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| author | Lucas Stach <l.stach@pengutronix.de> | 2015-06-19 19:09:50 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-07-15 05:20:36 +0300 |
| commit | fb00ff4c30a8cce32371e5d1abcbb33be1b6d506 (patch) | |
| tree | 2e26cf244d8f0de31f634fc7647ce54322938685 /arch/arm/boot | |
| parent | 97dae8590fa314c41dfb629848c7cab494d8950d (diff) | |
| download | linux-fb00ff4c30a8cce32371e5d1abcbb33be1b6d506.tar.xz | |
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>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/imx53-qsb-common.dtsi | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx53-qsrb.dts | 14 |
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"; |