From: "Vokáč Michal" <Michal.Vokac@ysoft.com> To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@nxp.com>, Rob Herring <robh+dt@kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org> Subject: Re: [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity Date: Mon, 8 Oct 2018 11:45:36 +0000 [thread overview] Message-ID: <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> (raw) In-Reply-To: <1538040281-21319-3-git-send-email-michal.vokac@ysoft.com> On 27.9.2018 11:24, Michal Vokáč wrote: > The reset signal of the SSD1306 OLED display is actually active-low. > Adapt the DT to reflect the real world. > > Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com> > --- > v2 changes: New patch in the series Bartlomiej just queued the first two patches for v4.20. Will somebody take this one? Otherwise this SoM will end up with broken OLED display reset. Thanks, Michal. > > arch/arm/boot/dts/imx28-cfa10036.dts | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts > index e54f5ab..be3406e 100644 > --- a/arch/arm/boot/dts/imx28-cfa10036.dts > +++ b/arch/arm/boot/dts/imx28-cfa10036.dts > @@ -11,6 +11,7 @@ > > /dts-v1/; > #include "imx28.dtsi" > +#include <dt-bindings/gpio/gpio.h> > > / { > model = "Crystalfontz CFA-10036 Board"; > @@ -95,7 +96,7 @@ > pinctrl-names = "default"; > pinctrl-0 = <&ssd1306_cfa10036>; > reg = <0x3c>; > - reset-gpios = <&gpio2 7 0>; > + reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>; > solomon,height = <32>; > solomon,width = <128>; > solomon,page-offset = <0>; >
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From: "Vokáč Michal" <Michal.Vokac@ysoft.com> To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@nxp.com>, Rob Herring <robh+dt@kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org> Subject: Re: [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity Date: Mon, 08 Oct 2018 11:45:36 +0000 [thread overview] Message-ID: <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> (raw) In-Reply-To: <1538040281-21319-3-git-send-email-michal.vokac@ysoft.com> T24gMjcuOS4yMDE4IDExOjI0LCBNaWNoYWwgVm9rw6HEjSB3cm90ZToNCj4gVGhlIHJlc2V0IHNp Z25hbCBvZiB0aGUgU1NEMTMwNiBPTEVEIGRpc3BsYXkgaXMgYWN0dWFsbHkgYWN0aXZlLWxvdy4N Cj4gQWRhcHQgdGhlIERUIHRvIHJlZmxlY3QgdGhlIHJlYWwgd29ybGQuDQo+IA0KPiBTaWduZWQt b2ZmLWJ5OiBNaWNoYWwgVm9rw6HEjSA8bWljaGFsLnZva2FjQHlzb2Z0LmNvbT4NCj4gLS0tDQo+ IHYyIGNoYW5nZXM6IE5ldyBwYXRjaCBpbiB0aGUgc2VyaWVzDQoNCkJhcnRsb21pZWoganVzdCBx dWV1ZWQgdGhlIGZpcnN0IHR3byBwYXRjaGVzIGZvciB2NC4yMC4NCldpbGwgc29tZWJvZHkgdGFr ZSB0aGlzIG9uZT8gT3RoZXJ3aXNlIHRoaXMgU29NIHdpbGwgZW5kIHVwIHdpdGgNCmJyb2tlbiBP TEVEIGRpc3BsYXkgcmVzZXQuDQoNClRoYW5rcywgTWljaGFsLg0KDQo+IA0KPiAgIGFyY2gvYXJt