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Wed, 31 Aug 2022 16:28:09 +0200 (CEST) Date: Wed, 31 Aug 2022 16:28:09 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Marek Behun Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: dts: turris-omnia: Add mcu node Message-ID: <20220831142809.lcmnv3l4rnulo522@pali> References: <20220819131152.6513-1-pali@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220819131152.6513-1-pali@kernel.org> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220831_072814_696309_82FE830A X-CRM114-Status: GOOD ( 21.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org UElORz8KCk9uIEZyaWRheSAxOSBBdWd1c3QgMjAyMiAxNToxMTo1MiBQYWxpIFJvaMOhciB3cm90 ZToKPiBBdCBpMmMgYWRkcmVzcyAweDJhIGlzIE1DVSBjb21tYW5kIGludGVyZmFjZSB3aGljaCBw cm92aWRlcyBhY2Nlc3MgdG8gR1BJT3MKPiBjb25uZWN0ZWQgdG8gVHVycmlzIE9tbmlhIE1DVS4g U28gZGVmaW5lIG1jdSBub2RlIGluIFR1cnJpcyBPbW5pYSBEVFMgZmlsZS4KPiAKPiBTaWduZWQt b2ZmLWJ5OiBQYWxpIFJvaMOhciA8cGFsaUBrZXJuZWwub3JnPgo+IAo+IC0tLQo+IFNhbWUgY2hh bmdlIHdhcyBhbHJlYWR5IHNlbnQgdG8gVS1Cb290IHByb2plY3QgdG9nZXRoZXIgd2l0aCBkcml2 ZXIuIEFzCj4gVHVycmlzIE9tbmlhIERUUyBmaWxlIGlzIHNoYXJlZCBiZXR3ZWVuIExpbnV4IGtl cm5lbCBVLUJvb3QsIEknbSBzZW5kaW5nCj4gdGhpcyBjaGFuZ2UgYWxzbyBpbiBMaW51eC4gVGhl cmUgaXMgYSBwbGFuIHRvIHdyaXRlIGFsc28gTGludXggZHJpdmVyIGZvcgo+IFR1cnJpcyBPbW5p YSBNQ1UsIGxpa2UgdGhlcmUgaXMgYWxyZWFkeSBpbiBVLUJvb3QuCj4gCj4gaHR0cHM6Ly9zb3Vy Y2UuZGVueC5kZS91LWJvb3QvdS1ib290Ly0vY29tbWl0LzgzMjczODk3NDgwNmU2MjY0YTNkMGFj MmFhYTkyZDBmNjYyZmQxMjgKPiBodHRwczovL3NvdXJjZS5kZW54LmRlL3UtYm9vdC91LWJvb3Qv LS9ibG9iL21hc3Rlci9kcml2ZXJzL2dwaW8vdHVycmlzX29tbmlhX21jdS5jCj4gLS0tCj4gIGFy Y2gvYXJtL2Jvb3QvZHRzL2FybWFkYS0zODUtdHVycmlzLW9tbmlhLmR0cyB8IDggKysrKysrKy0K PiAgMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+IAo+IGRp ZmYgLS1naXQgYS9hcmNoL2FybS9ib290L2R0cy9hcm1hZGEtMzg1LXR1cnJpcy1vbW5pYS5kdHMg Yi9hcmNoL2FybS9ib290L2R0cy9hcm1hZGEtMzg1LXR1cnJpcy1vbW5pYS5kdHMKPiBpbmRleCBm NDg3OGRmMzk3NTMuLmY2NTVlOTIyOWQ2OCAxMDA2NDQKPiAtLS0gYS9hcmNoL2FybS9ib290L2R0 cy9hcm1hZGEtMzg1LXR1cnJpcy1vbW5pYS5kdHMKPiArKysgYi9hcmNoL2FybS9ib290L2R0cy9h cm1hZGEtMzg1LXR1cnJpcy1vbW5pYS5kdHMKPiBAQCAtMTg0LDcgKzE4NCwxMyBAQAo+ICAJCQkj c2l6ZS1jZWxscyA9IDwwPjsKPiAgCQkJcmVnID0gPDA+Owo+ICAKPiAtCQkJLyogU1RNMzJGMCBj b21tYW5kIGludGVyZmFjZSBhdCBhZGRyZXNzIDB4MmEgKi8KPiArCQkJLyogTUNVIGNvbW1hbmQg aTJjIEFQSSAqLwo+ICsJCQltY3U6IG1jdUAyYSB7Cj4gKwkJCQljb21wYXRpYmxlID0gImN6bmlj LHR1cnJpcy1vbW5pYS1tY3UiOwo+ICsJCQkJcmVnID0gPDB4MmE+Owo+ICsJCQkJZ3Bpby1jb250 cm9sbGVyOwo+ICsJCQkJI2dwaW8tY2VsbHMgPSA8Mz47Cj4gKwkJCX07Cj4gIAo+ICAJCQlsZWQt