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Wed, 11 Dec 2019 14:46:48 +0000 (GMT) X-AuditID: cbfec7f5-a0fff7000001ed1a-a1-5df10158cbdd Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id CD.9A.07950.85101FD5; Wed, 11 Dec 2019 14:46:48 +0000 (GMT) Received: from AMDC2765.digital.local (unknown [106.120.51.73]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20191211144647eusmtip15998910aa904bd33dab89c66ced87407~fWGo9_zTD0944809448eusmtip1n; Wed, 11 Dec 2019 14:46:47 +0000 (GMT) From: Marek Szyprowski To: linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 1/4] ARM: dts: exynos: Correct USB3503 GPIOs polarity Date: Wed, 11 Dec 2019 15:46:35 +0100 Message-Id: <20191211144638.24676-2-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211144638.24676-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSaUiTYRzv2XtuNX2dgg8aGeuwAi/mh4e8CoJeiMIP9aFg6NI3tXTKpqYS ZM40LUvFcpmWU1Px2ppH3lfmCGUeSytQIQ1EwSNMyyzN+WZ9+53/Hzw8NCbpJpzoCGUsp1Iq IqWkCG/qXze7XQZf5Z5jhQCZZzZw9EqrJ9BA1yKO0juLcKQp1ZNoaMhAIePMOIEsrYUksmhG ANIOdQpQSfldDNX2TVIoJVWG0jLKCVRfl06h9d4hwSmGLf0+hbGG6WqCbSmYpFhjVQbJToy3 k2xXUQ3F1pfdZlPfdeHsw4YqwK4YDwSKroh8Q7nIiHhO5eEfLApPKZsAMXV2CXey3wuSwbBN JhDSkPGGxvyXZCYQ0RKmEkDzWz1hNSTMNwDvb53kjRUAJ9pyBLuNmeHGv40KAEf6dRRPthtL T+Z36iTjBTMXMndSDkwNgBtZWtxKMMaMwSLNCG5N2TMs7DSU7DRw5gi0VM5iVixm/OBw5SDJ 77nAakP3tk7TQsYf5vUkWu9AZpSCbe1G3KpD5gzMn7vAx+3hvKmB4vF+uNXyQsDnNQB+NtdS PHkAoCVFC/iUD3xjGiGshzDmONS3evDyaThteSbg79vAjwt2VhnbhrlN+Rgvi+G9NAmfPgoL THX/ZnuGRzEes3CpK5ngHygHwK2ObjIbuBT8HysGoAo4cnHqqDBOLVNyN93Viih1nDLMPSQ6 ygi2/9XApmm1GXT+utoLGBpI94mLXy/JJYQiXp0Y1QsgjUkdxKa0RblEHKpITOJU0UGquEhO 3QucaVzqKJaVzMklTJgilrvBcTGcatcV0EKnZEA1A5vl2MPnbJ10a7N5jw4dQ03XK2UJISsL 16rPPncpFvqdb7j1wTXYfW1Pm6cmqWT1x5YbHtGx7t1aU+0xKaN8Ls0X5n+Zt91rdg1w+zSV 8FjYEuv0e8kcFLg8cTHXx/lpgc7XXe6/8TOrok+nlLCawUbZizGfqYOFweMBm1p/Ka4OV3id wFRqxR9W36iMUwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrIIsWRmVeSWpSXmKPExsVy+t/xu7oRjB9jDe6uUrY49/g3i8XGGetZ LU7vf8di0b5vLotF8+L1bBbnz29gt9j0+BqrxeVdc9gsLjdfZLSYcX4fk8WiZa3MFmuP3GW3 aGoxtmjrXMZqsXldO7vFz0PnmRwEPBZ/v8fsseHRalaPnbPusntsWtXJ5nHn2h42j/1z17B7 bF5S79Fycj+LR9+WVYwenzfJBXBF6dkU5ZeWpCpk5BeX2CpFG1oY6RlaWugZmVjqGRqbx1oZ mSrp29mkpOZklqUW6dsl6GU0LbnDWLBOsKJxwhWmBsYLfF2MnBwSAiYSjy9sZeti5OIQEljK KPGv5xQbREJG4uS0BlYIW1jiz7UuqKJPjBInvlxlAkmwCRhKdL2FSIgIbGCUOPP+CQtIglng GrPEss3SILawgIfEvg2LwCaxCKhKXF7xnBnE5hWwlbiw4gzUNnmJ1RsOAMU5ODgF7CSmHKwE CQsBldybdIhtAiPfAkaGVYwiqaXFuem5xUZ6xYm5xaV56XrJ+bmbGIHRs+3Yzy07GLveBR9i FOBgVOLhXbD9fawQa2JZcWXuIUYJDmYlEd7jbe9ihXhTEiurUovy44tKc1KLDzGaAt00kVlK NDkfGNl5JfGGpobmFpaG5sbmxmYWSuK8HQIHY4QE0hNLUrNTUwtSi2D6mDg4pRoYvV3a5jn/ l1IQu8GmPonp8MHrH6c84PnqM8G5dJ2Nh9jxRzMkDqysTr7kYMBUKseysKj77V61v7o9x6// OKoQxhAcXTctskgrdt+8TX+/ZOa4ZWVskXMXOLnYUc7V42jc7dB0xYWrF5llhR7lyDv7vd6o knVj9E+5WlFhz9vRLzi4BD+XcXEosRRnJBpqMRcVJwIA3Caj6rQCAAA= X-CMS-MailID: 20191211144648eucas1p2065aac523ce190a5c0e6e2b5b11bd5ce X-Msg-Generator: CA X-RootMTR: 20191211144648eucas1p2065aac523ce190a5c0e6e2b5b11bd5ce