linux-zen-desktop/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso

// SPDX-License-Identifier: GPL-2.0
/*
 * dts file for KV260 revA Carrier Card
 *
 * (C) Copyright 2020 - 2022, Xilinx, Inc.
 * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
 *
 * SD level shifter:
 * "A" - A01 board un-modified (NXP)
 * "Y" - A01 board modified with legacy interposer (Nexperia)
 * "Z" - A01 board modified with Diode interposer
 *
 * Michal Simek <michal.simek@amd.com>
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>

/dts-v1/;
/plugin/;

&i2c1 { /* I2C_SCK C23/C24 - MIO from SOM */
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-names = "default", "gpio";
	pinctrl-0 = <&pinctrl_i2c1_default>;
	pinctrl-1 = <&pinctrl_i2c1_gpio>;
	scl-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
	sda-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;

	/* u14 - 0x40 - ina260 */
	/* u27 - 0xe0 - STDP4320 DP/HDMI splitter */
};

&amba {
	si5332_0: si5332_0 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
	};

	si5332_1: si5332_1 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

	si5332_2: si5332_2 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <48000000>;
	};

	si5332_3: si5332_3 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
	};

	si5332_4: si5332_4 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};

	si5332_5: si5332_5 { /* u17 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <27000000>;
	};
};

/* DP/USB 3.0 and SATA */
&psgtr {
	status = "okay";
	/* pcie, usb3, sata */
	clocks = <&si5332_5>, <&si5332_4>, <&si5332_0>;
	clock-names = "ref0", "ref1", "ref2";
};

&sata {
	status = "okay";
	/* SATA OOB timing settings */
	ceva,p0-cominit-params = /bits/ 8 <0x18 0x40 0x18 0x28>;
	ceva,p0-comwake-params = /bits/ 8 <0x06 0x14 0x08 0x0E>;
	ceva,p0-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
	ceva,p0-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
	ceva,p1-cominit-params = /bits/ 8 <0x18 0x40 0x18 0x28>;
	ceva,p1-comwake-params = /bits/ 8 <0x06 0x14 0x08 0x0E>;
	ceva,p1-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
	ceva,p1-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
	phy-names = "sata-phy";
	phys = <&psgtr 3 PHY_TYPE_SATA 1 2>;
};

&zynqmp_dpsub {
	status = "okay";
	phy-names = "dp-phy0", "dp-phy1";
	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
};

&zynqmp_dpdma {
	status = "okay";
	assigned-clock-rates = <600000000>;
};

&usb0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usb0_default>;
	phy-names = "usb3-phy";
	phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
	/* missing usb5744 - u43 */
};

&dwc3_0 {
	status = "okay";
	dr_mode = "host";
	snps,usb3_lpm_capable;
	maximum-speed = "super-speed";
};

&sdhci1 { /* on CC with tuned parameters */
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sdhci1_default>;
	/*
	 * SD 3.0 requires level shifter and this property
	 * should be removed if the board has level shifter and
	 * need to work in UHS mode
	 */
	no-1-8-v;
	disable-wp;
	xlnx,mio-bank = <1>;
	assigned-clock-rates = <187498123>;
	bus-width = <4>;
};

&gem3 { /* required by spec */
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gem3_default>;
	phy-handle = <&phy0>;
	phy-mode = "rgmii-id";

	mdio: mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		phy0: ethernet-phy@1 {
			#phy-cells = <1>;
			reg = <1>;
			compatible = "ethernet-phy-id2000.a231";
			ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
			ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
			ti,dp83867-rxctrl-strap-quirk;
			reset-assert-us = <100>;
			reset-deassert-us = <280>;
			reset-gpios = <&gpio 38 GPIO_ACTIVE_LOW>;
		};
	};
};

&pinctrl0 { /* required by spec */
	status = "okay";

	pinctrl_uart1_default: uart1-default {
		conf {
			groups = "uart1_9_grp";
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
			drive-strength = <12>;
		};

		conf-rx {
			pins = "MIO37";
			bias-high-impedance;
		};

		conf-tx {
			pins = "MIO36";
			bias-disable;
		};

		mux {
			groups = "uart1_9_grp";
			function = "uart1";
		};
	};

	pinctrl_i2c1_default: i2c1-default {
		conf {
			groups = "i2c1_6_grp";
			bias-pull-up;
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
		};

		mux {
			groups = "i2c1_6_grp";
			function = "i2c1";
		};
	};

	pinctrl_i2c1_gpio: i2c1-gpio {
		conf {
			groups = "gpio0_24_grp", "gpio0_25_grp";
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
		};

		mux {
			groups = "gpio0_24_grp", "gpio0_25_grp";
			function = "gpio0";
		};
	};

	pinctrl_gem3_default: gem3-default {
		conf {
			groups = "ethernet3_0_grp";
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
		};

		conf-rx {
			pins = "MIO70", "MIO72", "MIO74";
			bias-high-impedance;
			low-power-disable;
		};

		conf-bootstrap {
			pins = "MIO71", "MIO73", "MIO75";
			bias-disable;
			low-power-disable;
		};

		conf-tx {
			pins = "MIO64", "MIO65", "MIO66",
				"MIO67", "MIO68", "MIO69";
			bias-disable;
			low-power-enable;
		};

		conf-mdio {
			groups = "mdio3_0_grp";
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
			bias-disable;
		};

		mux-mdio {
			function = "mdio3";
			groups = "mdio3_0_grp";
		};

		mux {
			function = "ethernet3";
			groups = "ethernet3_0_grp";
		};
	};

	pinctrl_usb0_default: usb0-default {
		conf {
			groups = "usb0_0_grp";
			power-source = <IO_STANDARD_LVCMOS18>;
		};

		conf-rx {
			pins = "MIO52", "MIO53", "MIO55";
			bias-high-impedance;
			drive-strength = <12>;
			slew-rate = <SLEW_RATE_FAST>;
		};

		conf-tx {
			pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59",
			"MIO60", "MIO61", "MIO62", "MIO63";
			bias-disable;
			drive-strength = <4>;
			slew-rate = <SLEW_RATE_SLOW>;
		};

		mux {
			groups = "usb0_0_grp";
			function = "usb0";
		};
	};

	pinctrl_sdhci1_default: sdhci1-default {
		conf {
			groups = "sdio1_0_grp";
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
			bias-disable;
		};

		conf-cd {
			groups = "sdio1_cd_0_grp";
			bias-high-impedance;
			bias-pull-up;
			slew-rate = <SLEW_RATE_SLOW>;
			power-source = <IO_STANDARD_LVCMOS18>;
		};

		mux-cd {
			groups = "sdio1_cd_0_grp";
			function = "sdio1_cd";
		};

		mux {
			groups = "sdio1_0_grp";
			function = "sdio1";
		};
	};
};

&uart1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1_default>;
};