arch/arm64/boot/dts/ti/k3-am62a7-phyboard-lyra-rdk.dts
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index 2c327cc320cf..cd6e14edbbea 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -27,6 +27,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb
>
> # Boards with AM62Ax SoC
> dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb
> +dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb
>
> # Boards with AM62Px SoC
> dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
> @@ -173,6 +174,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
> # Enable support for device-tree overlays
> DTC_FLAGS_k3-am625-beagleplay += -@
> DTC_FLAGS_k3-am625-phyboard-lyra-rdk += -@
> +DTC_FLAGS_k3-am62a7-phyboard-lyra-rdk += -@
> DTC_FLAGS_k3-am625-sk += -@
> DTC_FLAGS_k3-am62-lp-sk += -@
> DTC_FLAGS_k3-am62a7-sk += -@
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
> new file mode 100644
> index 000000000000..a5aceaa39670
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
> @@ -0,0 +1,330 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
> +/*
> + * Copyright (C) 2023 - 2024 PHYTEC America LLC
> + * Author: Garrett Giordano <ggiordano@...tec.com>
> + *
> + * Product homepage:
> + * https://www.phytec.com/product/phycore-am62a
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/net/ti-dp83867.h>
> +
> +/ {
> + model = "PHYTEC phyCORE-AM62Ax";
> + compatible = "phytec,am62a-phycore-som", "ti,am62a7";
> +
> + aliases {
> + ethernet0 = &cpsw_port1;
> + gpio0 = &main_gpio0;
> + gpio1 = &main_gpio1;
> + i2c0 = &main_i2c0;
> + mmc0 = &sdhci0;
> + rtc0 = &i2c_som_rtc;
> + spi0 = &ospi0;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&leds_pins_default>;
> +
> + led-0 {
> + color = <LED_COLOR_ID_GREEN>;
> + gpios = <&main_gpio0 13 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + function = LED_FUNCTION_HEARTBEAT;
> + };
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + /* 2G RAM */
> + reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + /* global cma region */
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + size = <0x00 0x24000000>;
> + alloc-ranges = <0x00 0xc0000000 0x00 0x24000000>;
> + linux,cma-default;
> + };
> +
> + secure_tfa_ddr: tfa@...80000 {
> + reg = <0x00 0x9e780000 0x00 0x80000>;
> + alignment = <0x1000>;
> + no-map;
> + };
> +
> + secure_ddr: optee@...00000 {
> + reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
> + alignment = <0x1000>;
> + no-map;
> + };
> +
> + wkup_r5fss0_core0_memory_region: r5f-dma-memory@...00000 {
> + compatible = "shared-dma-pool";
> + reg = <0x00 0x9c900000 0x00 0x01e00000>;
> + no-map;
> + };
> + };
> +
> + vcc_5v0_som: regulator-vcc-5v0-som {
> + compatible = "regulator-fixed";
> + regulator-name = "VCC_5V0_SOM";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +};
> +
> +&main_pmx0 {
> + leds_pins_default: leds-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x034, PIN_OUTPUT, 7) /* (K20) OSPI0_CSN2.GPIO0_13 */
> + >;
> + };
> +
> + main_i2c0_pins_default: main-i2c0-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (D17) I2C0_SCL */
> + AM62AX_IOPAD(0x1e4, PIN_INPUT_PULLUP, 0) /* (E16) I2C0_SDA */
> + >;
> + };
> +
> + main_mdio1_pins_default: main-mdio1-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x160, PIN_OUTPUT, 0) /* (V12) MDIO0_MDC */
> + AM62AX_IOPAD(0x15c, PIN_INPUT, 0) /* (V13) MDIO0_MDIO */
> + >;
> + };
> +
> + main_mmc0_pins_default: main-mmc0-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x220, PIN_INPUT_PULLUP, 0) /* (Y6) MMC0_CMD */
> + AM62AX_IOPAD(0x218, PIN_INPUT_PULLDOWN, 0) /* (AB7) MMC0_CLK */
> + AM62AX_IOPAD(0x214, PIN_INPUT_PULLUP, 0) /* (AA6) MMC0_DAT0 */
> + AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AB6) MMC0_DAT1 */
> + AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (Y7) MMC0_DAT2 */
> + AM62AX_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (AA7) MMC0_DAT3 */
> + AM62AX_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (Y8) MMC0_DAT4 */
> + AM62AX_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (W7) MMC0_DAT5 */
> + AM62AX_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (W9) MMC0_DAT6 */
> + AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AB8) MMC0_DAT7 */
> + >;
> + };
> +
> + main_rgmii1_pins_default: main-rgmii1-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x14c, PIN_INPUT, 0) /* (AB16) RGMII1_RD0 */
> + AM62AX_IOPAD(0x150, PIN_INPUT, 0) /* (V15) RGMII1_RD1 */
> + AM62AX_IOPAD(0x154, PIN_INPUT, 0) /* (W15) RGMII1_RD2 */
> + AM62AX_IOPAD(0x158, PIN_INPUT, 0) /* (V14) RGMII1_RD3 */
> + AM62AX_IOPAD(0x148, PIN_INPUT, 0) /* (AA16) RGMII1_RXC */
> + AM62AX_IOPAD(0x144, PIN_INPUT, 0) /* (AA15) RGMII1_RX_CTL */
> + AM62AX_IOPAD(0x134, PIN_OUTPUT, 0) /* (Y17) RGMII1_TD0 */
> + AM62AX_IOPAD(0x138, PIN_OUTPUT, 0) /* (V16) RGMII1_TD1 */
> + AM62AX_IOPAD(0x13c, PIN_OUTPUT, 0) /* (Y16) RGMII1_TD2 */