X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191211144648eucas1p2065aac523ce190a5c0e6e2b5b11bd5ce References: <20191211144638.24676-1-m.szyprowski@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191211_064652_863661_50D6EA77 X-CRM114-Status: GOOD ( 12.43 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Agner , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Maxime Ripard , Bjorn Andersson , Chunfeng Yun , Chen-Yu Tsai , Andy Gross , Krzysztof Kozlowski , Matthias Brugger , Marek Szyprowski MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Current USB3503 driver ignores GPIO polarity and always operates as if the GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing USB3503 chip applications to match the chip specification and common convention for naming the pins. The only pin, which has to be ACTIVE_LOW is the reset pin. The remaining are ACTIVE_HIGH. This change allows later to fix the USB3503 driver to properly use generic GPIO bindings and read polarity from DT. Signed-off-by: Marek Szyprowski --- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 2 +- arch/arm/boot/dts/exynos5250-arndale.dts | 2 +- arch/arm/boot/dts/exynos5410-odroidxu.dts | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index ea55f377d17c..9c39e82e4ecb 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -267,7 +267,7 @@ intn-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>; connect-gpios = <&gpx3 4 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpx3 5 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpx3 5 GPIO_ACTIVE_LOW>; initial-mode = <1>; }; diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index d6c85efdb465..3eddf5dbcf7b 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -154,7 +154,7 @@ compatible = "smsc,usb3503a"; reset-gpios = <&gpx3 5 GPIO_ACTIVE_LOW>; - connect-gpios = <&gpd1 7 GPIO_ACTIVE_LOW>; + connect-gpios = <&gpd1 7 GPIO_ACTIVE_HIGH>; }; }; diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts index e0db251e253f..4f9297ae0763 100644 --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts @@ -170,7 +170,7 @@ intn-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>; connect-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpx1 4 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpx1 4 GPIO_ACTIVE_LOW>; initial-mode = <1>; clock-names = "refclk"; From patchwork Wed Dec 11 14:46:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 11285249 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EB250109A for ; Wed, 11 Dec 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11 Dec 2019 14:46:49 +0000 (GMT) Received: from AMDC2765.digital.local (unknown [106.120.51.73]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20191211144648eusmtip1fe02aa74fd490787f74d96f1003eafb3~fWGpmIbrv0888708887eusmtip18; Wed, 11 Dec 2019 14:46:48 +0000 (GMT) From: Marek Szyprowski To: linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 2/4] ARM: dts: qcom: Correct USB3503 GPIOs polarity