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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 Cc: Marek Szyprowski , Greg Kroah-Hartman , Krzysztof Kozlowski , Matthias Brugger , Maxime Ripard , Chen-Yu Tsai , Andy Gross , Bjorn Andersson , Stefan Agner , Chunfeng Yun , Bartlomiej Zolnierkiewicz 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 Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191211144649eucas1p2ec8ca5bec84c179a5cbf01a285e82837 References: <20191211144638.24676-1-m.szyprowski@samsung.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.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>; }; -- 2.17.1