linux-kernel - Re: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support

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Date:	Tue, 29 Mar 2016 16:02:32 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:	Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org
Subject: Re: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support



On 29/03/16 15:44, Bjorn Andersson wrote:
> 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.
>
When I started adding this I had same opinion, I will do that in next 
release.

thanks,
srini
> Regards,
> Bjorn
>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>> ---
>>   .../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@...80000 {
>> +			status = "okay";
>> +			qcom,mode = <GSBI_PROT_I2C>;
>> +			i2c@...a0000 {
>> +				/* On Low speed expansion and Sensors */
>> +				label = "LS-I2C0";
>> +				status = "okay";
>> +			};
>> +		};
>> +
>> +		gsbi@...00000 {
>> +			status = "okay";
>> +			qcom,mode = <GSBI_PROT_I2C>;
>> +			i2c@...80000 {
>> +			/* On Low speed expansion */
>> +				status = "okay";
>> +				label = "LS-I2C1";
>> +				clock-frequency = <200000>;
>> +				eeprom@52 {
>> +					compatible = "atmel,24c128";
>> +					reg = <0x52>;
>> +					pagesize = <64>;
>> +				};
>> +			};
>> +		};
>> +
>> +		gsbi@...00000 {
>> +			status = "okay";
>> +			qcom,mode = <GSBI_PROT_I2C>;
>> +			i2c@...80000 {
>> +				/* On High speed expansion */
>> +				label = "HS-CAM-I2C3";
>> +				status = "okay";
>> +			};
>> +		};
>> +
>>   		/* DEBUG UART  */
>>   		gsbi@...00000 {
>>   			status = "okay";
>> @@ -190,6 +230,12 @@
>>   				pinctrl-names = "default";
>>   				pinctrl-0 = <&gsbi7_uart_2pins>;
>>   			};
>> +
>> +			i2c@...80000 {
>> +				/* On High speed expansion */
>> +				status = "okay";
>> +				label = "HS-CAM-I2C2";
>> +			};
>>   		};
>>
>>   		leds {
>> --
>> 2.5.0
>>