Date: Wed, 11 Dec 2019 15:46:36 +0100 Message-Id: <20191211144638.24676-3-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211144638.24676-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0WSbUhTURzGObv3bneryfUqeLRIHGkU5gtW3siiIPTWh+qDvVmSKy822qbt qrmiEudLLpPs1VbLpaH5smlqL0q5XOGQaHNKYuJGtaA0VMQ0ytKcd9q35//8f895OIeDI+Qr LAiXKTMZlVIql/BF6NOuX7b1h8FEctTARCxlc8+g1OPyRox6ax5DqaIOPUppqhr5lN3eJKCa 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20191211144649eucas1p1b882634306383e225dbab70629d2f222 References: <20191211144638.24676-1-m.szyprowski@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191211_064652_879551_A5E99CBD X-CRM114-Status: GOOD ( 13.17 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Agner , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Maxime Ripard , Bjorn Andersson , Chunfeng Yun , Chen-Yu Tsai , Andy Gross , Krzysztof Kozlowski , Matthias Brugger , Marek Szyprowski MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Current USB3503 driver ignores GPIO polarity and always operates as if the GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing USB3503 chip applications to match the chip specification and common convention for naming the pins. The only pin, which has to be ACTIVE_LOW is the reset pin. The remaining are ACTIVE_HIGH. This change allows later to fix the USB3503 driver to properly use generic GPIO bindings and read polarity from DT. Signed-off-by: Marek Szyprowski --- arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts index 26160c324802..942e3a2cac35 100644 --- a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts +++ b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts @@ -143,7 +143,7 @@ compatible = "smsc,usb3503a"; reg = <0x8>; connect-gpios = <&gpioext2 1 GPIO_ACTIVE_HIGH>; - intn-gpios = <&gpioext2 0 GPIO_ACTIVE_LOW>; + intn-gpios = <&gpioext2 0 GPIO_ACTIVE_HIGH>; initial-mode = <1>; }; }; From patchwork Wed Dec 11 14:46:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 11285255 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E9FBE109A for ; 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Wed, 11 Dec 2019 14:46:49 +0000 (GMT) From: Marek Szyprowski To: linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 3/4] ARM: dts: sun8i: a83t: Correct USB3503 GPIOs polarity Date: Wed, 11 Dec 2019 15:46:37 +0100 Message-Id: <20191211144638.24676-4-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211144638.24676-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSe0iTURzl7nu6WnxN04uFwsrAMG0ZdOkhGf3xZUQSQWBZLf1Qcz7YnGZB Pps5LCsMx9Cs+ShfUzfRNPONo0TnHIhUSj6oFDTNwhdofn5W/51z7jm/87uXS2PSVsKdjopN 4FSxCqWMFOMNPcu2gyFgPvSQZVGK+idWcVSnryFQb9ssjrJaC3GUUVxDIputlkLmiSECOZoL SOTIsAOkt7WKkLHsPoaqu0colJ7pj7TZZQSymLIotNxpE51i2OLFUYytHa8k2CbDCMWaK7JJ 9vNQC8m2FVZRrKUkhc1834azj+orALtg9ggWh4hPhHPKqERO5RdwQxw5aj0anyu+PbFUJ0oF jbQOONGQOQJLJmdIHRDTUuY1gCuDU4RAfgHYMZ+1RRYANOZN4DpAb0ZmC6IF/RWAL0ufE/yo zcQ3gw+PSUYOdTO6zbEuTBWAqw/1OE8wph+DhRl2nHc5Mxdg2nou4DHOeMG5dzkUjyXMSWiZ 