[PATCH 3/3] arm64: dts: qcom: Split out SA8155P and use correct RPMh power domains
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STALE1235d
From: Konrad Dybcio <hidden>
Date: 2023-02-14 09:55:19
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
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 <redacted> --- 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