diff mbox

[v1,5/6] dtb: xgene: Remove clock nodes

Message ID 1464333768-26150-6-git-send-email-isubramanian@apm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Iyappan Subramanian May 27, 2016, 7:22 a.m. UTC
Since the MDIO will be responsible for clock reset, removing the clock
nodes from shadowcat xge0 and storm sgenet1.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Tested-by: Fushen Chen <fchen@apm.com>
Tested-by: Toan Le <toanle@apm.com>
---
 arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 12 ------------
 arch/arm64/boot/dts/apm/apm-storm.dtsi     | 18 ++++--------------
 2 files changed, 4 insertions(+), 26 deletions(-)

Comments

Matthias Brugger May 30, 2016, 7:34 a.m. UTC | #1
On 27/05/16 09:22, Iyappan Subramanian wrote:
> Since the MDIO will be responsible for clock reset, removing the clock
> nodes from shadowcat xge0 and storm sgenet1.
>
> Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
> Tested-by: Fushen Chen <fchen@apm.com>
> Tested-by: Toan Le <toanle@apm.com>
> ---
>   arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 12 ------------
>   arch/arm64/boot/dts/apm/apm-storm.dtsi     | 18 ++++--------------
>   2 files changed, 4 insertions(+), 26 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> index 8106957..f27563d 100644
> --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
> @@ -299,17 +299,6 @@
>   				clock-output-names = "pcie1clk";
>   			};
>
> -			xge0clk: xge0clk@1f61c000 {
> -				compatible = "apm,xgene-device-clock";
> -				#clock-cells = <1>;
> -				clocks = <&socplldiv2 0>;
> -				reg = <0x0 0x1f61c000 0x0 0x1000>;
> -				reg-names = "csr-reg";
> -				enable-mask = <0x3>;
> -				csr-mask = <0x3>;
> -				clock-output-names = "xge0clk";
> -			};
> -

mdio@0x1f610000 has xge0clk as input (patch 4), so deleting the node 
here will break the device tree. I suppose the mdio consumes the 
menetclk as in apm-storm.dtsi.

Regards,
Matthias

>   			xge1clk: xge1clk@1f62c000 {
>   				compatible = "apm,xgene-device-clock";
>   				#clock-cells = <1>;
> @@ -643,7 +632,6 @@
>   			interrupts = <0 96 4>,
>   				     <0 97 4>;
>   			dma-coherent;
> -			clocks = <&xge0clk 0>;
>   			local-mac-address = [00 01 73 00 00 01];
>   			phy-connection-type = "sgmii";
>   			phy-handle = <&sgenet0phy>;
> diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> index 18f694ea..f631fe4 100644
> --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> @@ -237,20 +237,11 @@
>   				clocks = <&socplldiv2 0>;
>   				reg = <0x0 0x1f21c000 0x0 0x1000>;
>   				reg-names = "csr-reg";
> -				csr-mask = <0x3>;
> +				csr-mask = <0xa>;
> +				enable-mask = <0xf>;
>   				clock-output-names = "sge0clk";
>   			};
>
> -			sge1clk: sge1clk@1f21c000 {
> -				compatible = "apm,xgene-device-clock";
> -				#clock-cells = <1>;
> -				clocks = <&socplldiv2 0>;
> -				reg = <0x0 0x1f21c000 0x0 0x1000>;
> -				reg-names = "csr-reg";
> -				csr-mask = <0xc>;
> -				clock-output-names = "sge1clk";
> -			};
> -
>   			xge0clk: xge0clk@1f61c000 {
>   				compatible = "apm,xgene-device-clock";
>   				#clock-cells = <1>;
> @@ -938,9 +929,9 @@
>   			reg-names = "enet_csr", "ring_csr", "ring_cmd";
>   			interrupts = <0x0 0x3c 0x4>;
>   			dma-coherent;
> -			clocks = <&menetclk 0>;
>   			/* mac address will be overwritten by the bootloader */
>   			local-mac-address = [00 00 00 00 00 00];
> +			clocks = <&menetclk 0>;
>   			phy-connection-type = "rgmii";
>   			phy-handle = <&menetphy>;
>   		};
> @@ -955,8 +946,8 @@
>   			interrupts = <0x0 0xA0 0x4>,
>   				     <0x0 0xA1 0x4>;
>   			dma-coherent;
> -			clocks = <&sge0clk 0>;
>   			local-mac-address = [00 00 00 00 00 00];
> +			clocks = <&sge0clk 0>;
>   			phy-connection-type = "sgmii";
>   			phy-handle = <&sgenet0phy>;
>   		};
> @@ -972,7 +963,6 @@
>   				     <0x0 0xAD 0x4>;
>   			port-id = <1>;
>   			dma-coherent;
> -			clocks = <&sge1clk 0>;
>   			local-mac-address = [00 00 00 00 00 00];
>   			phy-connection-type = "sgmii";
>   			phy-handle = <&sgenet1phy>;
>
Iyappan Subramanian May 31, 2016, 11:44 p.m. UTC | #2
On Mon, May 30, 2016 at 12:34 AM, Matthias Brugger
<matthias.bgg@gmail.com> wrote:
>
>
> On 27/05/16 09:22, Iyappan Subramanian wrote:
>>
>> Since the MDIO will be responsible for clock reset, removing the clock
>> nodes from shadowcat xge0 and storm sgenet1.
>>
>> Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
>> Tested-by: Fushen Chen <fchen@apm.com>
>> Tested-by: Toan Le <toanle@apm.com>
>> ---
>>   arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 12 ------------
>>   arch/arm64/boot/dts/apm/apm-storm.dtsi     | 18 ++++--------------
>>   2 files changed, 4 insertions(+), 26 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
>> b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
>> index 8106957..f27563d 100644
>> --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
>> +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
>> @@ -299,17 +299,6 @@
>>                                 clock-output-names = "pcie1clk";
>>                         };
>>
>> -                       xge0clk: xge0clk@1f61c000 {
>> -                               compatible = "apm,xgene-device-clock";
>> -                               #clock-cells = <1>;
>> -                               clocks = <&socplldiv2 0>;
>> -                               reg = <0x0 0x1f61c000 0x0 0x1000>;
>> -                               reg-names = "csr-reg";
>> -                               enable-mask = <0x3>;
>> -                               csr-mask = <0x3>;
>> -                               clock-output-names = "xge0clk";
>> -                       };
>> -
>
>
> mdio@0x1f610000 has xge0clk as input (patch 4), so deleting the node here
> will break the device tree. I suppose the mdio consumes the menetclk as in
> apm-storm.dtsi.

