xref: /openbmc/linux/scripts/dtc/include-prefixes/arm64/qcom/sc7280-qcard.dtsi (revision 3d0e375b)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * sc7280 Qcard device tree source
 *
 * Qcard PCB has the processor, RAM, eMMC (if stuffed), and eDP connector (if
 * stuffed) on it. This device tree tries to encapsulate all the things that
 * all boards using Qcard will have in common. Given that there are stuffing
 * options, some things may be left with status "disabled" and enabled in
 * the actual board device tree files.
 *
 * Copyright 2022 Google LLC.
 */

#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pmr735a.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>

#include "sc7280.dtsi"

/* PMICs depend on spmi_bus label and so must come after SoC */
#include "pm7325.dtsi"
#include "pm8350c.dtsi"
#include "pmk8350.dtsi"

/ {
	aliases {
		bluetooth0 = &bluetooth;
		serial0 = &uart5;
		serial1 = &uart7;
	};
};

&apps_rsc {
	/*
	 * Regulators are given labels corresponding to the various names
	 * they are referred to on schematics. They are also given labels
	 * corresponding to named voltage inputs on the SoC or components
	 * bundled with the SoC (like radio companion chips). We totally
	 * ignore it when one regulator is the input to another regulator.
	 * That's handled automatically by the initial config given to
	 * RPMH by the firmware.
	 *
	 * Regulators that the HLOS (High Level OS) doesn't touch at all
	 * are left out of here since they are managed elsewhere.
	 */

	pm7325-regulators {
		compatible = "qcom,pm7325-rpmh-regulators";
		qcom,pmic-id = "b";

		vdd19_pmu_pcie_i:
		vdd19_pmu_rfa_i:
		vreg_s1b_1p856: smps1 {
			regulator-min-microvolt = <1856000>;
			regulator-max-microvolt = <2040000>;
		};

		vdd_pmu_aon_i:
		vdd09_pmu_rfa_i:
		vdd095_mx_pmu:
		vdd095_pmu:
		vreg_s7b_0p952: smps7 {
			regulator-min-microvolt = <535000>;
			regulator-max-microvolt = <1120000>;
		};

		vdd13_pmu_rfa_i:
		vdd13_pmu_pcie_i:
		vreg_s8b_1p256: smps8 {
			regulator-min-microvolt = <1256000>;
			regulator-max-microvolt = <1500000>;
		};

		vdd_a_usbssdp_0_core:
		vreg_l1b_0p912: ldo1 {
			regulator-min-microvolt = <825000>;
			regulator-max-microvolt = <925000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_a_usbhs_3p1:
		vreg_l2b_3p072: ldo2 {
			regulator-min-microvolt = <2700000>;
			regulator-max-microvolt = <3544000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_a_csi_0_1_1p2:
		vdd_a_csi_2_3_1p2:
		vdd_a_csi_4_1p2:
		vdd_a_dsi_0_1p2:
		vdd_a_edp_0_1p2:
		vdd_a_qlink_0_1p2:
		vdd_a_qlink_1_1p2:
		vdd_a_pcie_0_1p2:
		vdd_a_pcie_1_1p2:
		vdd_a_ufs_0_1p2:
		vdd_a_usbssdp_0_1p2:
		vreg_l6b_1p2: ldo6 {
			regulator-min-microvolt = <1140000>;
			regulator-max-microvolt = <1260000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		/*
		 * Despite the fact that this is named to be 2.5V on the
		 * schematic, it powers eMMC which doesn't accept 2.5V
		 */
		vreg_l7b_2p5: ldo7 {
			regulator-min-microvolt = <2960000>;
			regulator-max-microvolt = <2960000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_px_wcd9385:
		vdd_txrx:
		vddpx_0:
		vddpx_3:
		vddpx_7:
		vreg_l18b_1p8: ldo18 {
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <2000000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_1p8:
		vdd_px_sdr735:
		vdd_pxm:
		vdd18_io:
		vddio_px_1:
		vddio_px_2:
		vddio_px_3:
		vddpx_ts:
		vddpx_wl4otp:
		vreg_l19b_1p8: ldo19 {
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};
	};