6iOFBT1hZW07xjc7MQEwryOZnwOZIQp+mlsXCZ4zUN/RjQnYGU5b6ykB74HrTUUiIZAB4Fh/ NSWQHAAd6XoguI7DLqud4BswxhvWNPsJciAsyjcB4co74PDMTl7GNuDThnxMkCXwgVYquPdD g9X0r7ZjYHDLwsKulUDhsZ4AmJ3bQz4Gnob/XS8AqABunEYdE8Gp5bFckq9aEaPWxEb4hsXF mMHGr+pds/58A34P3uwEDA1k2yUvGn+ESglFojo5phNAGpO5SKza2VCpJFyRfIdTxV1XaZSc uhPspnGZm8TfOBUqZSIUCVw0x8Vzqr+nItrJPRW0OLy+6OpU5UtZml05gefaz3tFhd9rV/bd 4rZly6+FtCQFN0xPpVl0dhMVdyU6p8GDFDdflmPDziZrguR0igHZggKi9irvFq9ptcSAd+nV yn2y3kWtj8/bobGR/DhPx2GN60eTa9iHS0bVd/ev5vKzzvHPLk4GHXOxh4/7jOhkuDpSIT+A qdSKP5F+hSVRAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsVy+t/xu7qRjB9jDVast7I49/g3i8XGGetZ LU7vf8di0b5vLotF8+L1bBbnz29gt9j0+BqrxeVdc9gsLjdfZLSYcX4fk8WiZa3MFmuP3GW3 aGoxtmjrXMZqsXldO7vFz0PnmRwEPBZ/v8fsseHRalaPnbPusntsWtXJ5nHn2h42j/1z17B7 bF5S79Fycj+LR9+WVYwenzfJBXBF6dkU5ZeWpCpk5BeX2CpFG1oY6RlaWugZmVjqGRqbx1oZ mSrp29mkpOZklqUW6dsl6GXcO25e0M9V8fjHRqYGxu0cXYwcHBICJhLv5mR3MXJxCAksZZS4 NOMeWxcjJ1BcRuLktAZWCFtY4s+1LjaIok+MEt9+rGACSbAJGEp0vYVIiAhsYJQ48/4JC0iC WeAas8SyzdIgtrCAr8T+PUsZQWwWAVWJD3t72EFsXgFbic0vz0Jtk5dYveEAM8hFnAJ2ElMO VoKEhYBK7k06xDaBkW8BI8MqRpHU0uLc9NxiI73ixNzi0rx0veT83E2MwMjZduznlh2MXe+C DzEKcDAq8fAu2P4+Vog1say4MvcQowQHs5II7/G2d7FCvCmJlVWpRfnxRaU5qcWHGE2BbprI LCWanA+M6rySeENTQ3MLS0NzY3NjMwslcd4OgYMxQgLpiSWp2ampBalFMH1MHJxSDYxzfysY lifYiR1q/Nn/p7Vduba9WTjLy0qsb3v+Cp5DmZKOS9c+Kny95GOA9830KOEb554cfGTKIX5+ aWu14c5ztl/3/bpqOVtb1WLn6t7E4vJtqx7el3/HkdnCMvWcmdKOtyXN0w5uz7bS3GJqsCNQ 2pXl02P3lv7Cv5fvT20+e/DTYtmgGfuVWIozEg21mIuKEwHzY67vsgIAAA== X-CMS-MailID: 20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837 X-Msg-Generator: CA X-RootMTR: 20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837 References: <20191211144638.24676-1-m.szyprowski@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191211_064652_892408_2CEBE52D X-CRM114-Status: GOOD ( 13.64 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Agner , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Maxime Ripard , Bjorn Andersson , Chunfeng Yun , Chen-Yu Tsai , Andy Gross , Krzysztof Kozlowski , Matthias Brugger , Marek Szyprowski MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Current USB3503 driver ignores GPIO polarity and always operates as if the GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing USB3503 chip applications to match the chip specification and common convention for naming the pins. The only pin, which has to be ACTIVE_LOW is the reset pin. The remaining are ACTIVE_HIGH. This change allows later to fix the USB3503 driver to properly use generic GPIO bindings and read polarity from DT. Signed-off-by: Marek Szyprowski --- arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts index fb928503ad45..d9be511f054f 100644 --- a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts +++ b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts @@ -101,7 +101,7 @@ initial-mode = <1>; /* initialize in HUB mode */ disabled-ports = <1>; intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ - reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */ + reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */ connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */ refclk-frequency = <19200000>; }; From patchwork Wed Dec 11 14:46:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 11285251 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 24959188B for ; 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Wed, 11 Dec 2019 14:46:49 +0000 (GMT) From: Marek Szyprowski To: linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 4/4] usb: usb3503: Convert to use GPIO descriptors Date: Wed, 11 Dec 2019 15:46:38 +0100 Message-Id: <20191211144638.24676-5-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211144638.24676-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSaUhUURjlzntv3nNw5DkjeF1KGigryAWjLqWSYfGEjET6k0015XPBlRnX /iTuDikmSpNmiYqW+5bOaGkuOamD44JmkFppoImWS4Yams9n9u+c757znXMvl8Ik7whrKjg8 ilWGK0JlQhHe3LsxeMoPLMud+uoxNDizhaN6TS2BBjqWcJTWXoijpJJaITIa60iU+6dcgBpm xgk02vpUiEaThgHSGNsFqLgsBUPVPZMkSkx2QakZZQRqrEkj0UaXUXDBnCn5PYUxdV8rCUaX P0kyDRUZQubT+Gsh01FYRTKNpQ+Y5L4OnMlqqgDMasPha6IbIld/NjQ4hlU6ut8RBTXNNJOR z53i1vtniQSgt1cDEwrSp2FZTjGpBiJKQr8AcGzTIOTJGoCFKZ2AU0noVQBnJwLVgNpzpHQf 5zXlAC63aIgDw8v1MZwzCGlnqF5U722yoKsA3MrU4BzB6E0MflxI2VsrpS/B9JphgsM4fRQW pGcJOCym3WCHYRvwBe1gZd1bjIs2od1hbmc8twfSUySc07ZjvMYTjpa0EzyWwu/6JpLHtnBH 91zAG5IA/DJYTfLkIYCjiZr9hPOwW8+1oHbrnYC1rY782AMWJJUD/s5mcGLRnBtjuzCn+THG j8UwPVXCq4/BfH3NQWzn0Mh+NQbOf9DsP+kjALOW10E2sMv/H1YEQAWwZKNVYYGsyjmcjXVQ KcJU0eGBDvciwhrA7uca2NavaMGvkbtdgKaAzFRc1PJDLiEUMar4sC4AKUxmIdanLsklYn9F /H1WGXFbGR3KqrqADYXLLMUuxfNyCR2oiGJDWDaSVf47FVAm1gmAiF9jv32WHrnlsXnWNQAa SqdEcQYm08tautC2vWgXaz70ZvqJp2vUZWfCtsAqxnD1kK7HNK/FLLvc1jck8fq01n/55pXq wYDGZ4IKey9v77lZn9Bz/WfmrH76OW29d7R55aOd1Y2PFOM+F92KVhql9XnyhZh5Ue96W6Fv snEnW4arghTOJzGlSvEXORxtJVgDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrKIsWRmVeSWpSXmKPExsVy+t/xu7pRjB9jDTqeaFqce/ybxWLjjPWs Fqf3v2OxaN83l8WiefF6Novz5zewW0z5s5zJYtPja6wWl3fNYbO43HyR0WLG+X1MFouWtTJb rD1yl92iqcXYoq1zGavF5nXt7BY/D51nchD0WPz9HrPHhkerWT12zrrL7rFpVSebx51re9g8 9s9dw+6xeUm9R8vJ/SwefVtWMXp83iQXwBWlZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqln aGwea2VkqqRvZ5OSmpNZllqkb5egl7Hl8Tb2gvkGFd9OPWFtYDyu3sXIwSEhYCLReliji5GL Q0hgKaPE0yfHmLsYOYHiMhInpzWwQtjCEn+udbFBFH1ilFh9ajNYgk3AUKLrLURCRGADo8SZ 909YQBLMAk0sEicPqYDYwgKuEh3rLoI1sAioSszu6GMCsXkFbCX2n/nHCLFBXmL1hgPMIBdx CthJTDlYCRIWAiq5N+kQ2wRGvgWMDKsYRVJLi3PTc4uN9IoTc4tL89L1kvNzNzECo2jbsZ9b djB2vQs+xCjAwajEw7tg+/tYIdbEsuLK3EOMEhzMSiK8x9vexQrxpiRWVqUW5ccXleakFh9i NAW6aSKzlGhyPjDC80riDU0NzS0sDc2NzY3NLJTEeTsEDsYICaQnlqRmp6YWpBbB9DFxcEo1 MKpknr333+BegsOc+Rc3p//yKv4fKy7yJ4zvc3qNimDDs6hMP2XXmflvzFO3b1j3al7Jxcdi PZ+nc9sILFq0ZsUBuWU50oUfL3/kfKkw94LmGu/JOy9NFM7Z9OdFrcv869ffP1PdLPfmjahc 2pH7BuK8xQYCxis2xiZ92/r3TvOOz8ftumqVZj5TYinOSDTUYi4qTgQArFTau7gCAAA= X-CMS-MailID: 20191211144650eucas1p221857c5e96ee4b5730fad80e105933ac X-Msg-Generator: CA X-RootMTR: 20191211144650eucas1p221857c5e96ee4b5730fad80e105933ac