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Groups > linux.kernel > #1363632 > unrolled thread
| Started by | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
|---|---|
| First post | 2016-03-23 20:50 +0100 |
| Last post | 2016-03-29 17:10 +0200 |
| Articles | 3 — 2 participants |
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[PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-23 20:50 +0100
Re: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 16:50 +0200
Re: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-29 17:10 +0200
| From | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
|---|---|
| Date | 2016-03-23 20:50 +0100 |
| Subject | [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support |
| Message-ID | <rfWWZ-8bL-1@gated-at.bofh.it> |
This patch adds nodes required to enable 4 i2c buses on the board which
are connected to various sensors and eeprom.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.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@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
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| From | Bjorn Andersson <bjorn.andersson@linaro.org> |
|---|---|
| Date | 2016-03-29 16:50 +0200 |
| Message-ID | <ri37X-7Fn-3@gated-at.bofh.it> |
| In reply to | #1363632 |
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
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.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@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
>
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| From | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
|---|---|
| Date | 2016-03-29 17:10 +0200 |
| Message-ID | <ri3rl-82W-25@gated-at.bofh.it> |
| In reply to | #1366351 |
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@linaro.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@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
>>
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