From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD31224339D for ; Thu, 19 Jun 2025 15:43:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750347830; cv=none; b=OBhbiiqd/BebIQAWSRetvSW/IoRgLI2oR0snpGHPpY31bP6jZ2umeaEgP9vOtW4hd3HC2yHIvNW26WG6oE7G7qjTUeS1rjz2Puoplb4ww6YPLTNHd7CICaD10knkf1ChdDvd25GggOpv4etBDWFCXrmxqWyX7+aMI2YvhL0CApY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750347830; c=relaxed/simple; bh=UbDHYv4/Cb5WoHKg1VJxoa9UngLpiaMmnTd19/PwptM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WO8xAnHcI+XUo/xHeXLB/sDCT41N43S6kWaC4T0Y+YN4FzWi42YIFn/tj0fdv0VL/Hm2+KLaCMUlT28SMzm8IT4TbB4j9C75a1yI5hWsmyRxkzcakHwPSfkPh+G3ao4JF4s1ev+7KZGSsG9Cmp95zmR00yuE6knVZ6d5Qd5wGOA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uGSuu7NX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uGSuu7NX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94A54C4CEEA; Thu, 19 Jun 2025 15:43:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750347830; bh=UbDHYv4/Cb5WoHKg1VJxoa9UngLpiaMmnTd19/PwptM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uGSuu7NXaEtJvu48wGI1d0RQhNxurzk/4YoD2OwkgxoNo7+eXq3sFq1lcq0pPZzCc Ux2R6Qm6TPLx/zZAy5ntXvk1dSGgxkQ1EVlaGxMO4KoSfaSLYqBPTj8Qp2qMV8Lbnx +HlO1TboQyfZq3S5NFKiNBAXUEhkNfYLVl0U7/0nE7k44eVr40AGzWjiQumHYNflkG vTQenG5QyoVpqYTtbRETpae3Yv55h3T2fxQ8idikidr4cOadgwrVts7XNwBJU2qh9B 4JBuSe8D4SygK6fAkjivtqrt9a+SP6lanBIgLPpkiJkQFnL4+X5MgBgCaLL5FdF27I MJ33Bt9Feucfg== Date: Thu, 19 Jun 2025 16:43:46 +0100 From: Conor Dooley To: LiangCheng Wang Cc: cip-dev@lists.cip-project.org, drm@lists.freedesktop.org, devicetree@vger.kernel.org, noralf@tronnes.org, robh+dt@kernel.org, krzk@kernel.org, onlywig@gmail.com Subject: Re: [PATCH 3/3] dt-bindings: display: Add MAYQUEEN PIXPAPER e-ink panel Message-ID: <20250619-earlobe-skiing-25605816a861@spud> References: <20250618033731.171812-1-zaq14760@gmail.com> <20250618033731.171812-4-zaq14760@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="QN4uNdCU9WfwuFc9" Content-Disposition: inline In-Reply-To: <20250618033731.171812-4-zaq14760@gmail.com> --QN4uNdCU9WfwuFc9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 18, 2025 at 11:37:31AM +0800, LiangCheng Wang wrote: > The binding is for the MAYQUEEN PIXPAPER e-ink display panel, > controlled via an SPI interface. >=20 > Signed-off-by: LiangCheng Wang > --- > .../bindings/display/mayqueen,pixpaper.yaml | 67 +++++++++++++++++++ > 1 file changed, 67 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/mayqueen,pi= xpaper.yaml >=20 > diff --git a/Documentation/devicetree/bindings/display/mayqueen,pixpaper.= yaml b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml > new file mode 100644 > index 000000000..f7c33957e > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/mayqueen,pixpaper.yaml > @@ -0,0 +1,67 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/mayqueen,pixpaper.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MAYQUEEN PIXPAPER e-ink display panel > + > +maintainers: > + - LC Wang > + > +description: | > + The PIXPAPER is an e-ink display panel controlled via an SPI interface. > + The panel has a resolution of 122x250 pixels and requires GPIO pins for > + reset, busy, and data/command control. > + > +allOf: > + - $ref: /schemas/spi/spi-peripheral-props.yaml# > + > +properties: > + compatible: > + const: mayqueen,pixpaper > + > + reg: > + maxItems: 1 > + description: SPI chip select number for the device. > + > + spi-max-frequency: > + default: 1000000 > + description: Maximum SPI clock frequency in Hz. Does this actually not have a max? The display surely has a maximum supported frequency, which might be lowered based on the board it is connected to. > + > + reset-gpios: > + maxItems: 1 > + description: GPIO for the panel reset pin. > + > + busy-gpios: > + maxItems: 1 > + description: GPIO for the panel busy pin. > + > + dc-gpios: > + maxItems: 1 > + description: GPIO for the data/command pin. > + > +required: > + - compatible > + - reg > + - reset-gpios > + - busy-gpios > + - dc-gpios > + > +additionalProperties: false > + > +examples: > + - | > + #include > + spi { > + #address-cells =3D <1>; > + #size-cells =3D <0>; > + display@0 { > + compatible =3D "mayqueen,pixpaper"; > + reg =3D <0>; > + spi-max-frequency =3D <1000000>; > + reset-gpios =3D <&gpio1 17 GPIO_ACTIVE_HIGH>; > + busy-gpios =3D <&gpio1 18 GPIO_ACTIVE_HIGH>; > + dc-gpios =3D <&gpio1 19 GPIO_ACTIVE_HIGH>; > + }; > + }; > --=20 > 2.34.1 >=20 >=20 --QN4uNdCU9WfwuFc9 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaFQwMgAKCRB4tDGHoIJi 0nzdAQDQF27g4xVuG40BdEuZhLCUiWhBPHYBn8EQEm95V/OXPgEA2EOdbu3YDyPo pV7ouU6xHIaC8fClsUQI5hIMcom12AI= =D9VV -----END PGP SIGNATURE----- --QN4uNdCU9WfwuFc9--