From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank.Li@freescale.com (Frank Li) Date: Tue, 13 Nov 2012 16:53:56 +0800 Subject: [PATCH 1/2] ARM: dts: imx6q-sabresd: add i2c1 device and mma8451 Message-ID: <1352796836-24180-1-git-send-email-Frank.Li@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org add i2c1 device and mma8451 for sabresd board Signed-off-by: Frank Li --- arch/arm/boot/dts/imx6q-sabresd.dts | 24 ++++++++++++++++++++++++ arch/arm/boot/dts/imx6q.dtsi | 5 +++++ 2 files changed, 29 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-sabresd.dts b/arch/arm/boot/dts/imx6q-sabresd.dts index e596c28..aefdee4 100644 --- a/arch/arm/boot/dts/imx6q-sabresd.dts +++ b/arch/arm/boot/dts/imx6q-sabresd.dts @@ -42,6 +42,7 @@ 1410 0x80000000 /* MX6Q_PAD_NANDF_D1__GPIO_2_1 */ 1418 0x80000000 /* MX6Q_PAD_NANDF_D2__GPIO_2_2 */ 1426 0x80000000 /* MX6Q_PAD_NANDF_D3__GPIO_2_3 */ + 160 0x80000000 /* MX6Q_PAD_EIM_EB3__GPIO_2_31 */ >; }; }; @@ -71,6 +72,29 @@ wp-gpios = <&gpio2 1 0>; status = "okay"; }; + + i2c at 021a0000 { /* I2C1 */ + status = "okay"; + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1_2>; + + mma8451 at 1c { + compatible = "fsl,mma8451"; + reg = <0x1c>; + vdd-supply = <&sensor>; + vddio-supply = <&sensor>; + }; + }; }; }; + sensor: fixedregulator at 0 { + compatible = "regulator-fixed"; + regulator-name = "sensor-supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio2 31 1>; + startup-delay-us = <70000>; + enable-active-high; + }; }; diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index f3990b0..b637c70 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -637,6 +637,11 @@ 196 0x4001b8b1 /* MX6Q_PAD_EIM_D28__I2C1_SDA */ >; }; + pinctrl_i2c1_2: i2c1grp-2 { + fsl,pins = < + 1125 0x4001b8b1 /* MX6Q_PAD_CSI0_DAT8__I2C1_SDA */ + 1133 0x4001b8b1 /* MX6Q_PAD_CSI0_DAT9__I2C1_SCL */ >; + }; }; uart1 { -- 1.7.1