[PATCH v2 2/2] arm64: dts: qcom: sdm845: cheza doesn't support LMh node

From: David Heidelberg
Date: Tue Sep 12 2023 - 03:14:02 EST


Cheza firmware doesn't allow controlling LMh from the operating system.

Fixes: 36c6581214c4 ("arm64: dts: qcom: sdm845: Add support for LMh node")
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
v2:
- moved power-domains removal from this patch to previous one, since
it's not related to LMh support
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index e0ee91225eec..e51bf02fbfe3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -143,6 +143,10 @@ panel_in_edp: endpoint {
};
};

+&cpufreq_hw {
+ /delete-property/ interrupts-extended; /* reference to lmh_cluster[01] */
+};
+
&psci {
/delete-node/ power-domain-cpu0;
/delete-node/ power-domain-cpu1;
@@ -275,6 +279,14 @@ &BIG_CPU_SLEEP_1
&CLUSTER_SLEEP_0>;
};

+&lmh_cluster0 {
+ status = "disabled";
+};
+
+&lmh_cluster1 {
+ status = "disabled";
+};
+
/*
* Reserved memory changes
*
--
2.40.1