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([2a01:e0a:3d9:2080:b3df:bee7:215:e1a4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4538233a8bbsm15636395e9.6.2025.06.25.03.08.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Jun 2025 03:08:38 -0700 (PDT) Message-ID: Date: Wed, 25 Jun 2025 12:08:37 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: neil.armstrong@linaro.org Reply-To: Neil Armstrong Subject: Re: [PATCH 4/4] phy: qcom: phy-qcom-snps-eusb2: Add extra register write for SM7635 To: Luca Weiss , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wesley Cheng , Vinod Koul , Kishon Vijay Abraham I , Abel Vesa Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org References: <20250625-sm7635-eusb-phy-v1-0-94d76e0667c1@fairphone.com> <20250625-sm7635-eusb-phy-v1-4-94d76e0667c1@fairphone.com> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20250625-sm7635-eusb-phy-v1-4-94d76e0667c1@fairphone.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 25/06/2025 11:14, Luca Weiss wrote: > As per the downstream devicetree for SM7635, add a register write for > QCOM_USB_PHY_CFG_CTRL_1 as per the "eUSB2 HPG version 1.0.2 update". > > Signed-off-by: Luca Weiss > --- > The downstream driver supports an arbitrary extra init sequence via > qcom,param-override-seq. > > volcano-usb.dtsi has the following which is implemented in this patch: > > /* eUSB2 HPG version 1.0.2 update */ > qcom,param-override-seq = > <0x00 0x58>; > --- > drivers/phy/phy-snps-eusb2.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c > index e232b8b4d29100b8fee9e913e2124788af09f2aa..6122fc797c7fd3011936edc3ff4dafe6a58e6583 100644 > --- a/drivers/phy/phy-snps-eusb2.c > +++ b/drivers/phy/phy-snps-eusb2.c > @@ -420,6 +420,12 @@ static int qcom_snps_eusb2_hsphy_init(struct phy *p) > /* set default parameters */ > qcom_eusb2_default_parameters(phy); > > + if (of_device_is_compatible(p->dev.of_node, "qcom,sm7635-snps-eusb2-phy")) { > + /* eUSB2 HPG version 1.0.2 update */ > + writel_relaxed(0x0, phy->base + QCOM_USB_PHY_CFG_CTRL_1); > + readl_relaxed(phy->base + QCOM_USB_PHY_CFG_CTRL_1); > + } > + > snps_eusb2_hsphy_write_mask(phy->base, QCOM_USB_PHY_HS_PHY_CTRL2, > USB2_SUSPEND_N_SEL | USB2_SUSPEND_N, > USB2_SUSPEND_N_SEL | USB2_SUSPEND_N); > Reviewed-by: Neil Armstrong