Re: [PATCH] arm64: dts: qcom: qdu1000: Add reserved gpio list

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On 7/4/2023 4:38 PM, Konrad Dybcio wrote:
On 4.07.2023 12:22, Komal Bajaj wrote:
Add reserved gpio list for QDU1000 and QRU1000 SoCs
which will not be used by HLOS.

Signed-off-by: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx>
---
Generally such changes to board files are split into per-board
commits.

Sure, will split into per-board commits.


Can you explain why these GPIOs will be inaccessible? Some secure
I2C peripheral, I'd guess?

These GPIOs are needed by Modem subsystem.

Thanks
Komal


Konrad
  arch/arm64/boot/dts/qcom/qdu1000-idp.dts | 4 ++++
  arch/arm64/boot/dts/qcom/qru1000-idp.dts | 4 ++++
  2 files changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
index 1d22f87fd238..0496e87ddfd5 100644
--- a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
@@ -471,6 +471,10 @@ &sdhc {
  	status = "okay";
  };
+&tlmm {
+	gpio-reserved-ranges = <28 2>;
+};
+
  &uart7 {
  	status = "okay";
  };
diff --git a/arch/arm64/boot/dts/qcom/qru1000-idp.dts b/arch/arm64/boot/dts/qcom/qru1000-idp.dts
index 2cc893ae4d10..80dadd2f30a3 100644
--- a/arch/arm64/boot/dts/qcom/qru1000-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qru1000-idp.dts
@@ -448,6 +448,10 @@ &qupv3_id_0 {
  	status = "okay";
  };
+&tlmm {
+	gpio-reserved-ranges = <28 2>;
+};
+
  &uart7 {
  	status = "okay";
  };




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