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7859eb31e4
Define the Eagle board dependent part of the I2C0 device node. The I2C0 bus is populated by ON Semiconductor PCA9653 I/O expander and Analog Devices ADV7511W HDMI transmitter (but we're only describing the former chip now). Based on the original (and large) patch by Vladimir Barinov. Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
96 lines
1.6 KiB
Plaintext
96 lines
1.6 KiB
Plaintext
/*
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* Device Tree Source for the Eagle board
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*
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* Copyright (C) 2016-2017 Renesas Electronics Corp.
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* Copyright (C) 2017 Cogent Embedded, Inc.
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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 "r8a77970.dtsi"
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/ {
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model = "Renesas Eagle board based on r8a77970";
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compatible = "renesas,eagle", "renesas,r8a77970";
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aliases {
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serial0 = &scif0;
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ethernet0 = &avb;
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};
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chosen {
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bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
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stdout-path = "serial0:115200n8";
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};
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memory@48000000 {
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device_type = "memory";
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/* first 128MB is reserved for secure area. */
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reg = <0x0 0x48000000 0x0 0x38000000>;
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};
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};
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&avb {
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renesas,no-ether-link;
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phy-handle = <&phy0>;
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phy-mode = "rgmii-id";
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status = "okay";
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phy0: ethernet-phy@0 {
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rxc-skew-ps = <1500>;
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reg = <0>;
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interrupt-parent = <&gpio1>;
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interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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&extal_clk {
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clock-frequency = <16666666>;
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};
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&extalr_clk {
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clock-frequency = <32768>;
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};
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&i2c0 {
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pinctrl-0 = <&i2c0_pins>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <400000>;
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io_expander: gpio@20 {
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compatible = "onnn,pca9654";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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&pfc {
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i2c0_pins: i2c0 {
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groups = "i2c0";
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function = "i2c0";
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};
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scif0_pins: scif0 {
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groups = "scif0_data";
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function = "scif0";
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};
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};
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&rwdt {
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timeout-sec = <60>;
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status = "okay";
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};
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&scif0 {
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pinctrl-0 = <&scif0_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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