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[83.9.3.225]) by smtp.gmail.com with ESMTPSA id f10-20020ac24e4a000000b004db3e330dcesm5008471lfr.178.2023.03.28.03.03.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Mar 2023 03:03:01 -0700 (PDT) From: Konrad Dybcio Date: Tue, 28 Mar 2023 12:02:52 +0200 Subject: [PATCH 1/2] dt-bindings: interrupt-controller: mpm: Allow passing reg through phandle MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230328-topic-msgram_mpm-v1-1-1b788a5f5a33@linaro.org> References: <20230328-topic-msgram_mpm-v1-0-1b788a5f5a33@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v1-0-1b788a5f5a33@linaro.org> To: Andy Gross , Bjorn Andersson , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Shawn Guo 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=1679997779; l=1381; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=C4N0Ev8VKX3zoI5LrzMOtOGVDcPvF0sVmEyLrmGffDM=; b=5VTz0TXYou6dESAd20JbdSqHQfvEqtSex/DVC7nsLbDDDFk1MRXmIhegfP3UUOj0Hwa28Li2VIg9 7jVFDEIBCvVhPHyP1gldQPvO0g3ZxbeD9i8Zi4xH2OVWQZcnicj1 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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' no longer required. Signed-off-by: Konrad Dybcio --- .../devicetree/bindings/interrupt-controller/qcom,mpm.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml index 509d20c091af..77fe5e0b378f 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml @@ -30,6 +30,11 @@ properties: description: Specifies the base address and size of vMPM registers in RPM MSG RAM. + 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 description: @@ -64,7 +69,6 @@ properties: required: - compatible - - reg - interrupts - mboxes - interrupt-controller -- 2.40.0