64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
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From 9349f2329d3072932c9069474fbc8fbbda5a5bc4 Mon Sep 17 00:00:00 2001
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From: Yang Deokgyu <secugyu@gmail.com>
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Date: Thu, 14 Nov 2019 13:45:22 +0900
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Subject: [PATCH 20/75] ODROID-XU4: Add support for SPI1 on the 40 pin header
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Signed-off-by: Yang Deokgyu <secugyu@gmail.com>
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Change-Id: I0b1d16b0f445838509eeb0cc8093239fa1805605
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---
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arch/arm/boot/dts/exynos5422-odroidxu4.dts | 20 ++++++++++++++++++++
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drivers/spi/spidev.c | 2 ++
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2 files changed, 22 insertions(+)
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diff --git a/arch/arm/boot/dts/exynos5422-odroidxu4.dts b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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index 499c338fdd6e..91716b1e33b6 100644
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--- a/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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+++ b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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@@ -11,6 +11,7 @@
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/dts-v1/;
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#include <dt-bindings/sound/samsung-i2s.h>
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#include "exynos5422-odroidxu3-common.dtsi"
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+#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "Hardkernel Odroid XU4";
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@@ -103,3 +104,22 @@ &hsi2c_5 {
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samsung,hs-mode;
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clock-frequency = <400000>;
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};
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+
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+&spi_1 {
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+ status = "okay";
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+ samsung,spi-src-clk = <0>;
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+ num-cs = <2>;
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+ cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>, <&gpx2 1 GPIO_ACTIVE_HIGH>;
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+
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+ spidev: spidev@0 {
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+ status = "okay";
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+ reg = <0>;
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+ compatible = "odroid,spidev";
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+ spi-max-frequency = <1000000>;
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+
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+ controller-data {
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+ cs-gpio = <&gpa2 5 GPIO_ACTIVE_HIGH>;
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+ samsung,spi-feedback-delay = <0>;
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+ };
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+ };
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+};
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diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
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index 1bd73e322b7b..494d2a56d02c 100644
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--- a/drivers/spi/spidev.c
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+++ b/drivers/spi/spidev.c
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@@ -696,6 +696,8 @@ static const struct of_device_id spidev_dt_ids[] = {
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{ .compatible = "menlo,m53cpld" },
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{ .compatible = "cisco,spi-petra" },
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{ .compatible = "micron,spi-authenta" },
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+ /* ODROID Modification */
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+ { .compatible = "odroid,spidev" },
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{},
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};
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MODULE_DEVICE_TABLE(of, spidev_dt_ids);
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--
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2.25.1
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