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[83.9.29.181]) by smtp.gmail.com with ESMTPSA id w5-20020ac25d45000000b004fbc95a4db3sm418257lfd.28.2023.07.18.05.19.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Jul 2023 05:19:14 -0700 (PDT) From: Konrad Dybcio Date: Tue, 18 Jul 2023 14:19:10 +0200 Subject: [PATCH v4 1/2] dt-bindings: interrupt-controller: mpm: Pass MSG RAM slice through phandle MIME-Version: 1.0 Message-Id: <20230328-topic-msgram_mpm-v4-1-bae382dc0f92@linaro.org> References: <20230328-topic-msgram_mpm-v4-0-bae382dc0f92@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v4-0-bae382dc0f92@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=1689682752; l=3218; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=u7PKeGTsnebqt/okOLLY3lwduIHrT4WR6NdeB30CILY=; b=D/5g2C3sqCGpybb/GodJlreV5rDzRD9x/w6Al8mFWyfRb19zFCPxVj5YC+m4wBj6PH/LQR7Tg 9ay+dDf8/eQAnOE/EG5tuOTQMKMIAsQTR1BgkUyS5s00i2lcdudg3RA 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_NONE, 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: 1771761851603194561 X-GMAIL-MSGID: 1771761851603194561 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 Reviewed-by: Krzysztof Kozlowski --- .../bindings/interrupt-controller/qcom,mpm.yaml | 52 +++++++++++++++------- 1 file changed, 35 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..4ce7912d8047 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 +70,45 @@ 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"; + + glink-edge { + compatible = "qcom,glink-rpm"; + + interrupts = ; + qcom,rpm-msg-ram = <&rpm_msg_ram>; + mboxes = <&apcs_glb 0>; + }; + + 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>; + }; };