diff mbox

[v3,5/5] arm: qcom: dts: Enable NAND node on IPQ8064 AP148 platform

Message ID 1438578498-32254-6-git-send-email-architt@codeaurora.org
State Superseded
Headers show

Commit Message

Archit Taneja Aug. 3, 2015, 5:08 a.m. UTC
Enable the NAND controller node on the AP148 platform. Provide pinmux
information.

Cc: devicetree@vger.kernel.org

Signed-off-by: Archit Taneja <architt@codeaurora.org>
---
 arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 36 ++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

Comments

Andy Gross Aug. 3, 2015, 7:35 p.m. UTC | #1
On Mon, Aug 03, 2015 at 10:38:18AM +0530, Archit Taneja wrote:
> Enable the NAND controller node on the AP148 platform. Provide pinmux
> information.
> 
> Cc: devicetree@vger.kernel.org
> 
> Signed-off-by: Archit Taneja <architt@codeaurora.org>
> ---
>  arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 36 ++++++++++++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
> index 7f9ea50..2e88eff 100644
> --- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
> +++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
> @@ -30,6 +30,28 @@
>  					bias-none;
>  				};
>  			};
> +			nand_pins: nand_pins {
> +				mux {
> +					pins = "gpio34", "gpio35", "gpio36",
> +					       "gpio37", "gpio38", "gpio39",
> +					       "gpio40", "gpio41", "gpio42",
> +					       "gpio43", "gpio44", "gpio45",
> +					       "gpio46", "gpio47";
> +					function = "nand";
> +					drive-strength = <10>;
> +					bias-disable;
> +				};
> +				pullups {
> +					pins = "gpio39";
> +					bias-pull-up;
> +				};
> +				hold {
> +					pins = "gpio40", "gpio41", "gpio42",
> +					       "gpio43", "gpio44", "gpio45",
> +					       "gpio46", "gpio47";
> +					bias-bus-hold;

Maybe split out the bias-disable into a separate set and remove that property
from the mux.

> +				};
> +			};
>  		};
>  
>  		gsbi@16300000 {
> @@ -93,5 +115,19 @@
>  		sata@29000000 {
>  			status = "ok";
>  		};
> +
> +		nand@1ac00000 {
> +			status = "ok";
> +
> +			pinctrl-0 = <&nand_pins>;
> +			pinctrl-names = "default";
> +
> +			nand-ecc-strength = <4>;
> +			nand-bus-width = <8>;
> +		};
>  	};
>  };
> +
> +&adm_dma {
> +	status = "ok";
> +};
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
Stephen Boyd Aug. 3, 2015, 8:58 p.m. UTC | #2
On 08/03, Archit Taneja wrote:
> @@ -93,5 +115,19 @@
>  		sata@29000000 {
>  			status = "ok";
>  		};
> +
> +		nand@1ac00000 {
> +			status = "ok";
> +
> +			pinctrl-0 = <&nand_pins>;
> +			pinctrl-names = "default";
> +
> +			nand-ecc-strength = <4>;
> +			nand-bus-width = <8>;
> +		};
>  	};
>  };
> +
> +&adm_dma {
> +	status = "ok";
> +};

I think the preference is to put the full path to the device in
the dts file and then have status = "ok". So please move this
into the soc node and give the correct offset, etc. like we've
done for other nodes.
Archit Taneja Aug. 4, 2015, 3:05 p.m. UTC | #3
On 8/4/2015 1:05 AM, Andy Gross wrote:
> On Mon, Aug 03, 2015 at 10:38:18AM +0530, Archit Taneja wrote:
>> Enable the NAND controller node on the AP148 platform. Provide pinmux
>> information.
>>
>> Cc: devicetree@vger.kernel.org
>>
>> Signed-off-by: Archit Taneja <architt@codeaurora.org>
>> ---
>>   arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 36 ++++++++++++++++++++++++++++++++
>>   1 file changed, 36 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
>> index 7f9ea50..2e88eff 100644
>> --- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
>> +++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
>> @@ -30,6 +30,28 @@
>>   					bias-none;
>>   				};
>>   			};
>> +			nand_pins: nand_pins {
>> +				mux {
>> +					pins = "gpio34", "gpio35", "gpio36",
>> +					       "gpio37", "gpio38", "gpio39",
>> +					       "gpio40", "gpio41", "gpio42",
>> +					       "gpio43", "gpio44", "gpio45",
>> +					       "gpio46", "gpio47";
>> +					function = "nand";
>> +					drive-strength = <10>;
>> +					bias-disable;
>> +				};
>> +				pullups {
>> +					pins = "gpio39";
>> +					bias-pull-up;
>> +				};
>> +				hold {
>> +					pins = "gpio40", "gpio41", "gpio42",
>> +					       "gpio43", "gpio44", "gpio45",
>> +					       "gpio46", "gpio47";
>> +					bias-bus-hold;
>
> Maybe split out the bias-disable into a separate set and remove that property
> from the mux.

I'll fix this.

Thanks,
Archit
Archit Taneja Aug. 4, 2015, 3:06 p.m. UTC | #4
On 8/4/2015 2:28 AM, Stephen Boyd wrote:
> On 08/03, Archit Taneja wrote:
>> @@ -93,5 +115,19 @@
>>   		sata@29000000 {
>>   			status = "ok";
>>   		};
>> +
>> +		nand@1ac00000 {
>> +			status = "ok";
>> +
>> +			pinctrl-0 = <&nand_pins>;
>> +			pinctrl-names = "default";
>> +
>> +			nand-ecc-strength = <4>;
>> +			nand-bus-width = <8>;
>> +		};
>>   	};
>>   };
>> +
>> +&adm_dma {
>> +	status = "ok";
>> +};
>
> I think the preference is to put the full path to the device in
> the dts file and then have status = "ok". So please move this
> into the soc node and give the correct offset, etc. like we've
> done for other nodes.

I'll do that.

Archit
diff mbox

Patch

diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
index 7f9ea50..2e88eff 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -30,6 +30,28 @@ 
 					bias-none;
 				};
 			};
+			nand_pins: nand_pins {
+				mux {
+					pins = "gpio34", "gpio35", "gpio36",
+					       "gpio37", "gpio38", "gpio39",
+					       "gpio40", "gpio41", "gpio42",
+					       "gpio43", "gpio44", "gpio45",
+					       "gpio46", "gpio47";
+					function = "nand";
+					drive-strength = <10>;
+					bias-disable;
+				};
+				pullups {
+					pins = "gpio39";
+					bias-pull-up;
+				};
+				hold {
+					pins = "gpio40", "gpio41", "gpio42",
+					       "gpio43", "gpio44", "gpio45",
+					       "gpio46", "gpio47";
+					bias-bus-hold;
+				};
+			};
 		};
 
 		gsbi@16300000 {
@@ -93,5 +115,19 @@ 
 		sata@29000000 {
 			status = "ok";
 		};
+
+		nand@1ac00000 {
+			status = "ok";
+
+			pinctrl-0 = <&nand_pins>;
+			pinctrl-names = "default";
+
+			nand-ecc-strength = <4>;
+			nand-bus-width = <8>;
+		};
 	};
 };
+
+&adm_dma {
+	status = "ok";
+};