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[83.9.2.167]) by smtp.gmail.com with ESMTPSA id 27-20020ac2483b000000b004f858249932sm1927732lft.90.2023.07.15.07.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Jul 2023 07:37:21 -0700 (PDT) From: Konrad Dybcio Date: Sat, 15 Jul 2023 16:37:11 +0200 Subject: [PATCH v3 1/2] dt-bindings: interrupt-controller: mpm: Pass MSG RAM slice through phandle MIME-Version: 1.0 Message-Id: <20230328-topic-msgram_mpm-v3-1-2c72f27b4706@linaro.org> References: <20230328-topic-msgram_mpm-v3-0-2c72f27b4706@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v3-0-2c72f27b4706@linaro.org> To: Andy Gross , Bjorn Andersson , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Shawn Guo , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1689431838; l=2979; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=hEZfhI1EGIlmfejCXVFxQDw5yfJpSTVeevTgH6zVb+o=; b=smtqGVT2hbELn8tjrn1hDztpZdaIz3pc7WiPLxXkZgqgZ5E9//CxZiIvoOAt5Ik9sz7PUku8w Gb2YXdtkfkgDzht6OAufS03cz0dcX1HdSTjdrqCnoGUfV2iu4l3+y5b X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771498687913892400 X-GMAIL-MSGID: 1771498687913892400 Due to the wild nature of the Qualcomm RPM Message RAM, we can't really use 'reg' to point to the MPM's slice of Message RAM without cutting into an already-defined RPM MSG RAM node used for GLINK and SMEM. Document passing the register space as a slice of SRAM through the qcom,rpm-msg-ram property. This also makes 'reg' deprecated. Signed-off-by: Konrad Dybcio --- .../bindings/interrupt-controller/qcom,mpm.yaml | 44 +++++++++++++--------- 1 file changed, 27 insertions(+), 17 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml index 509d20c091af..b8bd408748e4 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml @@ -29,6 +29,12 @@ properties: maxItems: 1 description: Specifies the base address and size of vMPM registers in RPM MSG RAM. + deprecated: true + + qcom,rpm-msg-ram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the APSS MPM slice of the RPM Message RAM interrupts: maxItems: 1 @@ -64,33 +70,37 @@ properties: required: - compatible - - reg - interrupts - mboxes - interrupt-controller - '#interrupt-cells' - qcom,mpm-pin-count - qcom,mpm-pin-map + - qcom,rpm-msg-ram additionalProperties: false examples: - | #include - mpm: interrupt-controller@45f01b8 { - compatible = "qcom,mpm"; - interrupts = ; - reg = <0x45f01b8 0x1000>; - mboxes = <&apcs_glb 1>; - interrupt-controller; - #interrupt-cells = <2>; - interrupt-parent = <&intc>; - qcom,mpm-pin-count = <96>; - qcom,mpm-pin-map = <2 275>, - <5 296>, - <12 422>, - <24 79>, - <86 183>, - <90 260>, - <91 260>; + + remoteproc-rpm { + compatible = "qcom,msm8998-rpm-proc", "qcom,rpm-proc"; + + mpm: interrupt-controller { + compatible = "qcom,mpm"; + qcom,rpm-msg-ram = <&apss_mpm>; + interrupts = ; + mboxes = <&apcs_glb 1>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&intc>; + qcom,mpm-pin-count = <96>; + qcom,mpm-pin-map = <2 275>, + <5 296>, + <12 422>, + <24 79>, + <86 183>, + <91 260>; + }; };