mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 03:35:42 +07:00
0a10e85b6c
The ARM GIC only supports interrupts with either level-high or rising-edge types for SPIs. The interrupt type for the Palmas PMIC used for Tegra114 boards is specified as level-low which is invalid for the GIC. This has gone undetected because until recently, failures to set the interrupt type when the interrupts are mapped via firmware (such as device-tree) have not been reported. Since commits4b357daed6("genirq: Look-up trigger type if not specified by caller") and1e2a7d7849("irqdomain: Don't set type when mapping an IRQ"), failure to set the interrupt type will cause the requesting of the interrupt to fail and exposing incorrectly configured interrupts. Please note that although the interrupt type was never being set for the Palmas PMIC, it was still working fine, because the default type setting for the interrupt, 'level-high', happen to match the correct type for the interrupt. Finally, it should be noted that the Palmas interrupt from the PMIC is actually 'level-low', however, this interrupt signal is inverted by the Tegra PMC and so the GIC actually sees a 'level-high' interrupt which is what should be specified in the device-tree interrupt specifier. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
352 lines
7.4 KiB
Plaintext
352 lines
7.4 KiB
Plaintext
/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include "tegra114.dtsi"
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/ {
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model = "Tegra Note 7";
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compatible = "nvidia,tn7", "nvidia,tegra114";
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chosen {
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/* TN7's bootloader's arguments need to be overridden */
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bootargs = "console=ttyS0,115200n8 console=tty1 gpt fbcon=rotate:2";
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/* TN7's bootloader will place initrd at this address */
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linux,initrd-start = <0x82000000>;
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linux,initrd-end = <0x82800000>;
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};
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aliases {
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serial0 = &uartd;
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};
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firmware {
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trusted-foundations {
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compatible = "tlm,trusted-foundations";
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tlm,version-major = <2>;
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tlm,version-minor = <8>;
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};
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};
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memory {
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/* memory >= 0x37e00000 is reserved for firmware usage */
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reg = <0x80000000 0x37e00000>;
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};
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host1x@50000000 {
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dsi@54300000 {
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status = "okay";
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vdd-supply = <&vdd_1v2_ap>;
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panel@0 {
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compatible = "lg,ld070wx3-sl01";
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reg = <0>;
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power-supply = <&vdd_lcd>;
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backlight = <&backlight>;
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};
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};
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};
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serial@70006300 {
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status = "okay";
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};
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pwm@7000a000 {
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status = "okay";
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};
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i2c@7000d000 {
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status = "okay";
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clock-frequency = <400000>;
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palmas: pmic@58 {
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compatible = "ti,palmas";
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reg = <0x58>;
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interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
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#interrupt-cells = <2>;
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interrupt-controller;
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ti,system-power-controller;
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palmas_gpio: gpio {
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compatible = "ti,palmas-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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};
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pmic {
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compatible = "ti,tps65913-pmic", "ti,palmas-pmic";
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ldoln-in-supply = <&vdd_smps10_out2>;
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regulators {
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smps123 {
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regulator-name = "vd-cpu";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps45 {
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regulator-name = "vd-soc";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps6 {
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regulator-name = "va-lcd-hv";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps7 {
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regulator-name = "vd-ddr";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vdd_1v8: smps8 {
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regulator-name = "vs-pmu-1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vdd_2v9_sys: smps9 {
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regulator-name = "vs-sys-2v9";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <2900000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vdd_smps10_out1: smps10_out1 {
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regulator-name = "vd-smps10-out1";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vdd_smps10_out2: smps10_out2 {
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regulator-name = "vd-smps10-out2";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo1 {
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regulator-name = "va-pllx";
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regulator-min-microvolt = <1050000>;
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regulator-max-microvolt = <1050000>;
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regulator-always-on;
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regulator-boot-on;
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};
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vdd_1v2_ap: ldo2 {
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regulator-name = "va-ap-1v2";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo3 {
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regulator-name = "vd-fuse";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo4 {
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regulator-name = "vd-ts-hv";
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regulator-min-microvolt = <3200000>;
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regulator-max-microvolt = <3200000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo5 {
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regulator-name = "va-cam2-hv";
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regulator-min-microvolt = <2700000>;
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regulator-max-microvolt = <2700000>;
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};
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ldo6 {
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regulator-name = "va-sns-hv";
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <2850000>;
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};
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ldo7 {
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regulator-name = "va-cam1-hv";
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regulator-min-microvolt = <2700000>;
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regulator-max-microvolt = <2700000>;
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};
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ldo8 {
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regulator-name = "va-ap-rtc";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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ti,enable-ldo8-tracking;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo9 {
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regulator-name = "vi-sdcard";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <2900000>;
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};
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ldousb {
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regulator-name = "avdd-usb";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldoln {
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regulator-name = "va-hdmi";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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};
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};
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rtc {
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compatible = "ti,palmas-rtc";
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interrupt-parent = <&palmas>;
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interrupts = <8 0>;
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};
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};
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};
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pmc@7000e400 {
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nvidia,invert-interrupt;
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};
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/* eMMC */
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sdhci@78000600 {
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status = "okay";
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bus-width = <8>;
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non-removable;
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};
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usb@7d000000 {
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status = "okay";
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};
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usb-phy@7d000000 {
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status = "okay";
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nvidia,xcvr-setup = <7>;
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nvidia,xcvr-lsfslew = <2>;
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nvidia,xcvr-lsrslew = <2>;
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interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
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/* Should be changed to "otg" once we have vbus_supply */
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/* As of now, USB devices need to be powered externally */
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dr_mode = "host";
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pwms = <&pwm 1 40000>;
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brightness-levels = <0 4 8 16 32 64 128 255>;
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default-brightness-level = <6>;
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power-supply = <&lcd_bl_en>;
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};
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clocks {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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clk32k_in: clock@0 {
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compatible = "fixed-clock";
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reg = <0>;
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#clock-cells = <0>;
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clock-frequency = <32768>;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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power {
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label = "Power";
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gpios = <&gpio TEGRA_GPIO(Q, 0) GPIO_ACTIVE_LOW>;
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linux,code = <KEY_POWER>;
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wakeup-source;
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};
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volume_down {
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label = "Volume Down";
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gpios = <&gpio TEGRA_GPIO(Q, 2) GPIO_ACTIVE_LOW>;
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linux,code = <KEY_VOLUMEDOWN>;
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};
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volume_up {
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label = "Volume Up";
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gpios = <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_LOW>;
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linux,code = <KEY_VOLUMEUP>;
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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/* FIXME: output of BQ24192 */
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vs_sys: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "VS_SYS";
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regulator-min-microvolt = <4200000>;
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regulator-max-microvolt = <4200000>;
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regulator-always-on;
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regulator-boot-on;
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};
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lcd_bl_en: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "VDD_LCD_BL";
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regulator-min-microvolt = <16500000>;
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regulator-max-microvolt = <16500000>;
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gpio = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
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enable-active-high;
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vin-supply = <&vs_sys>;
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regulator-boot-on;
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};
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vdd_lcd: regulator@2 {
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compatible = "regulator-fixed";
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reg = <2>;
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regulator-name = "VD_LCD_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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gpio = <&palmas_gpio 4 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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vin-supply = <&vdd_1v8>;
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regulator-boot-on;
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};
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};
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};
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