Commit 8c67e554 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: Split out SA8155P and use correct RPMh power domains 



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: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230411-topic-hanaau-v2-3-fd3d70844b31@linaro.org
parent 57a9d4bd

arch/arm64/boot/dts/qcom/sa8155p-adp.dts

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#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"

arch/arm64/boot/dts/qcom/sa8155p.dtsi

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// 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,

 * though the cmd-db doesn't reflect that and access attemps result in a bite.

 */



#include "sm8150.dtsi"



&dispcc {

	power-domains = <&rpmhpd SA8155P_CX>;

};



&mdss_dsi0 {

	power-domains = <&rpmhpd SA8155P_CX>;

};



&mdss_dsi1 {

	power-domains = <&rpmhpd SA8155P_CX>;

};



&mdss_mdp {

	power-domains = <&rpmhpd SA8155P_CX>;

};



&remoteproc_slpi {

	power-domains = <&rpmhpd SA8155P_CX>,

			<&rpmhpd SA8155P_MX>;

};



&rpmhpd {

	/*

	 * The bindings were crafted such that SA8155P PDs match their

	 * SM8150 counterparts to make it more maintainable and only

	 * necessitate adjusting entries that actually differ

	 */

	compatible = "qcom,sa8155p-rpmhpd";

};