	pm8350c-regulators {
		compatible = "qcom,pm8350c-rpmh-regulators";
		qcom,pmic-id = "c";

		vdd22_wlbtpa_ch0:
		vdd22_wlbtpa_ch1:
		vdd22_wlbtppa_ch0:
		vdd22_wlbtppa_ch1:
		vdd22_wlpa5g_ch0:
		vdd22_wlpa5g_ch1:
		vdd22_wlppa5g_ch0:
		vdd22_wlppa5g_ch1:
		vreg_s1c_2p2: smps1 {
			regulator-min-microvolt = <2190000>;
			regulator-max-microvolt = <2210000>;
		};

		lp4_vdd2_1p052:
		vreg_s9c_0p676: smps9 {
			regulator-min-microvolt = <1010000>;
			regulator-max-microvolt = <1170000>;
		};

		vdda_apc_cs_1p8:
		vdda_gfx_cs_1p8:
		vdda_turing_q6_cs_1p8:
		vdd_a_cxo_1p8:
		vdd_a_qrefs_1p8:
		vdd_a_usbhs_1p8:
		vdd_qfprom:
		vreg_l1c_1p8: ldo1 {
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1980000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l2c_1p8: ldo2 {
			regulator-min-microvolt = <1620000>;
			regulator-max-microvolt = <1980000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l3c_3p0: ldo3 {
			regulator-min-microvolt = <2800000>;
			regulator-max-microvolt = <3540000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vddpx_5:
		vreg_l4c_1p8_3p0: ldo4 {
			regulator-min-microvolt = <1620000>;
			regulator-max-microvolt = <3300000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vddpx_6:
		vreg_l5c_1p8_3p0: ldo5 {
			regulator-min-microvolt = <1620000>;
			regulator-max-microvolt = <3300000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vddpx_2:
		vreg_l6c_2p96: ldo6 {
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <2950000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l7c_3p0: ldo7 {
			regulator-min-microvolt = <3000000>;
			regulator-max-microvolt = <3544000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l8c_1p8: ldo8 {
			regulator-min-microvolt = <1620000>;
			regulator-max-microvolt = <2000000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l9c_2p96: ldo9 {
			regulator-min-microvolt = <2960000>;
			regulator-max-microvolt = <2960000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_a_csi_0_1_0p9:
		vdd_a_csi_2_3_0p9:
		vdd_a_csi_4_0p9:
		vdd_a_dsi_0_0p9:
		vdd_a_dsi_0_pll_0p9:
		vdd_a_edp_0_0p9:
		vdd_a_gnss_0p9:
		vdd_a_pcie_0_core:
		vdd_a_pcie_1_core:
		vdd_a_qlink_0_0p9:
		vdd_a_qlink_0_0p9_ck:
		vdd_a_qlink_1_0p9:
		vdd_a_qlink_1_0p9_ck:
		vdd_a_qrefs_0p875_0:
		vdd_a_qrefs_0p875_1:
		vdd_a_qrefs_0p875_2:
		vdd_a_qrefs_0p875_3:
		vdd_a_qrefs_0p875_4_5:
		vdd_a_qrefs_0p875_6:
		vdd_a_qrefs_0p875_7:
		vdd_a_qrefs_0p875_8:
		vdd_a_qrefs_0p875_9:
		vdd_a_ufs_0_core:
		vdd_a_usbhs_core:
		vreg_l10c_0p88: ldo10 {
			regulator-min-microvolt = <720000>;
			regulator-max-microvolt = <1050000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l11c_2p8: ldo11 {
			regulator-min-microvolt = <2800000>;
			regulator-max-microvolt = <3544000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l12c_1p8: ldo12 {
			regulator-min-microvolt = <1650000>;
			regulator-max-microvolt = <2000000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vreg_l13c_3p0: ldo13 {
			regulator-min-microvolt = <2700000>;
			regulator-max-microvolt = <3544000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
		};

		vdd_flash:
		vdd_iris_rgb:
		vdd_mic_bias:
		vreg_bob: bob {
			regulator-min-microvolt = <3008000>;
			regulator-max-microvolt = <3960000>;
			regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
		};
	};
};

/* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */

&ipa {
	status = "okay";
	modem-init;
};

&pcie1_phy {
	vdda-phy-supply = <&vreg_l10c_0p88>;
	vdda-pll-supply = <&vreg_l6b_1p2>;
};

&pmk8350_vadc {
	pmk8350-die-temp@3 {
		reg = <PMK8350_ADC7_DIE_TEMP>;
		label = "pmk8350_die_temp";
		qcom,pre-scaling = <1 1>;
	};

	pmr735a-die-temp@403 {
		reg = <PMR735A_ADC7_DIE_TEMP>;
		label = "pmr735a_die_temp";
		qcom,pre-scaling = <1 1>;
	};
};

&qfprom {
	vcc-supply = <&vdd_qfprom>;
};

/* For eMMC. NOTE: not all Qcards have eMMC stuffed */
&sdhc_1 {
	vmmc-supply = <&vreg_l7b_2p5>;
	vqmmc-supply = <&vreg_l19b_1p8>;

	non-removable;
	no-sd;
	no-sdio;
};

uart_dbg: &uart5 {
	compatible = "qcom,geni-debug-uart";
	status = "okay";
};

mos_bt_uart: &uart7 {
	status = "okay";

	/delete-property/ interrupts;
	interrupts-extended = <&intc GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>,
				<&tlmm 31 IRQ_TYPE_EDGE_FALLING>;
	pinctrl-names = "default", "sleep";
	pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>, <&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>;

	bluetooth: bluetooth {
		compatible = "qcom,wcn6750-bt";
		pinctrl-names = "default";
		pinctrl-0 = <&mos_bt_en>;
		enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
		swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
		vddaon-supply = <&vreg_s7b_0p952>;
		vddbtcxmx-supply = <&vreg_s7b_0p952>;
		vddrfacmn-supply = <&vreg_s7b_0p952>;
		vddrfa0p8-supply = <&vreg_s7b_0p952>;
		vddrfa1p7-supply = <&vdd19_pmu_rfa_i>;
		vddrfa1p2-supply = <&vdd13_pmu_rfa_i>;
		vddrfa2p2-supply = <&vreg_s1c_2p2>;
		vddasd-supply = <&vreg_l11c_2p8>;
		vddio-supply = <&vreg_l18b_1p8>;
		max-speed = <3200000>;
	};
};

&usb_1_hsphy {
	vdda-pll-supply = <&vdd_a_usbhs_core>;
	vdda33-supply = <&vdd_a_usbhs_3p1>;
	vdda18-supply = <&vdd_a_usbhs_1p8>;
};

&usb_1_qmpphy {
	vdda-phy-supply = <&vdd_a_usbssdp_0_1p2>;
	vdda-pll-supply = <&vdd_a_usbssdp_0_core>;
};

&usb_2_hsphy {
	vdda-pll-supply = <&vdd_a_usbhs_core>;
	vdda33-supply = <&vdd_a_usbhs_3p1>;
	vdda18-supply = <&vdd_a_usbhs_1p8>;
};

/*
 * PINCTRL - ADDITIONS TO NODES IN PARENT DEVICE TREE FILES
 *
 * NOTE: In general if pins leave the Qcard then the pinctrl goes in the
 * baseboard or board device tree, not here.
 */

/*
 * For ts_i2c
 *
 * Technically this i2c bus actually leaves the Qcard, but it leaves directly
 * via the eDP connector (it doesn't hit the baseboard). The external pulls
 * are on Qcard.
 */
&qup_i2c13_data_clk {
	/* Has external pull */
	bias-disable;
	drive-strength = <2>;
};

/* For mos_bt_uart */
&qup_uart7_cts {
	/*
	 * Configure a bias-bus-hold on CTS to lower power
	 * usage when Bluetooth is turned off. Bus hold will
	 * maintain a low power state regardless of whether
	 * the Bluetooth module drives the pin in either
	 * direction or leaves the pin fully unpowered.
	 */
	bias-bus-hold;
};

