Re: [PATCH v2 07/10] arm64: dts: qcom: Add support for GCC and RPMHCC for SDX75

From: Rohit Agarwal
Date: Tue Jun 06 2023 - 02:46:37 EST



On 6/6/2023 12:00 AM, Dmitry Baryshkov wrote:
On Mon, 5 Jun 2023 at 19:30, Rohit Agarwal <quic_rohiagar@xxxxxxxxxxx> wrote:
From: Imran Shaik <quic_imrashai@xxxxxxxxxxx>

Add support for GCC and RPMHCC clock nodes for SDX75 platform.

Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
Signed-off-by: Rohit Agarwal <quic_rohiagar@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdx75.dtsi | 37 ++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index 3d1646b..f83eef8 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -7,6 +7,7 @@
*/

#include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/clock/qcom,sdx75-gcc.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>

@@ -22,7 +23,21 @@
reg = <0 0x80000000 0 0>;
};

- clocks { };
+ clocks {
+ xo_board: xo_board {
No underscores in node names

+ compatible = "fixed-clock";
+ clock-frequency = <76800000>;
+ clock-output-names = "xo_board";
Why do you need this?

+ #clock-cells = <0>;
+ };
+
+ sleep_clk: sleep_clk {
No underscores in node names

+ compatible = "fixed-clock";
+ clock-frequency = <32000>;
+ clock-output-names = "sleep_clk";
Why do you need this?

+ #clock-cells = <0>;
+ };
+ };

cpus {
#address-cells = <2>;
@@ -358,6 +373,18 @@
ranges = <0 0 0 0 0x10 0>;
dma-ranges = <0 0 0 0 0x10 0>;

+ gcc: clock-controller@80000 {
+ compatible = "qcom,sdx75-gcc";
+ reg = <0x0 0x0080000 0x0 0x1f7400>;
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&sleep_clk>;
+ clock-names = "bi_tcxo",
+ "sleep_clk";
As this is a new platform, it should not be using clock-names to bind
gcc clocks. Please use clock indices instead.
Will update all as suggested,

Thanks,
Rohit.
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+
tcsr_mutex: hwlock@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x0 0x01f40000 0x0 0x40000>;
@@ -520,6 +547,14 @@
apps_bcm_voter: bcm_voter {
compatible = "qcom,bcm-voter";
};
+
+ rpmhcc: clock-controller {
+ compatible = "qcom,sdx75-rpmh-clk";
+ clocks = <&xo_board>;
+ clock-names = "xo";
+ #clock-cells = <1>;
+ };
+
};
};

--
2.7.4