diff mbox series

[5/6] arm64: dts: qcom: ipq9574: Add support for nsscc node

Message ID 20230711093529.18355-6-quic_devipriy@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Add NSS clock controller support for IPQ9574 | expand

Commit Message

Devi Priya July 11, 2023, 9:35 a.m. UTC
Add a node for the nss clock controller found on ipq9574 based devices.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 44 +++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

Comments

Krzysztof Kozlowski July 11, 2023, 9:57 a.m. UTC | #1
On 11/07/2023 11:35, Devi Priya wrote:
> Add a node for the nss clock controller found on ipq9574 based devices.
> 
> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 44 +++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index f120c7c52351..257ce4a5bfd5 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -10,6 +10,8 @@
>  #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
> +#include <dt-bindings/clock/qcom,ipq9574-nsscc.h>
> +#include <dt-bindings/reset/qcom,ipq9574-nsscc.h>
>  
>  / {
>  	interrupt-parent = <&intc>;
> @@ -17,6 +19,30 @@
>  	#size-cells = <2>;
>  
>  	clocks {
> +		bias_pll_cc_clk: bias-pll-cc-clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <1200000000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		bias_pll_nss_noc_clk: bias-pll-nss-noc-clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <461500000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		bias_pll_ubi_nc_clk: bias-pll-ubi-nc-clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <353000000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		gcc_gpll0_out_aux: gcc-gpll0-out-aux {
> +			compatible = "fixed-clock";
> +			clock-frequency = <800000000>;
> +			#clock-cells = <0>;
> +		};

Isn't this GCC clock?

> +
>  		sleep_clk: sleep-clk {
>  			compatible = "fixed-clock";
>  			#clock-cells = <0>;
> @@ -620,6 +646,24 @@
>  				status = "disabled";
>  			};
>  		};
> +
> +		nsscc: nsscc@39b00000 {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


Best regards,
Krzysztof
Devi Priya Aug. 24, 2023, 5:25 a.m. UTC | #2
On 7/11/2023 3:27 PM, Krzysztof Kozlowski wrote:
> On 11/07/2023 11:35, Devi Priya wrote:
>> Add a node for the nss clock controller found on ipq9574 based devices.
>>
>> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 44 +++++++++++++++++++++++++++
>>   1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> index f120c7c52351..257ce4a5bfd5 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> @@ -10,6 +10,8 @@
>>   #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
>>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>>   #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
>> +#include <dt-bindings/clock/qcom,ipq9574-nsscc.h>
>> +#include <dt-bindings/reset/qcom,ipq9574-nsscc.h>
>>   
>>   / {
>>   	interrupt-parent = <&intc>;
>> @@ -17,6 +19,30 @@
>>   	#size-cells = <2>;
>>   
>>   	clocks {
>> +		bias_pll_cc_clk: bias-pll-cc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <1200000000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		bias_pll_nss_noc_clk: bias-pll-nss-noc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <461500000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		bias_pll_ubi_nc_clk: bias-pll-ubi-nc-clk {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <353000000>;
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		gcc_gpll0_out_aux: gcc-gpll0-out-aux {
>> +			compatible = "fixed-clock";
>> +			clock-frequency = <800000000>;
>> +			#clock-cells = <0>;
>> +		};
> 
> Isn't this GCC clock?
Yes, will register this in the gcc driver.

Thanks,
Devi Priya
> 
>> +
>>   		sleep_clk: sleep-clk {
>>   			compatible = "fixed-clock";
>>   			#clock-cells = <0>;
>> @@ -620,6 +646,24 @@
>>   				status = "disabled";
>>   			};
>>   		};
>> +
>> +		nsscc: nsscc@39b00000 {
> 
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> 
> 
> Best regards,
> Krzysztof
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index f120c7c52351..257ce4a5bfd5 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -10,6 +10,8 @@ 
 #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
+#include <dt-bindings/clock/qcom,ipq9574-nsscc.h>
+#include <dt-bindings/reset/qcom,ipq9574-nsscc.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -17,6 +19,30 @@ 
 	#size-cells = <2>;
 
 	clocks {
+		bias_pll_cc_clk: bias-pll-cc-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <1200000000>;
+			#clock-cells = <0>;
+		};
+
+		bias_pll_nss_noc_clk: bias-pll-nss-noc-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <461500000>;
+			#clock-cells = <0>;
+		};
+
+		bias_pll_ubi_nc_clk: bias-pll-ubi-nc-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <353000000>;
+			#clock-cells = <0>;
+		};
+
+		gcc_gpll0_out_aux: gcc-gpll0-out-aux {
+			compatible = "fixed-clock";
+			clock-frequency = <800000000>;
+			#clock-cells = <0>;
+		};
+
 		sleep_clk: sleep-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
@@ -620,6 +646,24 @@ 
 				status = "disabled";
 			};
 		};
+
+		nsscc: nsscc@39b00000 {
+			compatible = "qcom,ipq9574-nsscc";
+			reg = <0x39b00000 0x80000>;
+			clocks = <&bias_pll_cc_clk>,
+				 <&bias_pll_nss_noc_clk>,
+				 <&bias_pll_ubi_nc_clk>,
+				 <&gcc_gpll0_out_aux>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <&xo_board_clk>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
 	};
 
 	thermal-zones {