lpass clocks are usually blocked from HLOS by the firmware and
instead are managed by the ADSP. Mark them as reserved and explicitly
enable in the CrOS boards that have special, cooperative firmware.

Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
v5: minor style changes (Konrad)
---
 arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 8 ++++++++
 arch/arm64/boot/dts/qcom/sc7180.dtsi         | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 423630c4d02c..7e57899ef2c6 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -785,6 +785,10 @@ alc5682: codec@1a {
 	};
 };
 
+&lpasscc {
+	status = "okay";
+};
+
 &lpass_cpu {
 	status = "okay";
 
@@ -810,6 +814,10 @@ dai-link@5 {
 	};
 };
 
+&lpass_hm {
+	status = "okay";
+};
+
 &mdp {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 3c799b564b64..6f40301faa1c 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -3621,6 +3621,8 @@ lpasscc: clock-controller@62d00000 {
 			power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
 			#clock-cells = <1>;
 			#power-domain-cells = <1>;
+
+			status = "reserved"; /* Controlled by ADSP */
 		};
 
 		lpass_cpu: lpass@62d87000 {
@@ -3669,6 +3671,8 @@ lpass_hm: clock-controller@63000000 {
 
 			#clock-cells = <1>;
 			#power-domain-cells = <1>;
+
+			status = "reserved"; /* Controlled by ADSP */
 		};
 	};
 
-- 
2.39.2

Hi,

On Fri, Apr 7, 2023 at 8:14 AM Nikita Travkin <nikita@trvn.ru> wrote:
>
> lpass clocks are usually blocked from HLOS by the firmware and
> instead are managed by the ADSP. Mark them as reserved and explicitly
> enable in the CrOS boards that have special, cooperative firmware.
>
> Signed-off-by: Nikita Travkin <nikita@trvn.ru>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
> v5: minor style changes (Konrad)
> ---
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 8 ++++++++
>  arch/arm64/boot/dts/qcom/sc7180.dtsi         | 4 ++++
>  2 files changed, 12 insertions(+)

I probably would have put a note in the commit message about why you
chose not to enable these for IDP (AKA summarize the results of the
conversation [1] in your v3 post). IMO not worth spinning a v6 just
for this, though.

Reviewed-by: Douglas Anderson <dianders@chromium.org>

[1] https://lore.kernel.org/r/3557aa94-6a83-d054-a9d9-81751165eb8a@linaro.org