> + AM62AX_IOPAD(0x140, PIN_OUTPUT, 0) /* (AA17) RGMII1_TD3 */
> + AM62AX_IOPAD(0x130, PIN_OUTPUT, 0) /* (AB17) RGMII1_TXC */
> + AM62AX_IOPAD(0x12c, PIN_OUTPUT, 0) /* (W16) RGMII1_TX_CTL */
> + >;
> + };
> +
> + ospi0_pins_default: ospi0-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x000, PIN_OUTPUT, 0) /* (L22) OSPI0_CLK */
> + AM62AX_IOPAD(0x02c, PIN_OUTPUT, 0) /* (H21) OSPI0_CSn0 */
> + AM62AX_IOPAD(0x038, PIN_OUTPUT, 0) /* (G20) OSPI0_CSn3 */
> + AM62AX_IOPAD(0x00c, PIN_INPUT, 0) /* (J21) OSPI0_D0 */
> + AM62AX_IOPAD(0x010, PIN_INPUT, 0) /* (J18) OSPI0_D1 */
> + AM62AX_IOPAD(0x014, PIN_INPUT, 0) /* (J19) OSPI0_D2 */
> + AM62AX_IOPAD(0x018, PIN_INPUT, 0) /* (H18) OSPI0_D3 */
> + AM62AX_IOPAD(0x01c, PIN_INPUT, 0) /* (K21) OSPI0_D4 */
> + AM62AX_IOPAD(0x020, PIN_INPUT, 0) /* (H19) OSPI0_D5 */
> + AM62AX_IOPAD(0x024, PIN_INPUT, 0) /* (J20) OSPI0_D6 */
> + AM62AX_IOPAD(0x028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
> + AM62AX_IOPAD(0x008, PIN_INPUT, 0) /* (L21) OSPI0_DQS */
> + >;
> + };
> +
> + pmic_irq_pins_default: pmic-irq-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x1f4, PIN_INPUT, 0) /* (D16) EXTINTn */
> + >;
> + };
> +};
> +
> +&cpsw3g {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_rgmii1_pins_default>;
> +};
> +
> +&cpsw_port1 {
> + phy-mode = "rgmii-rxid";
> + phy-handle = <&cpsw3g_phy1>;
> +};
> +
> +&cpsw3g_mdio {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_mdio1_pins_default>;
> +
> + cpsw3g_phy1: ethernet-phy@1 {
> + compatible = "ethernet-phy-id2000.a231", "ethernet-phy-ieee802.3-c22";
> + reg = <1>;
> + ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
> + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> + };
> +};
> +
> +&fss {
> + status = "okay";
> +};
> +
> +&main_i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_i2c0_pins_default>;
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + pmic@30 {
> + compatible = "ti,tps65219";
> + reg = <0x30>;
> + buck1-supply = <&vcc_5v0_som>;
> + buck2-supply = <&vcc_5v0_som>;
> + buck3-supply = <&vcc_5v0_som>;
> + ldo1-supply = <&vdd_3v3>;
> + ldo2-supply = <&vdd_1v8>;
> + ldo3-supply = <&vcc_5v0_som>;
> + ldo4-supply = <&vcc_5v0_som>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_irq_pins_default>;
> + interrupt-parent = <&gic500>;
> + interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + ti,power-button;
> + system-power-controller;
> +
> + regulators {
> + vdd_3v3: buck1 {
> + regulator-name = "VDD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vdd_1v8: buck2 {
> + regulator-name = "VDD_1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vdd_lpddr4: buck3 {
> + regulator-name = "VDD_LPDDR4";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vddshv5_sdio: ldo1 {
> + regulator-name = "VDDSHV5_SDIO";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-allow-bypass;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vddr_core: ldo2 {
> + regulator-name = "VDDR_CORE";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vdda_1v8: ldo3 {
> + regulator-name = "VDDA_1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vdd_2v5: ldo4 {
> + regulator-name = "VDD_2V5";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <2500000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c32";
> + pagesize = <32>;
> + reg = <0x50>;
> + };
> +
> + i2c_som_rtc: rtc@52 {
> + compatible = "microcrystal,rv3028";
> + reg = <0x52>;
> + };
> +};
> +
> +&main_gpio0 {
> + status = "okay";
> +};
> +
> +&main_gpio1 {
> + status = "okay";
> +};
> +
> +&main_gpio_intr {
> + status = "okay";
> +};
> +
> +&ospi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ospi0_pins_default>;
> + status = "okay";
> +
> + serial_flash: flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0x0>;
> + spi-tx-bus-width = <8>;
> + spi-rx-bus-width = <8>;
> + spi-max-frequency = <25000000>;
> + cdns,tshsl-ns = <60>;
> + cdns,tsd2d-ns = <60>;
> + cdns,tchsh-ns = <60>;
> + cdns,tslch-ns = <60>;
> + cdns,read-delay = <0>;
> + };
> +};
> +
> +&sdhci0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_mmc0_pins_default>;
> + disable-wp;
> + non-removable;
> + status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-phyboard-lyra-rdk.dts
> new file mode 100644
> index 000000000000..3b93409b23e7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-phyboard-lyra-rdk.dts
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
> +/*
> + * Copyright (C) 2023 - 2024 PHYTEC America LLC
> + * Author: Garrett Giordano <ggiordano@...tec.com>
> + *
> + * Product homepage:
> + * https://www.phytec.com/product/phyboard-am62a
> + */
> +
> +#include "k3-am62a7.dtsi"
> +#include "k3-am62a-phycore-som.dtsi"
> +#include "k3-am62x-phyboard-lyra.dtsi"
> +
> +/ {
> + compatible = "phytec,am62a7-phyboard-lyra-rdk",
> + "phytec,am62a-phycore-som", "ti,am62a7";
> + model = "PHYTEC phyBOARD-Lyra AM62A7";
> +};
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