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Message-Id: <1521628698-1178-1-git-send-email-yibin.gong@nxp.com>
Date: Wed, 21 Mar 2018 18:38:18 +0800
From: Robin Gong <yibin.gong@....com>
To: shawnguo@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
linux@...linux.org.uk, kernel@...gutronix.de,
fabio.estevam@....com, aisheng.dong@....com
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-imx@....com
Subject: [PATCH v1] ARM: dts: imx6qdl-sabreauto: add ecspi dts for sabreauto board
DIN pin of SPI-NOR muxed with I2C3_SDA which connected to one gpio expand
chip, thus have to disable all those module which compacted by those gpios
if enable SPI-NOR support on Sabreauto board.
Signed-off-by: Robin Gong <yibin.gong@....com>
---
arch/arm/boot/dts/Makefile | 2 ++
arch/arm/boot/dts/imx6dl-sabreauto-ecspi.dts | 47 +++++++++++++++++++++++++++
arch/arm/boot/dts/imx6q-sabreauto-ecspi.dts | 48 ++++++++++++++++++++++++++++
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 1 +
4 files changed, 98 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6dl-sabreauto-ecspi.dts
create mode 100644 arch/arm/boot/dts/imx6q-sabreauto-ecspi.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 4fe209c..4a814bb 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -406,6 +406,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
imx6dl-rex-basic.dtb \
imx6dl-riotboard.dtb \
imx6dl-sabreauto.dtb \
+ imx6dl-sabreauto-ecspi.dtb \
imx6dl-sabrelite.dtb \
imx6dl-sabresd.dtb \
imx6dl-savageboard.dtb \
@@ -478,6 +479,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
imx6q-pistachio.dtb \
imx6q-rex-pro.dtb \
imx6q-sabreauto.dtb \
+ imx6q-sabreauto-ecspi.dtb \
imx6q-sabrelite.dtb \
imx6q-sabresd.dtb \
imx6q-savageboard.dtb \
diff --git a/arch/arm/boot/dts/imx6dl-sabreauto-ecspi.dts b/arch/arm/boot/dts/imx6dl-sabreauto-ecspi.dts
new file mode 100644
index 0000000..80d018d
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-sabreauto-ecspi.dts
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "imx6dl-sabreauto.dts"
+
+&gpio5 {
+ eim_d18_steered {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_LOW>;
+ output-high;
+ line-name = "ecspi1_din";
+ };
+};
+
+&ecspi1 {
+ status = "okay";
+};
+
+&can2 {
+ /* max7310_c on i2c3 is gone */
+ status = "disabled";
+};
+
+&i2c3 {
+ /* pin conflict with ecspi1 */
+ status = "disabled";
+};
+
+&uart3 {
+ /* the uart3 depends on the i2c3, so disable it too. */
+ status = "disabled";
+};
+
+&usbh1 {
+ /* max7310_b on i2c3 is gone */
+ status = "disabled";
+};
+
+&usbotg {
+ dr_mode = "peripheral";
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6q-sabreauto-ecspi.dts b/arch/arm/boot/dts/imx6q-sabreauto-ecspi.dts
new file mode 100644
index 0000000..cb7f38e
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-sabreauto-ecspi.dts
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "imx6q-sabreauto.dts"
+
+&gpio5 {
+ eim_d18_steered {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_LOW>;
+ output-high;
+ line-name = "ecspi1_din";
+ };
+};
+
+&ecspi1 {
+ status = "okay";
+};
+
+&can2 {
+ /* max7310_c on i2c3 is gone */
+ status = "disabled";
+};
+
+&i2c3 {
+ /* pin conflict with ecspi1 */
+ status = "disabled";
+};
+
+&uart3 {
+ /* the uart3 depends on the i2c3, so disable it too. */
+ status = "disabled";
+};
+
+&usbh1 {
+ /* max7310_b on i2c3 is gone */
+ status = "disabled";
+};
+
+&usbotg {
+ /* max7310_c on i2c3 is gone */
+ status = "okay";
+ dr_mode = "peripheral";
+};
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index 54b0139..b83efc3 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -375,6 +375,7 @@
MX6QDL_PAD_NANDF_CS2__GPIO6_IO15 0x80000000
MX6QDL_PAD_SD2_DAT2__GPIO1_IO13 0x80000000
MX6QDL_PAD_GPIO_18__SD3_VSELECT 0x17059
+ MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x80000000
>;
};
--
2.7.4
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