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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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d888e9d783
Pinmuxing for DRA7x/AM57x family of processors need to be done in IO isolation as part of initial bootloader executed from SRAM. This is done as part of iodelay configuration sequence and is required due to the limitations introduced by erratum ID: i869[1] (IO Glitches can occur when changing IO settings) and elaborated in the Technical Reference Manual[2] 18.4.6.1.7 Isolation Requirements. Only peripheral that is permitted for dynamic pin mux configuration is MMC and DCAN. MMC is permitted to change to accommodate the requirements for varied speeds (which require IO-delay support in kernel as well). DCAN is a result of i893[1] (DCAN initialization sequence). DCAN pinmux is retained in this patch. MMC pinmux is missing from the dra7-evm.dts file and the board is relying on configuration done by bootloader. A subsequent patch will add MMC pinmux configuration. A side-effect of this patch is that NAND support is removed. NAND pins clash with VOUT3 on DRA7-EVM. U-Boot selects VOUT3 over NAND as per TI EVM application needs. [1] http://www.ti.com/lit/pdf/sprz429 [2] http://www.ti.com/lit/pdf/sprui30 Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
684 lines
14 KiB
Text
684 lines
14 KiB
Text
/*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/dts-v1/;
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#include "dra74x.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/clk/ti-dra7-atl.h>
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#include <dt-bindings/input/input.h>
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/ {
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model = "TI DRA742";
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compatible = "ti,dra7-evm", "ti,dra742", "ti,dra74", "ti,dra7";
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x80000000 0x0 0x60000000>; /* 1536 MB */
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};
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evm_3v3_sd: fixedregulator-sd {
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compatible = "regulator-fixed";
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regulator-name = "evm_3v3_sd";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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enable-active-high;
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gpio = <&pcf_gpio_21 5 GPIO_ACTIVE_HIGH>;
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};
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evm_3v3_sw: fixedregulator-evm_3v3_sw {
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compatible = "regulator-fixed";
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regulator-name = "evm_3v3_sw";
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vin-supply = <&sysen1>;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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aic_dvdd: fixedregulator-aic_dvdd {
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/* TPS77018DBVT */
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compatible = "regulator-fixed";
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regulator-name = "aic_dvdd";
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vin-supply = <&evm_3v3_sw>;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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extcon_usb1: extcon_usb1 {
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compatible = "linux,extcon-usb-gpio";
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id-gpio = <&pcf_gpio_21 1 GPIO_ACTIVE_HIGH>;
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};
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extcon_usb2: extcon_usb2 {
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compatible = "linux,extcon-usb-gpio";
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id-gpio = <&pcf_gpio_21 2 GPIO_ACTIVE_HIGH>;
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};
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vtt_fixed: fixedregulator-vtt {
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compatible = "regulator-fixed";
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regulator-name = "vtt_fixed";
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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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enable-active-high;
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vin-supply = <&sysen2>;
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gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>;
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};
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sound0: sound0 {
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compatible = "simple-audio-card";
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simple-audio-card,name = "DRA7xx-EVM";
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simple-audio-card,widgets =
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"Headphone", "Headphone Jack",
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"Line", "Line Out",
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"Microphone", "Mic Jack",
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"Line", "Line In";
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simple-audio-card,routing =
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"Headphone Jack", "HPLOUT",
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"Headphone Jack", "HPROUT",
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"Line Out", "LLOUT",
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"Line Out", "RLOUT",
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"MIC3L", "Mic Jack",
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"MIC3R", "Mic Jack",
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"Mic Jack", "Mic Bias",
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"LINE1L", "Line In",
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"LINE1R", "Line In";
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simple-audio-card,format = "dsp_b";
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simple-audio-card,bitclock-master = <&sound0_master>;
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simple-audio-card,frame-master = <&sound0_master>;
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simple-audio-card,bitclock-inversion;
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sound0_master: simple-audio-card,cpu {
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sound-dai = <&mcasp3>;
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system-clock-frequency = <5644800>;
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};
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simple-audio-card,codec {
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sound-dai = <&tlv320aic3106>;
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clocks = <&atl_clkin2_ck>;
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};
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};
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leds {
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compatible = "gpio-leds";
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led0 {
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label = "dra7:usr1";
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gpios = <&pcf_lcd 4 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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led1 {
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label = "dra7:usr2";
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gpios = <&pcf_lcd 5 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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led2 {
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label = "dra7:usr3";
