diff mbox series

[V5,6/7] arm64: dts: qcom: ipq9574: Add support for nsscc node

Message ID 20240626143302.810632-7-quic_devipriy@quicinc.com (mailing list archive)
State New
Headers show
Series Add NSS clock controller support for IPQ9574 | expand

Commit Message

Devi Priya June 26, 2024, 2:33 p.m. UTC
Add a node for the nss clock controller found on ipq9574 based devices.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
 Changes in V5:
	- Dropped interconnects from nsscc node and added 
	  interconnect-cells to NSS clock provider so that it can be used
	  as icc provider.

 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 41 +++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

Comments

Dmitry Baryshkov June 26, 2024, 6:13 p.m. UTC | #1
On Wed, Jun 26, 2024 at 08:03:01PM GMT, 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>
> ---
>  Changes in V5:
> 	- Dropped interconnects from nsscc node and added 
> 	  interconnect-cells to NSS clock provider so that it can be used
> 	  as icc provider.
> 
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 41 +++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 48dfafea46a7..b6f8800bf63c 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -11,6 +11,8 @@
>  #include <dt-bindings/interconnect/qcom,ipq9574.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>
>  #include <dt-bindings/thermal/thermal.h>
>  
>  / {
> @@ -19,6 +21,24 @@ / {
>  	#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>;
> +		};

What is the source for these clocks? Is it really an on-board crystal?

> +
>  		sleep_clk: sleep-clk {
>  			compatible = "fixed-clock";
>  			#clock-cells = <0>;
d
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 48dfafea46a7..b6f8800bf63c 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -11,6 +11,8 @@ 
 #include <dt-bindings/interconnect/qcom,ipq9574.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>
 #include <dt-bindings/thermal/thermal.h>
 
 / {
@@ -19,6 +21,24 @@  / {
 	#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>;
+		};
+
 		sleep_clk: sleep-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
@@ -756,6 +776,27 @@  frame@b128000 {
 				status = "disabled";
 			};
 		};
+
+		nsscc: clock-controller@39b00000 {
+			compatible = "qcom,ipq9574-nsscc";
+			reg = <0x39b00000 0x80000>;
+			clocks = <&xo_board_clk>,
+				 <&bias_pll_cc_clk>,
+				 <&bias_pll_nss_noc_clk>,
+				 <&bias_pll_ubi_nc_clk>,
+				 <&gcc GPLL0_OUT_AUX>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <0>,
+				 <&gcc GCC_NSSCC_CLK>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			#power-domain-cells = <1>;
+			#interconnect-cells = <1>;
+		};
 	};
 
 	thermal-zones {