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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3286fa37fa5sm40641466eec.29.2026.09.01.02.51.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2026 02:51:20 -0700 (PDT) From: Shawn Guo To: Vinod Koul Cc: Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Abel Vesa , Konrad Dybcio , Bartosz Golaszewski , Krishna Kurapati , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Shawn Guo Subject: [PATCH 1/4] dt-bindings: phy: qcom,snps-eusb2-phy: Make resets optional Date: Tue, 1 Sep 2026 17:50:52 +0800 Message-ID: <20260901095055.42229-2-shengchao.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260901095055.42229-1-shengchao.guo@oss.qualcomm.com> References: <20260901095055.42229-1-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: k6jQYZuoicIxv8FTCKLXuEDANyuNvO8h X-Authority-Analysis: v=2.4 cv=G9Ms1dk5 c=1 sm=1 tr=0 ts=6a96a01a cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=J30188syTye5AiLRMCUA:9 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-GUID: k6jQYZuoicIxv8FTCKLXuEDANyuNvO8h X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDA4NyBTYWx0ZWRfX7rWtH9Db5Z8d p7/RdCtzMhDexKFxqjasSCX8zejsqkeRZQK2xoz/VzfB4dC0zSTVhLbJudsBAcrC+1gfcwqEsJx cO47fvHo8xMUs7DZWFiXnsDjCRqZ5rI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDA4NyBTYWx0ZWRfX6chk/xJI8AFJ 3WxCngvUTe7eyKiEOOQHag0rORrq/FJWuvf17X7snTaMWcCZNUoNHaUSH8cZDnyg3BcTh6svyW9 5mVagClg5xD09L1CI8809WmeNTCdeHdeVAeeHo+v/wf2I6rOiTs8qWzJ89VgWJl6vhR7UUx63bC D18ny4syDj7GsDyp071orfPCld3lEF4fBIhGNgJKY2Afv7OAj2sChfW6tsBnFVFf5JtPlNdTeAN Qpmk00faykq+spuV0lv+Wr9BqL97v4EmzzsWebuiDisLq+QPN0g9DqPuIl4lROMmA/Vcn8c6cMh 8VaWD+229lBLdvCEm33O8UbaaStNb4KMMZL8kzHC6QxC50DQ/dGUEE1wCN0CfGXEyq0/gGteByL oZhn0I+DKij/i5vLV875Woc/aaiaQZQ7euY9ORrbQ3Xc4pI0uXtYZlKUPXfRS6BvPDB/m8zAHkI KKeiJj9qnlaM++8dcbg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-01_02,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 spamscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010087 From: Bartosz Golaszewski Not every instance of this PHY has a block reset of its own. On Nord SoC there are three eUSB2 PHYs but only two QUSB2PHY block resets: the HS-only USB20 tile has no dedicated PHY reset and is instead reset as a whole through the controller's own USB20_PRIM_BCR. Requiring 'resets' makes that instance impossible to describe, since the controller and the PHY cannot both claim the single block reset exclusively. The driver has always treated the reset as optional - it uses devm_reset_control_get_optional_exclusive() - and the sibling samsung,exynos2200-eusb2-phy binding, which is served by the same driver, does not require it either. Drop it from the required list. Signed-off-by: Bartosz Golaszewski Signed-off-by: Shawn Guo --- Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml | 1 - 1 file changed, 1 deletion(-) diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml index 096f6b546632..2140482c8e3b 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml @@ -64,7 +64,6 @@ required: - clock-names - vdd-supply - vdda12-supply - - resets additionalProperties: false -- 2.43.0