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gpios = <&pcf_lcd 6 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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led3 {
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label = "dra7:usr4";
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gpios = <&pcf_lcd 7 GPIO_ACTIVE_LOW>;
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default-state = "off";
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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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#address-cells = <1>;
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#size-cells = <0>;
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autorepeat;
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USER1 {
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label = "btnUser1";
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linux,code = <BTN_0>;
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gpios = <&pcf_lcd 2 GPIO_ACTIVE_LOW>;
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};
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USER2 {
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label = "btnUser2";
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linux,code = <BTN_1>;
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gpios = <&pcf_lcd 3 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&dra7_pmx_core {
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dcan1_pins_default: dcan1_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37d0, PIN_OUTPUT_PULLUP | MUX_MODE0) /* dcan1_tx */
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DRA7XX_CORE_IOPAD(0x3818, PULL_UP | MUX_MODE1) /* wakeup0.dcan1_rx */
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>;
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};
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dcan1_pins_sleep: dcan1_pins_sleep {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37d0, MUX_MODE15 | PULL_UP) /* dcan1_tx.off */
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DRA7XX_CORE_IOPAD(0x3818, MUX_MODE15 | PULL_UP) /* wakeup0.off */
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>;
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};
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};
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&i2c1 {
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status = "okay";
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clock-frequency = <400000>;
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tps659038: tps659038@58 {
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compatible = "ti,tps659038";
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reg = <0x58>;
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tps659038_pmic {
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compatible = "ti,tps659038-pmic";
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regulators {
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smps123_reg: smps123 {
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/* VDD_MPU */
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regulator-name = "smps123";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1250000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps45_reg: smps45 {
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/* VDD_DSPEVE */
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regulator-name = "smps45";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1250000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps6_reg: smps6 {
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/* VDD_GPU - over VDD_SMPS6 */
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regulator-name = "smps6";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1250000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps7_reg: smps7 {
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/* CORE_VDD */
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regulator-name = "smps7";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1150000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps8_reg: smps8 {
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/* VDD_IVAHD */
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regulator-name = "smps8";
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regulator-min-microvolt = < 850000>;
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regulator-max-microvolt = <1250000>;
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regulator-always-on;
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regulator-boot-on;
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};
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smps9_reg: smps9 {
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/* VDDS1V8 */
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regulator-name = "smps9";
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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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ldo1_reg: ldo1 {
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/* LDO1_OUT --> SDIO */
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regulator-name = "ldo1";
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regulator-min-microvolt = <1800000>;
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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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ldo2_reg: ldo2 {
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/* VDD_RTCIO */
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/* LDO2 -> VDDSHV5, LDO2 also goes to CAN_PHY_3V3 */
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regulator-name = "ldo2";
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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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ldo3_reg: ldo3 {
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/* VDDA_1V8_PHY */
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regulator-name = "ldo3";
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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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ldo9_reg: ldo9 {
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/* VDD_RTC */
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regulator-name = "ldo9";
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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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regulator-allow-bypass;
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};
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ldoln_reg: ldoln {
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/* VDDA_1V8_PLL */
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regulator-name = "ldoln";
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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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ldousb_reg: ldousb {
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/* VDDA_3V_USB: VDDA_USBHS33 */
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regulator-name = "ldousb";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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};
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/* REGEN1 is unused */
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regen2: regen2 {
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/* Needed for PMIC internal resources */
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regulator-name = "regen2";
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regulator-boot-on;
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regulator-always-on;
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};
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/* REGEN3 is unused */
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sysen1: sysen1 {
