linux-kernel - [RFT PATCH v2 11/14] arm64: dts: qcom: sdm845: switch TCSR mutex to MMIO

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Message-Id: <20220817130342.568396-12-krzysztof.kozlowski@linaro.org>
Date:   Wed, 17 Aug 2022 16:03:39 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [RFT PATCH v2 11/14] arm64: dts: qcom: sdm845: switch TCSR mutex to MMIO

The TCSR mutex bindings allow device to be described only with address
space (so it uses MMIO, not syscon regmap).  This seems reasonable as
TCSR mutex is actually a dedicated IO address space and it also fixes DT
schema checks:

  qcom/sdm845-shift-axolotl.dtb: hwlock: 'reg' is a required property
  qcom/sdm845-shift-axolotl.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 21ed14200986..bd0ec0664283 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -919,12 +919,6 @@ compute-cb@8 {
 		};
 	};
 
-	tcsr_mutex: hwlock {
-		compatible = "qcom,tcsr-mutex";
-		syscon = <&tcsr_mutex_regs 0 0x1000>;
-		#hwlock-cells = <1>;
-	};
-
 	smp2p-cdsp {
 		compatible = "qcom,smp2p";
 		qcom,smem = <94>, <432>;
@@ -2588,9 +2582,10 @@ ipa: ipa@...0000 {
 			status = "disabled";
 		};
 
-		tcsr_mutex_regs: syscon@...0000 {
-			compatible = "syscon";
+		tcsr_mutex: hwlock@...0000 {
+			compatible = "qcom,tcsr-mutex";
 			reg = <0 0x01f40000 0 0x20000>;
+			#hwlock-cells = <1>;
 		};
 
 		tcsr_regs_1: sycon@...0000 {
-- 
2.34.1