I added back xge0clk.

>
> Regards,
> Matthias
>
>
>>                         xge1clk: xge1clk@1f62c000 {
>>                                 compatible = "apm,xgene-device-clock";
>>                                 #clock-cells = <1>;
>> @@ -643,7 +632,6 @@
>>                         interrupts = <0 96 4>,
>>                                      <0 97 4>;
>>                         dma-coherent;
>> -                       clocks = <&xge0clk 0>;
>>                         local-mac-address = [00 01 73 00 00 01];
>>                         phy-connection-type = "sgmii";
>>                         phy-handle = <&sgenet0phy>;
>> diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi
>> b/arch/arm64/boot/dts/apm/apm-storm.dtsi
>> index 18f694ea..f631fe4 100644
>> --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
>> +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
>> @@ -237,20 +237,11 @@
>>                                 clocks = <&socplldiv2 0>;
>>                                 reg = <0x0 0x1f21c000 0x0 0x1000>;
>>                                 reg-names = "csr-reg";
>> -                               csr-mask = <0x3>;
>> +                               csr-mask = <0xa>;
>> +                               enable-mask = <0xf>;
>>                                 clock-output-names = "sge0clk";
>>                         };
>>
>> -                       sge1clk: sge1clk@1f21c000 {
>> -                               compatible = "apm,xgene-device-clock";
>> -                               #clock-cells = <1>;
>> -                               clocks = <&socplldiv2 0>;
>> -                               reg = <0x0 0x1f21c000 0x0 0x1000>;
>> -                               reg-names = "csr-reg";
>> -                               csr-mask = <0xc>;
>> -                               clock-output-names = "sge1clk";
>> -                       };
>> -
>>                         xge0clk: xge0clk@1f61c000 {
>>                                 compatible = "apm,xgene-device-clock";
>>                                 #clock-cells = <1>;
>> @@ -938,9 +929,9 @@
>>                         reg-names = "enet_csr", "ring_csr", "ring_cmd";
>>                         interrupts = <0x0 0x3c 0x4>;
>>                         dma-coherent;
>> -                       clocks = <&menetclk 0>;
>>                         /* mac address will be overwritten by the
>> bootloader */
>>                         local-mac-address = [00 00 00 00 00 00];
>> +                       clocks = <&menetclk 0>;
>>                         phy-connection-type = "rgmii";
>>                         phy-handle = <&menetphy>;
>>                 };
>> @@ -955,8 +946,8 @@
>>                         interrupts = <0x0 0xA0 0x4>,
>>                                      <0x0 0xA1 0x4>;
>>                         dma-coherent;
>> -                       clocks = <&sge0clk 0>;
>>                         local-mac-address = [00 00 00 00 00 00];
>> +                       clocks = <&sge0clk 0>;
>>                         phy-connection-type = "sgmii";
>>                         phy-handle = <&sgenet0phy>;
>>                 };
>> @@ -972,7 +963,6 @@
>>                                      <0x0 0xAD 0x4>;
>>                         port-id = <1>;
>>                         dma-coherent;
>> -                       clocks = <&sge1clk 0>;
>>                         local-mac-address = [00 00 00 00 00 00];
>>                         phy-connection-type = "sgmii";
>>                         phy-handle = <&sgenet1phy>;
>>
>
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
index 8106957..f27563d 100644
--- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
@@ -299,17 +299,6 @@ 
 				clock-output-names = "pcie1clk";
 			};
 
