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251ed17395
This adds DT bindings for an AS3711 PMIC, used for supplying power to the CPU, some peripherals and the backlight, as well as extends the cpu0 DT node with OPPs and a reference to the PMIC to support the CPUFreq and CPU DVFS functions. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
166 lines
3.5 KiB
Plaintext
166 lines
3.5 KiB
Plaintext
/*
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* Device Tree Source for the KZM-A9-GT board
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*
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* Copyright (C) 2012 Horms Solutions Ltd.
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*
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* Based on sh73a0-kzm9g.dts
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* Copyright (C) 2012 Renesas Solutions Corp.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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/dts-v1/;
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/include/ "sh73a0.dtsi"
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/ {
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model = "KZM-A9-GT";
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compatible = "renesas,kzm9g-reference", "renesas,sh73a0";
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cpus {
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cpu@0 {
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cpu0-supply = <&vdd_dvfs>;
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operating-points = <
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/* kHz uV */
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1196000 1315000
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598000 1175000
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398667 1065000
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>;
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voltage-tolerance = <1>; /* 1% */
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};
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};
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chosen {
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bootargs = "console=tty0 console=ttySC4,115200 root=/dev/nfs ip=dhcp ignore_loglevel earlyprintk=sh-sci.4,115200";
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};
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memory {
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device_type = "memory";
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reg = <0x41000000 0x1e800000>;
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};
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reg_1p8v: regulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "fixed-1.8V";
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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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reg_3p3v: regulator@1 {
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.3V";
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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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lan9220@10000000 {
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compatible = "smsc,lan9220", "smsc,lan9115";
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reg = <0x10000000 0x100>;
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phy-mode = "mii";
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interrupt-parent = <&irqpin0>;
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interrupts = <3 0>; /* active low */
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reg-io-width = <4>;
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smsc,irq-push-pull;
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smsc,save-mac-address;
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vddvario-supply = <®_1p8v>;
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vdd33a-supply = <®_3p3v>;
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};
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};
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&i2c0 {
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as3711@40 {
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compatible = "ams,as3711";
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reg = <0x40>;
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regulators {
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vdd_dvfs: sd1 {
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regulator-name = "1.315V CPU";
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regulator-min-microvolt = <1050000>;
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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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sd2 {
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regulator-name = "1.8V";
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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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sd4 {
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regulator-name = "1.215V";
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regulator-min-microvolt = <1215000>;
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regulator-max-microvolt = <1235000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo2 {
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regulator-name = "2.8V CPU";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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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 = "3.0V CPU";
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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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ldo4 {
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regulator-name = "2.8V";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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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 = "2.8V #2";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-always-on;
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regulator-boot-on;
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};
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ldo7 {
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regulator-name = "1.15V CPU";
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regulator-min-microvolt = <1150000>;
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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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ldo8 {
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regulator-name = "1.15V CPU #2";
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regulator-min-microvolt = <1150000>;
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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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};
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};
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};
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&mmcif {
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bus-width = <8>;
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vmmc-supply = <®_1p8v>;
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status = "okay";
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};
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&sdhi0 {
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vmmc-supply = <®_3p3v>;
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bus-width = <4>;
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status = "okay";
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};
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&sdhi2 {
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vmmc-supply = <®_3p3v>;
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bus-width = <4>;
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broken-cd;
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status = "okay";
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};
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