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Subject[PATCH 3/3] arm64: dts: qcom: Split out SA8155P and use correct RPMh power domains
Date
The RPMhPD setup on SA8155P is different compared to SM8150. Correct
it to ensure the platform will not try accessing forbidden/missing
RPMh entries at boot, as a bad vote will hang the machine.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 2 +-
arch/arm64/boot/dts/qcom/sa8155p.dtsi | 51 ++++++++++++++++++++++++
2 files changed, 52 insertions(+), 1 deletion(-)
create mode 100644 arch/arm64/boot/dts/qcom/sa8155p.dtsi

diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts
index 459384ec8f23..9454e8e4e517 100644
--- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts
+++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts
@@ -7,7 +7,7 @@

#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/gpio/gpio.h>
-#include "sm8150.dtsi"
+#include "sa8155p.dtsi"
#include "pmm8155au_1.dtsi"
#include "pmm8155au_2.dtsi"

diff --git a/arch/arm64/boot/dts/qcom/sa8155p.dtsi b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
new file mode 100644
index 000000000000..f2fd7c28764e
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Linaro Limited
+ *
+ * SA8155P is an automotive variant of SM8150, with some minor changes.
+ * Most notably, the RPMhPD setup differs: MMCX and LCX/LMX rails are gone.
+ */
+
+#include "sm8150.dtsi"
+
+&dispcc {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_mdp {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_dsi0 {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&mdss_dsi1 {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&remoteproc_adsp {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&remoteproc_cdsp {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
+
+&remoteproc_mpss {
+ power-domains = <&rpmhpd SA8155P_CX>,
+ <&rpmhpd SA8155P_MSS>;
+};
+
+&remoteproc_slpi {
+ power-domains = <&rpmhpd SA8155P_CX>,
+ <&rpmhpd SA8155P_MX>;
+};
+
+&rpmhpd {
+ compatible = "qcom,sa8155p-rpmhpd";
+};
+
+&sdhc_2 {
+ power-domains = <&rpmhpd SA8155P_CX>;
+};
--
2.39.1
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