-			xge0clk: xge0clk@1f61c000 {
-				compatible = "apm,xgene-device-clock";
-				#clock-cells = <1>;
-				clocks = <&socplldiv2 0>;
-				reg = <0x0 0x1f61c000 0x0 0x1000>;
-				reg-names = "csr-reg";
-				enable-mask = <0x3>;
-				csr-mask = <0x3>;
-				clock-output-names = "xge0clk";
-			};
-
 			xge1clk: xge1clk@1f62c000 {
 				compatible = "apm,xgene-device-clock";
 				#clock-cells = <1>;
@@ -643,7 +632,6 @@ 
 			interrupts = <0 96 4>,
 				     <0 97 4>;
 			dma-coherent;
-			clocks = <&xge0clk 0>;
 			local-mac-address = [00 01 73 00 00 01];
 			phy-connection-type = "sgmii";
 			phy-handle = <&sgenet0phy>;
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index 18f694ea..f631fe4 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -237,20 +237,11 @@ 
 				clocks = <&socplldiv2 0>;
 				reg = <0x0 0x1f21c000 0x0 0x1000>;
 				reg-names = "csr-reg";
-				csr-mask = <0x3>;
+				csr-mask = <0xa>;
+				enable-mask = <0xf>;
 				clock-output-names = "sge0clk";
 			};
 
-			sge1clk: sge1clk@1f21c000 {
-				compatible = "apm,xgene-device-clock";
-				#clock-cells = <1>;
-				clocks = <&socplldiv2 0>;
-				reg = <0x0 0x1f21c000 0x0 0x1000>;
-				reg-names = "csr-reg";
-				csr-mask = <0xc>;
-				clock-output-names = "sge1clk";
-			};
-
 			xge0clk: xge0clk@1f61c000 {
 				compatible = "apm,xgene-device-clock";
 				#clock-cells = <1>;
@@ -938,9 +929,9 @@ 
 			reg-names = "enet_csr", "ring_csr", "ring_cmd";
 			interrupts = <0x0 0x3c 0x4>;
 			dma-coherent;
-			clocks = <&menetclk 0>;
 			/* mac address will be overwritten by the bootloader */
 			local-mac-address = [00 00 00 00 00 00];
+			clocks = <&menetclk 0>;
 			phy-connection-type = "rgmii";
 			phy-handle = <&menetphy>;
 		};
@@ -955,8 +946,8 @@ 
 			interrupts = <0x0 0xA0 0x4>,
 				     <0x0 0xA1 0x4>;
 			dma-coherent;
-			clocks = <&sge0clk 0>;
 			local-mac-address = [00 00 00 00 00 00];
+			clocks = <&sge0clk 0>;
 			phy-connection-type = "sgmii";
 			phy-handle = <&sgenet0phy>;
 		};
@@ -972,7 +963,6 @@ 
 				     <0x0 0xAD 0x4>;
 			port-id = <1>;
 			dma-coherent;
-			clocks = <&sge1clk 0>;
 			local-mac-address = [00 00 00 00 00 00];
 			phy-connection-type = "sgmii";
 			phy-handle = <&sgenet1phy>;