9880eed8bd
Add spi gpio node for 74LV595. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
54 lines
997 B
Text
54 lines
997 B
Text
/*
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* Copyright 2017 NXP
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/dts-v1/;
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#include "imx7d.dtsi"
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/ {
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model = "Freescale i.MX7 SabreSD Board";
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compatible = "fsl,imx7d-sdb", "fsl,imx7d";
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memory {
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reg = <0x80000000 0x80000000>;
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};
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spi4 {
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compatible = "spi-gpio";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi1>;
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status = "okay";
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gpio-sck = <&gpio1 13 0>;
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gpio-mosi = <&gpio1 9 0>;
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cs-gpios = <&gpio1 12 0>;
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num-chipselects = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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gpio_spi: gpio_spi@0 {
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compatible = "fairchild,74hc595";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0>;
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registers-number = <1>;
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registers-default = /bits/ 8 <0x74>; /* Enable PERI_3V3, SENSOR_RST_B and HDMI_RST*/
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spi-max-frequency = <100000>;
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};
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};
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};
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&iomuxc {
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imx7d-sdb {
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pinctrl_spi1: spi1grp {
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fsl,pins = <
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MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
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MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
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MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
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>;
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};
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};
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};
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