e3c1c6e41e
This patch adds basic support for orangepi-zero board. Board support package includes the following components: - mainline kernel v4.11 - mainline u-boot v2017.03 - extra kernel config options: spidev, spi nor flash, wifi - dts patches to enable SPI NOR and spidev More details about this board are available here: - http://linux-sunxi.org/Orange_Pi_Zero Note that at the moment networking is not supported right out of the box. Ethernet submission to mainline kernel is a work in progress, see the latest dwmac-sun8i branches at https://github.com/montjoie/linux On-board SDIO WiFi chip XR819 is supported by off-the-tree wireless driver available at https://github.com/fifteenhex/xradio Changes from v1: * Send patch using proper subject * Update xr819 kernel dts patch: add compatible property [Peter: fix s/PC/Zero/ typo] Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
43 lines
1.1 KiB
Diff
43 lines
1.1 KiB
Diff
From 8dd1b2a696bb7e9914abd11cc6f5c0f54c33d626 Mon Sep 17 00:00:00 2001
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From: Sergey Matyukevich <geomatsi@gmail.com>
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Date: Sat, 20 May 2017 15:36:51 +0300
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Subject: [PATCH 3/3] ARM: dts: orange-pi-zero: enable spidev
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On orange-pi-zero board SPI1 pins are accessible via GPIO expansion port.
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This patch enables spidev driver for SPI1.
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Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
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---
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arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
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index cdf19821b1f3..7242aaecb14f 100644
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--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
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+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
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@@ -59,6 +59,7 @@
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serial0 = &uart0;
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/* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
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ethernet1 = &xr819;
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+ spi1 = &spi1;
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};
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chosen {
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@@ -177,3 +178,13 @@
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};
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};
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};
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+
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+&spi1 {
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+ status = "okay";
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+
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+ spidev@0 {
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+ compatible = "rohm,dh2228fv";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ };
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+};
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--
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2.11.0
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