From patchwork Tue Mar 18 18:35:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 14021413 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 529A4211A0D; Tue, 18 Mar 2025 18:35:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742322935; cv=none; b=IzT5k6Xd56XNhTGzA6Ls3oeG5/KOygpOs8ylMlk9jEumYYtwtA/53JR0YoJWNF1TvPL1/T7sw3sEIyoZMuem05On4a5wzPxxG+qbHJL5ztLGpx4KAtFXLnQzG2Aq/xYP41UoXhvvUln1LjQ8hy9MdwkteZUocWagqobbVkDFIg0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742322935; c=relaxed/simple; bh=vx5/s35EbbUVo021QHu0zEtqsOnkalvl/Ooc/L2cf1c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PqkIahMa1CRPZwq67oJtC0Bn2bXtux7FlPZJyDozY0LIbuGISnnv06+lmBU5oBe3DL1sfE+8bYANX4KCuNkw8MZt+ay01yWvMHdoG7koRE8QjpTdC3+yoT9nWuRmqvv+s0M0Q9qefMsrhyALL5tOGLfqJZP66ILb4U4f+ys2d14= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k3TDwL4Z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k3TDwL4Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E373C4CEE9; Tue, 18 Mar 2025 18:35:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742322934; bh=vx5/s35EbbUVo021QHu0zEtqsOnkalvl/Ooc/L2cf1c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=k3TDwL4ZIkTxcmckI9cP1Sv7ITfsiVLSVUblX+1k1so6gSv77D1xUh2qzIa83IW5D 4RYQzXYgE+FN+ox63P66kJxGxDoFhk5Nd5Fz0IufLi4F18ekQ8G9+osIkypt5EB3I/ k5V+z4P3XuPVFIfF6f9bms2Ix3xPEcMrPL9h/5HjqGzB43ZNRDbVP+XpL3JIDD+khA ZUSmtdVWNfdPVFl5yagIaQv45pjVL8rVH5XO3qE2Nf4Yuz35jLv06NYBvOb/1D601d 9LjFdhdsx0p8UtP08tlEbjc7IGy/ffMH0U5fFp+76u3bwgiFXGhRJJjskzoat4FZtV Vk+Dtecy/yFpw== From: Konrad Dybcio Date: Tue, 18 Mar 2025 19:35:14 +0100 Subject: [PATCH 1/8] dt-bindings: soc: qcom,rpmh-rsc: Limit power-domains requirement Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250318-topic-more_dt_bindings_fixes-v1-1-cb36882ea9cc@oss.qualcomm.com> References: <20250318-topic-more_dt_bindings_fixes-v1-0-cb36882ea9cc@oss.qualcomm.com> In-Reply-To: <20250318-topic-more_dt_bindings_fixes-v1-0-cb36882ea9cc@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , cros-qcom-dts-watchers@chromium.org, Marc Gonzalez , Dmitry Baryshkov , Arnaud Vrac Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1742322925; l=1853; i=konrad.dybcio@oss.qualcomm.com; s=20230215; h=from:subject:message-id; bh=4mluHYqGriOqGK+Ra9FQnEddl9mTKD4esnUO6KTyZ9g=; b=KIiVhY+09nWTHExMpIvFiaxfM3diaKZrwItbiciRIY0aiaWYAjwoAC7a1wdAT+/diwzmTqeiu hROhVgnIDfEBzsZSaUKLcaGYbGwLW6/JE7bz9Z2VC2yCP0Kkx7WVJIt X-Developer-Key: i=konrad.dybcio@oss.qualcomm.com; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= From: Konrad Dybcio Certain platforms (such as Chrome SDM845 and SC7180 with a TF-A running as secure firmware) do not have a OSI-mode capable PSCI implementation. That in turn means the PSCI-associated power domain which represents the system's power state can't provide enough feedback to the RSC device. Don't require power-domains on platforms where this may be the case. Signed-off-by: Konrad Dybcio --- .../bindings/soc/qcom/qcom,rpmh-rsc.yaml | 24 ++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml index af632d0e0355c56748ecac24f528dc2eec7d1193..f8b7428df6bc3caef2917b300ce47a91bb3f0fd0 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml @@ -44,7 +44,13 @@ description: | properties: compatible: - const: qcom,rpmh-rsc + oneOf: + - items: + - enum: + - qcom,sc7180-rpmh-apps-rsc + - qcom,sdm845-rpmh-apps-rsc + - const: qcom,rpmh-rsc + - const: qcom,rpmh-rsc interrupts: minItems: 1 @@ -124,7 +130,21 @@ required: - qcom,tcs-offset - reg - reg-names - - power-domains + +allOf: + # Some platforms may lack a OSI-mode PSCI implementation, which implies the + # system power domain can't provide feedback about entering power collapse + - if: + not: + properties: + compatible: + contains: + enum: + - qcom,sc7180-rpmh-apps-rsc + - qcom,sdm845-rpmh-apps-rsc + then: + required: + - power-domains additionalProperties: false