From patchwork Wed May 21 13:38:10 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 891578 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 E869815098F; Wed, 21 May 2025 13:39:02 +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=1747834743; cv=none; b=ObzePntZ8XNd9xWd1oC78BdeITutIv9SzN+olGFoOd5vQMhQqx0Tgz6XFZhnn/XNveD4qSlO6+6m1WbsqsPYK0+ynssJ4csXy9/1q4y2adNe3P/6mHKRk9lXK6FgxlDbdNykS+9aY9g0E8xncQnP5qC18XCTp2Rc7xqyZwj6BoY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747834743; c=relaxed/simple; bh=hmw3/TYYvnguBR8TqyLON4vogTv3Z6PA39/cDuVfL8E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=plxY1+3h3WTxkPY47IjsUZzcM+0cwn2mS2PmEsYi0KBPl8R7UpcZgOFz7Z5XtlMwpgSXqCG5r0R8CmmpnlEteJbBVI13OxG8l9pMBPAZksNseLZsZyEBCDr2S+M8LSTdK7JouZKDtGDi/fwFUyMfEQajYj3q4YDmeLKTuf6OtNk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UY2MtFRu; 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="UY2MtFRu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A0EDC4CEE7; Wed, 21 May 2025 13:38:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747834742; bh=hmw3/TYYvnguBR8TqyLON4vogTv3Z6PA39/cDuVfL8E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=UY2MtFRuf29jjPSvmAzXOqwqgIzULtyOEfclYllVGbcz3fZXRqRBIqgN7iuhjknzw qjwmSveiM1XykMblK+F4gO3RNnXAf5555WyKYHXYH8uxg6+3cz52788g8LeSlPI+0j 1QaN5yxdOPWwaj6FReeIaApJ3mlQitUSNAcqpPAW8tQQQs0afXANgDjaxIcIeVOYKX 9FTFCD00gGT2ZBXO0XEz0apytoSkeEYUaZqUhUAZ/oFZU6dQqHoCtXu7yv6kyDsixc Eyi5Hr68nzSbXwLF3f9Uzgrvb1Sf1VjqD5oeG5iIof61jYd8XE2lTGsYDK1O0YjVs0 64mk4E899jc6A== From: Konrad Dybcio Date: Wed, 21 May 2025 15:38:10 +0200 Subject: [PATCH 1/4] dt-bindings: PCI: qcom,pcie-sc8180x: Drop unrelated clocks from PCIe hosts Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250521-topic-8150_pcie_drop_clocks-v1-1-3d42e84f6453@oss.qualcomm.com> References: <20250521-topic-8150_pcie_drop_clocks-v1-0-3d42e84f6453@oss.qualcomm.com> In-Reply-To: <20250521-topic-8150_pcie_drop_clocks-v1-0-3d42e84f6453@oss.qualcomm.com> To: Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: Qiang Yu , Ziyue Zhang , Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-pci@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=1747834731; l=2010; i=konrad.dybcio@oss.qualcomm.com; s=20230215; h=from:subject:message-id; bh=HJbsRaZED0wy0A3F8QPlsAh5wTABzi2Z6ovJBrDz3qg=; b=6G8DmoAaPdMGYwy9JopFryWqvO8O2YBHxxPULwgFPvcZXhmatN/zSSHMIzu6ikGNhFa9pz/YD ITdfoN1G752C5yf1xiY1ZYKXdLpCQg8qt63OCbkSmTp+4H5wvoJBmev X-Developer-Key: i=konrad.dybcio@oss.qualcomm.com; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= From: Konrad Dybcio The TBU clock belongs to the Translation Buffer Unit, part of the SMMU. The ref clock is already being driven upstream through some of the branches. Signed-off-by: Konrad Dybcio --- .../devicetree/bindings/pci/qcom,pcie-sc8180x.yaml | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sc8180x.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sc8180x.yaml index 331fc25d7a17d657d4db3863f0c538d0e44dc840..34a4d7b2c8459aeb615736f54c1971014adb205f 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie-sc8180x.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sc8180x.yaml @@ -33,8 +33,8 @@ properties: - const: mhi # MHI registers clocks: - minItems: 8 - maxItems: 8 + minItems: 6 + maxItems: 6 clock-names: items: @@ -44,8 +44,6 @@ properties: - const: bus_master # Master AXI clock - const: bus_slave # Slave AXI clock - const: slave_q2a # Slave Q2A clock - - const: ref # REFERENCE clock - - const: tbu # PCIe TBU clock interrupts: minItems: 8 @@ -117,17 +115,13 @@ examples: <&gcc GCC_PCIE_0_CFG_AHB_CLK>, <&gcc GCC_PCIE_0_MSTR_AXI_CLK>, <&gcc GCC_PCIE_0_SLV_AXI_CLK>, - <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>, - <&gcc GCC_PCIE_0_CLKREF_CLK>, - <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>; + <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>; clock-names = "pipe", "aux", "cfg", "bus_master", "bus_slave", - "slave_q2a", - "ref", - "tbu"; + "slave_q2a"; dma-coherent;