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/* PMIC_REGEN_3V3 */
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regulator-name = "sysen1";
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regulator-boot-on;
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regulator-always-on;
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};
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sysen2: sysen2 {
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/* PMIC_REGEN_DDR */
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regulator-name = "sysen2";
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regulator-boot-on;
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regulator-always-on;
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};
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};
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};
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};
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pcf_lcd: gpio@20 {
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compatible = "ti,pcf8575", "nxp,pcf8575";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-parent = <&gpio6>;
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interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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pcf_gpio_21: gpio@21 {
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compatible = "ti,pcf8575", "nxp,pcf8575";
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reg = <0x21>;
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lines-initial-states = <0x1408>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-parent = <&gpio6>;
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interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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tlv320aic3106: tlv320aic3106@19 {
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#sound-dai-cells = <0>;
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compatible = "ti,tlv320aic3106";
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reg = <0x19>;
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adc-settle-ms = <40>;
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ai3x-micbias-vg = <1>; /* 2.0V */
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status = "okay";
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/* Regulators */
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AVDD-supply = <&evm_3v3_sw>;
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IOVDD-supply = <&evm_3v3_sw>;
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DRVDD-supply = <&evm_3v3_sw>;
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DVDD-supply = <&aic_dvdd>;
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};
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};
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&i2c2 {
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status = "okay";
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clock-frequency = <400000>;
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pcf_hdmi: gpio@26 {
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compatible = "ti,pcf8575", "nxp,pcf8575";
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reg = <0x26>;
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gpio-controller;
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#gpio-cells = <2>;
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p1 {
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/* vin6_sel_s0: high: VIN6, low: audio */
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gpio-hog;
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gpios = <1 GPIO_ACTIVE_HIGH>;
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output-low;
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line-name = "vin6_sel_s0";
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};
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};
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};
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&i2c3 {
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status = "okay";
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clock-frequency = <400000>;
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};
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&mcspi1 {
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status = "okay";
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};
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&mcspi2 {
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status = "okay";
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};
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&uart1 {
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status = "okay";
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interrupts-extended = <&crossbar_mpu GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
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<&dra7_pmx_core 0x3e0>;
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};
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&uart2 {
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status = "okay";
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};
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&uart3 {
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status = "okay";
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};
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&mmc1 {
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status = "okay";
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vmmc-supply = <&evm_3v3_sd>;
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vmmc_aux-supply = <&ldo1_reg>;
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bus-width = <4>;
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/*
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* SDCD signal is not being used here - using the fact that GPIO mode
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* is always hardwired.
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*/
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cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>;
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};
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&mmc2 {
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status = "okay";
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vmmc-supply = <&evm_3v3_sw>;
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bus-width = <8>;
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};
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&cpu0 {
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cpu0-supply = <&smps123_reg>;
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};
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&qspi {
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status = "okay";
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spi-max-frequency = <76800000>;
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m25p80@0 {
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compatible = "s25fl256s1";
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spi-max-frequency = <76800000>;
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reg = <0>;
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spi-tx-bus-width = <1>;
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spi-rx-bus-width = <4>;
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#address-cells = <1>;
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#size-cells = <1>;
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/* MTD partition table.
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* The ROM checks the first four physical blocks
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* for a valid file to boot and the flash here is
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* 64KiB block size.
