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authorLucas Stach <l.stach@pengutronix.de>2015-06-19 18:09:50 +0200
committerShawn Guo <shawnguo@kernel.org>2015-07-15 10:20:36 +0800
commitfb00ff4c30a8cce32371e5d1abcbb33be1b6d506 (patch)
tree2e26cf244d8f0de31f634fc7647ce54322938685
parentARM: dts: imx6qdl-sabreauto: Add audio support (diff)
downloadwireguard-linux-fb00ff4c30a8cce32371e5d1abcbb33be1b6d506.tar.xz
wireguard-linux-fb00ff4c30a8cce32371e5d1abcbb33be1b6d506.zip
ARM: dts: imx53-qsb: select open-drain mode for i2c1 pads
Both imx53-qsb and imx53-qsrb don't have external pull-up resistors on the I2C1 SCL and SDA lines populated. Select open-drain mode and enable the internal pull-up for both. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
-rw-r--r--arch/arm/boot/dts/imx53-qsb-common.dtsi5
-rw-r--r--arch/arm/boot/dts/imx53-qsrb.dts14
2 files changed, 4 insertions, 15 deletions
diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index 181ae5ebf23f..43932bb7b691 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -228,10 +228,11 @@
>;
};
+ /* open drain */
pinctrl_i2c1: i2c1grp {
fsl,pins = <
- MX53_PAD_CSI0_DAT8__I2C1_SDA 0xc0000000
- MX53_PAD_CSI0_DAT9__I2C1_SCL 0xc0000000
+ MX53_PAD_CSI0_DAT8__I2C1_SDA 0x400001ec
+ MX53_PAD_CSI0_DAT9__I2C1_SCL 0x400001ec
>;
};
diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts
index 82d623d05915..66e47de5e826 100644
--- a/arch/arm/boot/dts/imx53-qsrb.dts
+++ b/arch/arm/boot/dts/imx53-qsrb.dts
@@ -20,15 +20,7 @@
};
&iomuxc {
- i2c1 {
- /* open drain */
- pinctrl_i2c1_qsrb: i2c1grp-1 {
- fsl,pins = <
- MX53_PAD_CSI0_DAT8__I2C1_SDA 0x400001ec
- MX53_PAD_CSI0_DAT9__I2C1_SCL 0x400001ec
- >;
- };
-
+ imx53-qsrb {
pinctrl_pmic: pmicgrp {
fsl,pins = <
MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */
@@ -38,10 +30,6 @@
};
&i2c1 {
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_i2c1_qsrb>;
- status = "okay";
-
pmic: mc34708@8 {
compatible = "fsl,mc34708";
pinctrl-names = "default";