Y29udHJvbGxlckAyYiB7Cj4gIAkJCQljb21wYXRpYmxlID0gImN6bmljLHR1cnJpcy1vbW5pYS1s ZWRzIjsKPiAtLSAKPiAyLjIwLjEKPiAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1r ZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F06CECAAD1 for ; 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d=kernel.org; s=k20201202; t=1661956091; bh=1QA5Gwy5yM74XPHFPpRTyh0noC8OOgttdPqN/fIeYDQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cNL1O9CENaxh2v8eefT7iJYEyjWCcuShXRxpfxS0qWn2PtGGK8mtGuwxSVRvBFtTl E+IOUipjsmOzWL7lFlw+Gc+d8XlsU9Rn6gUE1p9URYzAQi3TwVYYTUIIE1FriRkjM1 z9yQtyg/nh7zBqE+IOgKmL9JSV6QnEyatA2KL1B5iPSdbuwsU+B8sJgMwc0ML/ZPjX fXIUyJU5pBzH5Ebb6OP0Jdu2CedtgHHntigVNnUDvMK1ISlsmEdfOOhMBkb1InjtfG ygL+cipmfwOy2shhkhBTTvKnzPgbZnFMt/AJxjejy1dL6Wgo2E1e3LVxqB6ziNuzj9 GPyEgGe5CemLg== Received: by pali.im (Postfix) id 1B45A855; Wed, 31 Aug 2022 16:28:09 +0200 (CEST) Date: Wed, 31 Aug 2022 16:28:09 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Marek Behun Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: dts: turris-omnia: Add mcu node Message-ID: <20220831142809.lcmnv3l4rnulo522@pali> References: <20220819131152.6513-1-pali@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220819131152.6513-1-pali@kernel.org> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org PING? On Friday 19 August 2022 15:11:52 Pali Rohár wrote: > At i2c address 0x2a is MCU command interface which provides access to GPIOs > connected to Turris Omnia MCU. So define mcu node in Turris Omnia DTS file. > > Signed-off-by: Pali Rohár > > --- > Same change was already sent to U-Boot project together with driver. As > Turris Omnia DTS file is shared between Linux kernel U-Boot, I'm sending > this change also in Linux. There is a plan to write also Linux driver for > Turris Omnia MCU, like there is already in U-Boot. > > https://source.denx.de/u-boot/u-boot/-/commit/832738974806e6264a3d0ac2aaa92d0f662fd128 > https://source.denx.de/u-boot/u-boot/-/blob/master/drivers/gpio/turris_omnia_mcu.c > --- > arch/arm/boot/dts/armada-385-turris-omnia.dts | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts > index f4878df39753..f655e9229d68 100644 > --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts > +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts > @@ -184,7 +184,13 @@ > #size-cells = <0>; > reg = <0>; > > - /* STM32F0 command interface at address 0x2a */ > + /* MCU command i2c API */ > + mcu: mcu@2a { > + compatible = "cznic,turris-omnia-mcu"; > + reg = <0x2a>; > + gpio-controller; > + #gpio-cells = <3>; > + }; > > led-controller@2b { > compatible = "cznic,turris-omnia-leds"; > -- > 2.20.1 >