Re: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support
From: Bjorn Andersson <hidden>
Date: 2016-03-29 14:44:44
Also in:
linux-arm-kernel, linux-arm-msm, lkml
On Wed 23 Mar 12:48 PDT 2016, Srinivas Kandagatla wrote:
This patch adds nodes required to enable 4 i2c buses on the board which are connected to various sensors and eeprom.
I would like for the pinconf for these blocks to be in this patch (and file) to make it clear how they are configured and where to change them. Regards, Bjorn
quoted hunk ↗ jump to hunk
Signed-off-by: Srinivas Kandagatla <redacted> --- .../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+)diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts index 4fecd94..942de04 100644 --- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts +++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts@@ -8,6 +8,10 @@ aliases { serial0 = &gsbi7_serial; serial1 = &gsbi1_serial; + i2c0 = &gsbi2_i2c; + i2c1 = &gsbi3_i2c; + i2c2 = &gsbi4_i2c; + i2c3 = &gsbi7_i2c; }; regulators {@@ -180,6 +184,42 @@ }; }; + gsbi@12480000 { + status = "okay"; + qcom,mode = <GSBI_PROT_I2C>; + i2c@124a0000 { + /* On Low speed expansion and Sensors */ + label = "LS-I2C0"; + status = "okay"; + }; + }; + + gsbi@16200000 { + status = "okay"; + qcom,mode = <GSBI_PROT_I2C>; + i2c@16280000 { + /* On Low speed expansion */ + status = "okay"; + label = "LS-I2C1"; + clock-frequency = <200000>; + eeprom@52 { + compatible = "atmel,24c128"; + reg = <0x52>; + pagesize = <64>; + }; + }; + }; + + gsbi@16300000 { + status = "okay"; + qcom,mode = <GSBI_PROT_I2C>; + i2c@16380000 { + /* On High speed expansion */ + label = "HS-CAM-I2C3"; + status = "okay"; + }; + }; + /* DEBUG UART */ gsbi@16600000 { status = "okay";@@ -190,6 +230,12 @@ pinctrl-names = "default"; pinctrl-0 = <&gsbi7_uart_2pins>; }; + + i2c@16680000 { + /* On High speed expansion */ + status = "okay"; + label = "HS-CAM-I2C2"; + }; }; leds {-- 2.5.0