L2Jvb3QvZHRzL2lteDI4LWNmYTEwMDM2LmR0cyB8IDMgKystDQo+ICAgMSBmaWxlIGNoYW5nZWQs IDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2FyY2gv YXJtL2Jvb3QvZHRzL2lteDI4LWNmYTEwMDM2LmR0cyBiL2FyY2gvYXJtL2Jvb3QvZHRzL2lteDI4 LWNmYTEwMDM2LmR0cw0KPiBpbmRleCBlNTRmNWFiLi5iZTM0MDZlIDEwMDY0NA0KPiAtLS0gYS9h cmNoL2FybS9ib290L2R0cy9pbXgyOC1jZmExMDAzNi5kdHMNCj4gKysrIGIvYXJjaC9hcm0vYm9v dC9kdHMvaW14MjgtY2ZhMTAwMzYuZHRzDQo+IEBAIC0xMSw2ICsxMSw3IEBADQo+ICAgDQo+ICAg L2R0cy12MS87DQo+ICAgI2luY2x1ZGUgImlteDI4LmR0c2kiDQo+ICsjaW5jbHVkZSA8ZHQtYmlu ZGluZ3MvZ3Bpby9ncGlvLmg+DQo+ICAgDQo+ICAgLyB7DQo+ICAgCW1vZGVsID0gIkNyeXN0YWxm b250eiBDRkEtMTAwMzYgQm9hcmQiOw0KPiBAQCAtOTUsNyArOTYsNyBAQA0KPiAgIAkJCQkJcGlu Y3RybC1uYW1lcyA9ICJkZWZhdWx0IjsNCj4gICAJCQkJCXBpbmN0cmwtMCA9IDwmc3NkMTMwNl9j ZmExMDAzNj47DQo+ICAgCQkJCQlyZWcgPSA8MHgzYz47DQo+IC0JCQkJCXJlc2V0LWdwaW9zID0g PCZncGlvMiA3IDA+Ow0KPiArCQkJCQlyZXNldC1ncGlvcyA9IDwmZ3BpbzIgNyBHUElPX0FDVElW RV9MT1c+Ow0KPiAgIAkJCQkJc29sb21vbixoZWlnaHQgPSA8MzI+Ow0KPiAgIAkJCQkJc29sb21v bix3aWR0aCA9IDwxMjg+Ow0KPiAgIAkJCQkJc29sb21vbixwYWdlLW9mZnNldCA9IDwwPjsNCj4g DQo
next prev parent reply other threads:[~2018-10-08 11:45 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20180927092738epcas5p28c53516b73fe7747133914f40c84d6c4@epcas5p2.samsung.com> 2018-09-27 9:24 ` [RESEND PATCH v2 1/3] video: ssd1307fb: Use gpiod_set_value_cansleep() for reset Michal Vokáč 2018-09-27 9:24 ` Michal Vokáč 2018-09-27 9:24 ` [RESEND PATCH v2 2/3] video: ssd1307fb: Do not hard code active-low reset sequence Michal Vokáč 2018-09-27 9:24 ` Michal Vokáč 2018-10-08 10:53 ` Bartlomiej Zolnierkiewicz 2018-10-08 10:53 ` Bartlomiej Zolnierkiewicz 2018-09-27 9:24 ` [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity Michal Vokáč 2018-09-27 9:24 ` Michal Vokáč 2018-10-08 11:45 ` Vokáč Michal [this message] 2018-10-08 11:45 ` Vokáč Michal 2018-10-09 0:20 ` Shawn Guo 2018-10-09 0:20 ` Shawn Guo 2018-10-09 7:51 ` Bartlomiej Zolnierkiewicz 2018-10-09 7:51 ` Bartlomiej Zolnierkiewicz 2018-10-09 8:29 ` Vokáč Michal 2018-10-09 8:29 ` Vokáč Michal 2018-10-09 12:36 ` Fabio Estevam 2018-10-09 12:36 ` Fabio Estevam 2018-10-09 12:36 ` Fabio Estevam 2018-10-09 13:18 ` Vokáč Michal 2018-10-09 13:18 ` Vokáč Michal 2018-10-09 13:18 ` Vokáč Michal 2018-10-09 13:30 ` Bartlomiej Zolnierkiewicz 2018-10-09 13:30 ` Bartlomiej Zolnierkiewicz 2018-10-09 13:30 ` Bartlomiej Zolnierkiewicz 2018-10-08 10:53 ` [RESEND PATCH v2 1/3] video: ssd1307fb: Use gpiod_set_value_cansleep() for reset Bartlomiej Zolnierkiewicz 2018-10-08 10:53 ` Bartlomiej Zolnierkiewicz
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