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[83.9.29.190]) by smtp.gmail.com with ESMTPSA id n23-20020a2e86d7000000b002ac78893a9csm1672079ljj.72.2023.06.12.02.45.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jun 2023 02:45:43 -0700 (PDT) Message-ID: <7fe7078e-404d-28e5-0dd1-53b7f9cd7626@linaro.org> Date: Mon, 12 Jun 2023 11:45:42 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH 03/26] phy: qcom: add the SGMII SerDes PHY driver Content-Language: en-US To: Bartosz Golaszewski , Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kishon Vijay Abraham I , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu Cc: netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Bartosz Golaszewski References: <20230612092355.87937-1-brgl@bgdev.pl> <20230612092355.87937-4-brgl@bgdev.pl> From: Konrad Dybcio In-Reply-To: <20230612092355.87937-4-brgl@bgdev.pl> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 12.06.2023 11:23, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > Implement support for the SGMII/SerDes PHY present on various Qualcomm > platforms. > > Signed-off-by: Bartosz Golaszewski > --- > +static const struct regmap_config qcom_dwmac_sgmii_phy_regmap_cfg = { > + .reg_bits = 32, > + .val_bits = 32, > + .reg_stride = 4, > + .use_relaxed_mmio = true, > + .disable_locking = true, The last two are rather brave, no? Konrad > +}; > + > +static int qcom_dwmac_sgmii_phy_probe(struct platform_device *pdev) > +{ > + struct qcom_dwmac_sgmii_phy_data *data; > + struct device *dev = &pdev->dev; > + struct phy_provider *provider; > + struct clk *refclk; > + void __iomem *base; > + struct phy *phy; > + > + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); > + if (!data) > + return -ENOMEM; > + > + base = devm_platform_ioremap_resource(pdev, 0); > + if (IS_ERR(base)) > + return PTR_ERR(base); > + > + data->regmap = devm_regmap_init_mmio(dev, base, > + &qcom_dwmac_sgmii_phy_regmap_cfg); > + if (IS_ERR(data->regmap)) > + return PTR_ERR(data->regmap); > + > + phy = devm_phy_create(dev, NULL, &qcom_dwmac_sgmii_phy_ops); > + if (IS_ERR(phy)) > + return PTR_ERR(phy); > + > + refclk = devm_clk_get_enabled(dev, "sgmi_ref"); > + if (IS_ERR(refclk)) > + return PTR_ERR(refclk); > + > + provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); > + if (IS_ERR(provider)) > + return PTR_ERR(provider); > + > + phy_set_drvdata(phy, data); > + platform_set_drvdata(pdev, data); > + > + return 0; > +} > + > +static const struct of_device_id qcom_dwmac_sgmii_phy_of_match[] = { > + { .compatible = "qcom,sa8775p-dwmac-sgmii-phy" }, > + { }, > +}; > +MODULE_DEVICE_TABLE(of, qcom_dwmac_sgmii_phy_of_match); > + > +static struct platform_driver qcom_dwmac_sgmii_phy_driver = { > + .probe = qcom_dwmac_sgmii_phy_probe, > + .driver = { > + .name = "qcom-dwmac-sgmii-phy", > + .of_match_table = qcom_dwmac_sgmii_phy_of_match, > + } > +}; > + > +module_platform_driver(qcom_dwmac_sgmii_phy_driver); > + > +MODULE_DESCRIPTION("Qualcomm DWMAC SGMII PHY driver"); > +MODULE_LICENSE("GPL");