/* For mos_bt_uart */
&qup_uart7_rts {
	/* We'll drive RTS, so no pull */
	bias-disable;
	drive-strength = <2>;
};

/* For mos_bt_uart */
&qup_uart7_tx {
	/* We'll drive TX, so no pull */
	bias-disable;
	drive-strength = <2>;
};

/* For mos_bt_uart */
&qup_uart7_rx {
	/*
	 * Configure a pull-up on RX. This is needed to avoid
	 * garbage data when the TX pin of the Bluetooth module is
	 * in tri-state (module powered off or not driving the
	 * signal yet).
	 */
	bias-pull-up;
};

/* eMMC, if stuffed, is straight on the Qcard */
&sdc1_clk {
	bias-disable;
	drive-strength = <16>;
};

&sdc1_cmd {
	bias-pull-up;
	drive-strength = <10>;
};

&sdc1_data {
	bias-pull-up;
	drive-strength = <10>;
};

&sdc1_rclk {
	bias-pull-down;
};

/*
 * PINCTRL - QCARD
 *
 * This has entries that are defined by Qcard even if they go to the main
 * board. In cases where the pulls may be board dependent we defer those
 * settings to the board device tree. Drive strengths tend to be assinged here
 * but could conceivably be overwridden by board device trees.
 */

&pm8350c_gpios {
	pmic_edp_bl_en: pmic-edp-bl-en {
		pins = "gpio7";
		function = "normal";
		bias-disable;
		qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;

		/* Force backlight to be disabled to match state at boot. */
		output-low;
	};

	pmic_edp_bl_pwm: pmic-edp-bl-pwm {
		pins = "gpio8";
		function = "func1";
		bias-disable;
		qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
		output-low;
		power-source = <0>;
	};
};

&tlmm {
	mos_bt_en: mos-bt-en {
		pins = "gpio85";
		function = "gpio";
		drive-strength = <2>;
		output-low;
	};

	/* For mos_bt_uart */
	qup_uart7_sleep_cts: qup-uart7-sleep-cts {
		pins = "gpio28";
		function = "gpio";
		/*
		 * Configure a bias-bus-hold on CTS to lower power
		 * usage when Bluetooth is turned off. Bus hold will
		 * maintain a low power state regardless of whether
		 * the Bluetooth module drives the pin in either
		 * direction or leaves the pin fully unpowered.
		 */
		bias-bus-hold;
	};

	/* For mos_bt_uart */
	qup_uart7_sleep_rts: qup-uart7-sleep-rts {
		pins = "gpio29";
		function = "gpio";
		/*
		 * Configure pull-down on RTS. As RTS is active low
		 * signal, pull it low to indicate the BT SoC that it
		 * can wakeup the system anytime from suspend state by
		 * pulling RX low (by sending wakeup bytes).
		 */
		bias-pull-down;
	};

	/* For mos_bt_uart */
	qup_uart7_sleep_rx: qup-uart7-sleep-rx {
		pins = "gpio31";
		function = "gpio";
		/*
		 * Configure a pull-up on RX. This is needed to avoid
		 * garbage data when the TX pin of the Bluetooth module
		 * is floating which may cause spurious wakeups.
		 */
		bias-pull-up;
	};

	/* For mos_bt_uart */
	qup_uart7_sleep_tx: qup-uart7-sleep-tx {
		pins = "gpio30";
		function = "gpio";
		/*
		 * Configure pull-up on TX when it isn't actively driven
		 * to prevent BT SoC from receiving garbage during sleep.
		 */
		bias-pull-up;
	};

	ts_int_conn: ts-int-conn {
		pins = "gpio55";
		function = "gpio";
		bias-pull-up;
	};

	ts_rst_conn: ts-rst-conn {
		pins = "gpio54";
		function = "gpio";
		bias-pull-up;
		drive-strength = <2>;
	};
};