linux_dsm_epyc7002/arch/arm/boot/dts/am3517-som.dtsi
Adam Ford 7b0038e419 ARM: dts: am3517-som: Add Seiko Instruments RTC s35390a
The SOM used in the am3517-evm has a s35390a onboard.  This
patch allows the s35390a to be used as the RTC.

Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-05-15 11:32:53 -07:00

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/*
* Copyright (C) 2016 Derald D. Woods <woods.technical@gmail.com>
*
* Based on am3517-evm.dts
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/ {
cpus {
cpu@0 {
cpu0-supply = <&vdd_core_reg>;
};
};
};
&gpmc {
ranges = <0 0 0x30000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
compatible = "ti,omap2-nand";
linux,mtd-name = "micron,mt29f4g16abchch";
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
gpmc,cs-wr-off-ns = <44>;
gpmc,adv-on-ns = <6>;
gpmc,adv-rd-off-ns = <34>;
gpmc,adv-wr-off-ns = <44>;
gpmc,we-off-ns = <40>;
gpmc,oe-off-ns = <54>;
gpmc,access-ns = <64>;
gpmc,rd-cycle-ns = <82>;
gpmc,wr-cycle-ns = <82>;
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
gpmc,device-width = <2>;
#address-cells = <1>;
#size-cells = <1>;
};
};
&i2c1 {
clock-frequency = <400000>;
s35390a: s35390a@30 {
compatible = "sii,s35390a";
reg = <0x30>;
pinctrl-names = "default";
pinctrl-0 = <&rtc_pins>;
interrupts-extended = <&gpio2 23 IRQ_TYPE_EDGE_FALLING>; /* gpio_55 */
};
tps: tps65023@48 {
compatible = "ti,tps65023";
reg = <0x48>;
regulators {
vdd_core_reg: VDCDC1 {
regulator-name = "vdd_core";
compatible = "regulator-fixed";
regulator-always-on;
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
};
vdd_io_reg: VDCDC2 {
regulator-name = "vdd_io";
compatible = "regulator-fixed";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vdd_1v8_reg: VDCDC3 {
regulator-name = "vdd_1v8";
compatible = "regulator-fixed";
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vdd_usb18_reg: LDO1 {
regulator-name = "vdd_usb18";
compatible = "regulator-fixed";
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vdd_usb33_reg: LDO2 {
regulator-name = "vdd_usb33";
compatible = "regulator-fixed";
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
};
touchscreen: tsc2004@4b {
compatible = "ti,tsc2004";
reg = <0x4b>;
vio-supply = <&vdd_io_reg>;
pinctrl-names = "default";
pinctrl-0 = <&tsc2004_pins>;
interrupts-extended = <&gpio3 1 IRQ_TYPE_EDGE_RISING>; /* gpio_65 */
touchscreen-fuzz-x = <4>;
touchscreen-fuzz-y = <7>;
touchscreen-fuzz-pressure = <2>;
touchscreen-size-x = <480>;
touchscreen-size-y = <272>;
touchscreen-max-pressure = <2048>;
ti,x-plate-ohms = <280>;
ti,esd-recovery-timeout-ms = <8000>;
};
};
&omap3_pmx_core {
rtc_pins: pinmux_rtc_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20b6, PIN_INPUT_PULLUP | MUX_MODE4) /* gpmc_ncs4.gpio_55 */
>;
};
tsc2004_pins: pinmux_tsc2004_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
>;
};
};