linux-kernel - [RFT PATCH v3 09/16] arm64: dts: qcom: sc7280: split TCSR halt regs out of mutex

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Date:   Fri, 19 Aug 2022 11:32:02 +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 v3 09/16] arm64: dts: qcom: sc7280: split TCSR halt regs out of mutex

The TCSR halt regs are next to TCSR mutex (in one address block called
TCSR_MUTEX), so before converting the TCSR mutex into device with
address space, we need to split the halt regs to its own syscon device.
This also describes more accurately the devices and their IO address
space, and allows to remove incorrect syscon compatible from TCSR mutex:

  qcom/sc7280-herobrine-crd.dtb: hwlock@...0000: compatible: ['qcom,tcsr-mutex', 'syscon'] is too long

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 13d7f267b289..89a8e6b9822a 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2155,12 +2155,17 @@ ipa: ipa@...0000 {
 		};
 
 		tcsr_mutex: hwlock@...0000 {
-			compatible = "qcom,tcsr-mutex", "syscon";
-			reg = <0 0x01f40000 0 0x40000>;
+			compatible = "qcom,tcsr-mutex";
+			reg = <0 0x01f40000 0 0x20000>;
 			#hwlock-cells = <1>;
 		};
 
-		tcsr: syscon@...0000 {
+		tcsr_1: sycon@...0000 {
+			compatible = "qcom,sc7280-tcsr", "syscon";
+			reg = <0 0x01f60000 0 0x20000>;
+		};
+
+		tcsr_2: syscon@...0000 {
 			compatible = "qcom,sc7280-tcsr", "syscon";
 			reg = <0 0x01fc0000 0 0x30000>;
 		};
@@ -2522,9 +2527,9 @@ remoteproc_mpss: remoteproc@...0000 {
 				 <&pdc_reset PDC_MODEM_SYNC_RESET>;
 			reset-names = "mss_restart", "pdc_reset";
 
-			qcom,halt-regs = <&tcsr_mutex 0x23000 0x25000 0x28000 0x33000>;
-			qcom,ext-regs = <&tcsr 0x10000 0x10004 &tcsr_mutex 0x26004 0x26008>;
-			qcom,qaccept-regs = <&tcsr_mutex 0x23030 0x23040 0x23020>;
+			qcom,halt-regs = <&tcsr_1 0x3000 0x5000 0x8000 0x13000>;
+			qcom,ext-regs = <&tcsr_2 0x10000 0x10004 &tcsr_1 0x6004 0x6008>;
+			qcom,qaccept-regs = <&tcsr_1 0x3030 0x3040 0x3020>;
 
 			status = "disabled";
 
@@ -3259,7 +3264,7 @@ remoteproc_wpss: remoteproc@...0000 {
 				 <&pdc_reset PDC_WPSS_SYNC_RESET>;
 			reset-names = "restart", "pdc_sync";
 
-			qcom,halt-regs = <&tcsr_mutex 0x37000>;
+			qcom,halt-regs = <&tcsr_1 0x17000>;
 
 			status = "disabled";
 
-- 
2.34.1