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0ebdbc505b
Define the SILK board dependent part of the QSPI device node. Add device nodes for Spansion S25FL512S SPI flash and MTD partitions on it. Based on the original patch by Vladimir Barinov <vladimir.barinov@cogentembedded.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
143 lines
2.6 KiB
Plaintext
143 lines
2.6 KiB
Plaintext
/*
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* Device Tree Source for the SILK board
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*
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* Copyright (C) 2014 Renesas Electronics Corporation
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* Copyright (C) 2014-2015 Renesas Solutions Corp.
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* Copyright (C) 2014-2015 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 "r8a7794.dtsi"
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/ {
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model = "SILK";
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compatible = "renesas,silk", "renesas,r8a7794";
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aliases {
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serial0 = &scif2;
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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 = &scif2;
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};
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memory@40000000 {
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device_type = "memory";
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reg = <0 0x40000000 0 0x40000000>;
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};
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d3_3v: regulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "D3.3V";
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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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regulator-always-on;
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};
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};
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&extal_clk {
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clock-frequency = <20000000>;
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};
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&pfc {
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scif2_pins: serial2 {
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renesas,groups = "scif2_data";
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renesas,function = "scif2";
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};
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ether_pins: ether {
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renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
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renesas,function = "eth";
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};
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phy1_pins: phy1 {
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renesas,groups = "intc_irq8";
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renesas,function = "intc";
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};
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mmcif0_pins: mmcif0 {
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renesas,groups = "mmc_data8", "mmc_ctrl";
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renesas,function = "mmc";
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};
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qspi_pins: spi0 {
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renesas,groups = "qspi_ctrl", "qspi_data4";
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renesas,function = "qspi";
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};
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};
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&scif2 {
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pinctrl-0 = <&scif2_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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ðer {
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pinctrl-0 = <ðer_pins &phy1_pins>;
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pinctrl-names = "default";
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phy-handle = <&phy1>;
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renesas,ether-link-active-low;
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status = "okay";
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phy1: ethernet-phy@1 {
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reg = <1>;
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interrupt-parent = <&irqc0>;
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interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
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micrel,led-mode = <1>;
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};
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};
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&mmcif0 {
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pinctrl-0 = <&mmcif0_pins>;
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pinctrl-names = "default";
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vmmc-supply = <&d3_3v>;
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vqmmc-supply = <&d3_3v>;
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bus-width = <8>;
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non-removable;
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status = "okay";
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};
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&qspi {
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pinctrl-0 = <&qspi_pins>;
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pinctrl-names = "default";
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status = "okay";
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flash@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "spansion,s25fl512s", "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <30000000>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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spi-cpol;
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spi-cpha;
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m25p,fast-read;
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partition@0 {
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label = "loader";
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reg = <0x00000000 0x00040000>;
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read-only;
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};
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partition@40000 {
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label = "user";
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reg = <0x00040000 0x00400000>;
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read-only;
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};
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partition@440000 {
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label = "flash";
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reg = <0x00440000 0x03bc0000>;
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};
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};
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};
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