X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191211144650eucas1p221857c5e96ee4b5730fad80e105933ac References: <20191211144638.24676-1-m.szyprowski@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191211_064655_797760_192F13EA X-CRM114-Status: GOOD ( 17.42 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.12 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Agner , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Linus Walleij , Maxime Ripard , Bjorn Andersson , Chunfeng Yun , Chen-Yu Tsai , Andy Gross , Krzysztof Kozlowski , Matthias Brugger , Marek Szyprowski MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Linus Walleij This converts the USB3503 to pick GPIO descriptors from the device tree instead of iteratively picking out GPIO number references and then referencing these from the global GPIO numberspace. The USB3503 is only used from device tree among the in-tree platforms. If board files would still desire to use it they can provide machine descriptor tables. Make sure to preserve semantics such as the reset delay introduced by Stefan. Cc: Chunfeng Yun Cc: Marek Szyprowski Cc: Stefan Agner Cc: Krzysztof Kozlowski Signed-off-by: Linus Walleij [mszyprow: invert the logic behind reset GPIO line] Signed-off-by: Marek Szyprowski --- drivers/usb/misc/usb3503.c | 94 ++++++++++----------------- include/linux/platform_data/usb3503.h | 3 - 2 files changed, 35 insertions(+), 62 deletions(-) diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c index 72f39a9751b5..116bd789e568 100644 --- a/drivers/usb/misc/usb3503.c +++ b/drivers/usb/misc/usb3503.c @@ -7,11 +7,10 @@ #include #include -#include +#include #include #include #include -#include #include #include #include @@ -47,19 +46,19 @@ struct usb3503 { struct device *dev; struct clk *clk; u8 port_off_mask; - int gpio_intn; - int gpio_reset; - int gpio_connect; + struct gpio_desc *intn; + struct gpio_desc *reset; + struct gpio_desc *connect; bool secondary_ref_clk; }; static int usb3503_reset(struct usb3503 *hub, int state) { - if (!state && gpio_is_valid(hub->gpio_connect)) - gpio_set_value_cansleep(hub->gpio_connect, 0); + if (!state && hub->connect) + gpiod_set_value_cansleep(hub->connect, 0); - if (gpio_is_valid(hub->gpio_reset)) - gpio_set_value_cansleep(hub->gpio_reset, state); + if (hub->reset) + gpiod_set_value_cansleep(hub->reset, !state); /* Wait T_HUBINIT == 4ms for hub logic to stabilize */ if (state) @@ -115,8 +114,8 @@ static int usb3503_connect(struct usb3503 *hub) } } - if (gpio_is_valid(hub->gpio_connect)) - gpio_set_value_cansleep(hub->gpio_connect, 1); + if (hub->connect) + gpiod_set_value_cansleep(hub->connect, 1); hub->mode = USB3503_MODE_HUB; dev_info(dev, "switched to HUB mode\n"); @@ -163,13 +162,11 @@ static int usb3503_probe(struct usb3503 *hub) int err; u32 mode = USB3503_MODE_HUB; const u32 *property; + enum gpiod_flags flags; int len; if (pdata) { hub->port_off_mask = pdata->port_off_mask; - hub->gpio_intn = pdata->gpio_intn; - hub->gpio_connect = pdata->gpio_connect; - hub->gpio_reset = pdata->gpio_reset; hub->mode = pdata->initial_mode; } else if (np) { u32 rate = 0; @@ -230,59 +227,38 @@ static int usb3503_probe(struct usb3503 *hub) } } - hub->gpio_intn = of_get_named_gpio(np, "intn-gpios", 0); - if (hub->gpio_intn == -EPROBE_DEFER) - return -EPROBE_DEFER; - hub->gpio_connect = of_get_named_gpio(np, "connect-gpios", 0); - if (hub->gpio_connect == -EPROBE_DEFER) - return -EPROBE_DEFER; - hub->gpio_reset = of_get_named_gpio(np, "reset-gpios", 0); - if (hub->gpio_reset == -EPROBE_DEFER) - return -EPROBE_DEFER; of_property_read_u32(np, "initial-mode", &mode); hub->mode = mode; } - if (hub->port_off_mask && !hub->regmap) - dev_err(dev, "Ports disabled with no control interface\n"); - - if (gpio_is_valid(hub->gpio_intn)) { - int val = hub->secondary_ref_clk ? GPIOF_OUT_INIT_LOW : - GPIOF_OUT_INIT_HIGH; - err = devm_gpio_request_one(dev, hub->gpio_intn, val, - "usb3503 intn"); - if (err) { - dev_err(dev, - "unable to request GPIO %d as interrupt pin (%d)\n", - hub->gpio_intn, err); - return err; - } - } - - if (gpio_is_valid(hub->gpio_connect)) { - err = devm_gpio_request_one(dev, hub->gpio_connect, - GPIOF_OUT_INIT_LOW, "usb3503 connect"); - if (err) { - dev_err(dev, - "unable to request GPIO %d as connect pin (%d)\n", - hub->gpio_connect, err); - return err; - } - } - - if (gpio_is_valid(hub->gpio_reset)) { - err = devm_gpio_request_one(dev, hub->gpio_reset, - GPIOF_OUT_INIT_LOW, "usb3503 reset"); + if (hub->secondary_ref_clk) + flags = GPIOD_OUT_LOW; + else + flags = GPIOD_OUT_HIGH; + hub->intn = devm_gpiod_get_optional(dev, "intn", flags); + if (IS_ERR(hub->intn)) + return PTR_ERR(hub->intn); + if (hub->intn) + gpiod_set_consumer_name(hub->intn, "usb3503 intn"); + + hub->connect = devm_gpiod_get_optional(dev, "connect", GPIOD_OUT_LOW); + if (IS_ERR(hub->connect)) + return PTR_ERR(hub->connect); + if (hub->connect) + gpiod_set_consumer_name(hub->connect, "usb3503 connect"); + + hub->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(hub->reset)) + return PTR_ERR(hub->reset); + if (hub->reset) { /* Datasheet defines a hardware reset to be at least 100us */ usleep_range(100, 10000); - if (err) { - dev_err(dev, - "unable to request GPIO %d as reset pin (%d)\n", - hub->gpio_reset, err); - return err; - } + gpiod_set_consumer_name(hub->reset, "usb3503 reset"); } + if (hub->port_off_mask && !hub->regmap) + dev_err(dev, "Ports disabled with no control interface\n"); + usb3503_switch_mode(hub, hub->mode); dev_info(dev, "%s: probed in %s mode\n", __func__, diff --git a/include/linux/platform_data/usb3503.h b/include/linux/platform_data/usb3503.h index e049d51c1353..d01ef97ddf36 100644 --- a/include/linux/platform_data/usb3503.h +++ b/include/linux/platform_data/usb3503.h @@ -17,9 +17,6 @@ enum usb3503_mode { struct usb3503_platform_data { enum usb3503_mode initial_mode; u8 port_off_mask; - int gpio_intn; - int gpio_connect; - int gpio_reset; }; #endif