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[80.251.214.228]) by smtp.gmail.com with ESMTPSA id gz24sm7052956pjb.0.2021.07.04.00.41.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Jul 2021 00:41:14 -0700 (PDT) From: Shawn Guo To: Sebastian Reichel Cc: Rob Herring , Vinod Koul , Bjorn Andersson , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Guo Subject: [PATCH 2/3] dt-bindings: qcom,pon: Add 'qcom,mode-in-imem' support Date: Sun, 4 Jul 2021 15:40:44 +0800 Message-Id: <20210704074045.21643-3-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210704074045.21643-1-shawn.guo@linaro.org> References: <20210704074045.21643-1-shawn.guo@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org It's not always the case that reboot mode value gets stored in PON register. For example, Sony Xperia M4 Aqua phone (MSM8939) uses a different set of mode value and stores them in IMEM. Add property 'qcom,mode-in-imem' to distinguish this mechanism from the existing one. Signed-off-by: Shawn Guo --- .../bindings/power/reset/qcom,pon.yaml | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml index 7764c804af1d..a6270e39b7a2 100644 --- a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml +++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml @@ -23,6 +23,10 @@ properties: reg: maxItems: 1 + qcom,mode-in-imem: + description: Reboot mode is stored in IMEM rather than PON register + type: boolean + patternProperties: "^mode-.+": $ref: /schemas/types.yaml#/definitions/uint32 @@ -35,6 +39,7 @@ required: additionalProperties: false examples: + # Example 1: Reboot mode is stored in PON register - | pmic { #address-cells = <1>; @@ -47,3 +52,17 @@ examples: mode-recovery = <0x1>; }; }; + # Example 2: Reboot mode is stored in IMEM + - | + pmic { + #address-cells = <1>; + #size-cells = <0>; + + pon@800 { + compatible = "qcom,pm8916-pon"; + reg = <0x860065c>; + qcom,mode-in-imem; + mode-bootloader = <0x77665500>; + mode-recovery = <0x77665502>; + }; + };