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*/
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partition@0 {
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label = "QSPI.SPL";
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reg = <0x00000000 0x000010000>;
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};
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partition@1 {
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label = "QSPI.SPL.backup1";
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reg = <0x00010000 0x00010000>;
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};
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partition@2 {
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label = "QSPI.SPL.backup2";
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reg = <0x00020000 0x00010000>;
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};
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partition@3 {
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label = "QSPI.SPL.backup3";
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reg = <0x00030000 0x00010000>;
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};
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partition@4 {
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label = "QSPI.u-boot";
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reg = <0x00040000 0x00100000>;
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};
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partition@5 {
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label = "QSPI.u-boot-spl-os";
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reg = <0x00140000 0x00080000>;
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};
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partition@6 {
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label = "QSPI.u-boot-env";
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reg = <0x001c0000 0x00010000>;
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};
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partition@7 {
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label = "QSPI.u-boot-env.backup1";
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reg = <0x001d0000 0x0010000>;
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};
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partition@8 {
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label = "QSPI.kernel";
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reg = <0x001e0000 0x0800000>;
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};
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partition@9 {
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label = "QSPI.file-system";
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reg = <0x009e0000 0x01620000>;
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};
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};
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};
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&omap_dwc3_1 {
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extcon = <&extcon_usb1>;
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};
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&omap_dwc3_2 {
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extcon = <&extcon_usb2>;
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};
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&usb1 {
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dr_mode = "peripheral";
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};
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&usb2 {
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dr_mode = "host";
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};
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&elm {
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status = "okay";
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};
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&gpmc {
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/*
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* For the existing IOdelay configuration via U-Boot we don't
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* support NAND on dra7-evm. Keep it disabled. Enabling it
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* requires a different configuration by U-Boot.
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*/
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status = "disabled";
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ranges = <0 0 0x08000000 0x01000000>; /* minimum GPMC partition = 16MB */
|
|
nand@0,0 {
|
|
compatible = "ti,omap2-nand";
|
|
reg = <0 0 4>; /* device IO registers */
|
|
interrupt-parent = <&gpmc>;
|
|
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
|
|
<1 IRQ_TYPE_NONE>; /* termcount */
|
|
rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 pin */
|
|
ti,nand-ecc-opt = "bch8";
|
|
ti,elm-id = <&elm>;
|
|
nand-bus-width = <16>;
|
|
gpmc,device-width = <2>;
|
|
gpmc,sync-clk-ps = <0>;
|
|
gpmc,cs-on-ns = <0>;
|
|
gpmc,cs-rd-off-ns = <80>;
|
|
gpmc,cs-wr-off-ns = <80>;
|
|
gpmc,adv-on-ns = <0>;
|
|
gpmc,adv-rd-off-ns = <60>;
|
|
gpmc,adv-wr-off-ns = <60>;
|
|
gpmc,we-on-ns = <10>;
|
|
gpmc,we-off-ns = <50>;
|
|
gpmc,oe-on-ns = <4>;
|
|
gpmc,oe-off-ns = <40>;
|
|
gpmc,access-ns = <40>;
|
|
gpmc,wr-access-ns = <80>;
|
|
gpmc,rd-cycle-ns = <80>;
|
|
gpmc,wr-cycle-ns = <80>;
|
|
gpmc,bus-turnaround-ns = <0>;
|
|
gpmc,cycle2cycle-delay-ns = <0>;
|
|
gpmc,clk-activation-ns = <0>;
|
|
gpmc,wr-data-mux-bus-ns = <0>;
|
|
/* MTD partition table */
|
|
/* All SPL-* partitions are sized to minimal length
|
|
* which can be independently programmable. For
|
|
* NAND flash this is equal to size of erase-block */
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
partition@0 {
|
|
label = "NAND.SPL";
|
|
reg = <0x00000000 0x000020000>;
|
|
};
|
|
partition@1 {
|
|
label = "NAND.SPL.backup1";
|
|
reg = <0x00020000 0x00020000>;
|
|
};
|
|
partition@2 {
|
|
label = "NAND.SPL.backup2";
|
|
reg = <0x00040000 0x00020000>;
|
|
};
|
|
partition@3 {
|
|
label = "NAND.SPL.backup3";
|
|
reg = <0x00060000 0x00020000>;
|
|
};
|
|
partition@4 {
|
|
label = "NAND.u-boot-spl-os";
|
|
reg = <0x00080000 0x00040000>;
|
|
};
|
|
partition@5 {
|
|
label = "NAND.u-boot";
|
|
reg = <0x000c0000 0x00100000>;
|
|
};
|
|
partition@6 {
|
|
label = "NAND.u-boot-env";
|
|
reg = <0x001c0000 0x00020000>;
|
|
};
|
|
partition@7 {
|
|
label = "NAND.u-boot-env.backup1";
|
|
reg = <0x001e0000 0x00020000>;
|
|
};
|
|
partition@8 {
|
|
label = "NAND.kernel";
|
|
reg = <0x00200000 0x00800000>;
|
|
};
|
|
partition@9 {
|
|
label = "NAND.file-system";
|
|
reg = <0x00a00000 0x0f600000>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&usb2_phy1 {
|
|
phy-supply = <&ldousb_reg>;
|
|
};
|
|
|
|
&usb2_phy2 {
|
|
phy-supply = <&ldousb_reg>;
|
|
};
|
|
|
|
&gpio7 {
|
|
ti,no-reset-on-init;
|
|
ti,no-idle-on-init;
|
|
};
|
|
|
|
&mac {
|
|
status = "okay";
|
|
dual_emac;
|
|
};
|
|
|
|
&cpsw_emac0 {
|
|
phy_id = <&davinci_mdio>, <2>;
|
|
phy-mode = "rgmii";
|
|
dual_emac_res_vlan = <1>;
|
|
};
|
|
|
|
&cpsw_emac1 {
|
|
phy_id = <&davinci_mdio>, <3>;
|
|
phy-mode = "rgmii";
|
|
dual_emac_res_vlan = <2>;
|
|
};
|
|
|
|
&dcan1 {
|
|
status = "ok";
|
|
pinctrl-names = "default", "sleep", "active";
|
|
pinctrl-0 = <&dcan1_pins_sleep>;
|
|
pinctrl-1 = <&dcan1_pins_sleep>;
|
|
pinctrl-2 = <&dcan1_pins_default>;
|
|
};
|
|
|
|
&atl {
|
|
assigned-clocks = <&abe_dpll_sys_clk_mux>,
|
|
<&atl_gfclk_mux>,
|
|
<&dpll_abe_ck>,
|
|
<&dpll_abe_m2x2_ck>,
|
|
<&atl_clkin2_ck>;
|
|
assigned-clock-parents = <&sys_clkin2>, <&dpll_abe_m2_ck>;
|
|
assigned-clock-rates = <0>, <0>, <180633600>, <361267200>, <5644800>;
|
|
|
|
status = "okay";
|
|
|
|
atl2 {
|
|
bws = <DRA7_ATL_WS_MCASP2_FSX>;
|
|
aws = <DRA7_ATL_WS_MCASP3_FSX>;
|
|
};
|
|
};
|
|
|
|
&mcasp3 {
|
|
#sound-dai-cells = <0>;
|
|
|
|
assigned-clocks = <&mcasp3_ahclkx_mux>;
|
|
assigned-clock-parents = <&atl_clkin2_ck>;
|
|
|
|
status = "okay";
|
|
|
|
op-mode = <0>; /* MCASP_IIS_MODE */
|
|
tdm-slots = <2>;
|
|
/* 4 serializer */
|
|
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
|
|
1 2 0 0
|
|
>;
|
|
tx-num-evt = <32>;
|
|
rx-num-evt = <32>;
|
|
};
|
|
|
|
&mailbox5 {
|
|
status = "okay";
|
|
mbox_ipu1_ipc3x: mbox_ipu1_ipc3x {
|
|
status = "okay";
|
|
};
|
|
mbox_dsp1_ipc3x: mbox_dsp1_ipc3x {
|
|
status = "okay";
|
|
};
|
|
};
|
|
|
|
&mailbox6 {
|
|
status = "okay";
|
|
mbox_ipu2_ipc3x: mbox_ipu2_ipc3x {
|
|
status = "okay";
|
|
};
|
|
mbox_dsp2_ipc3x: mbox_dsp2_ipc3x {
|
|
status = "okay";
|
|
};
|
|
};
|