From nobody Fri Oct 18 10:21:51 2024 Received: from mail-qt1-f180.google.com (mail-qt1-f180.google.com [209.85.160.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08D3B21E3C3; Tue, 15 Oct 2024 23:06:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729033606; cv=none; b=TfVmTPnQS6V1rqTTppDZxjF0Ip+JCmgpkDby+Y4blW40HDLuZdMjlz9EqFJ7B8XpxHEHo9nSZyO8HKwFnKm80tXGuCBxQE5lcniLDnSvTQsrxrbU1Hp0AFZpAFkXkNqDW3Be624rgqF4oBK+9OIEQUAq4SbDQSJ31GBTpb8lI88= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729033606; c=relaxed/simple; bh=k1Wh/DVJkFET1lbYA0HKKydmloYp/JWSBsDNgirb8kk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QPGuyEYA0/aSW+vfjznQWenSBEsSyAvPvwO1+H3Vmk2k6vNT6ayyWpyTGdLOaHUsc374vHv7icTqRqgRcF1ss9JgyHqDcci9dYMeBI8KYr7CURgi/Ta/z9vh+KvbLJ/AmefzomvQXEqiSbq8Ft70lW+P95LgBb/WTr+1Aq31uAg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=NRrhuoEx; arc=none smtp.client-ip=209.85.160.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NRrhuoEx" Received: by mail-qt1-f180.google.com with SMTP id d75a77b69052e-460407b421bso45613561cf.3; Tue, 15 Oct 2024 16:06:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729033604; x=1729638404; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jTpekSolQ0QOAMmLRMno5XrkJiMfliV9lomxb+U4KBw=; b=NRrhuoExOtacV0mUtYsuKUf7AwiKQJvHKZf1VPURCrXVsCWj85UA5iix7BvcN5bBxJ UrPJclKiPyn0Oe1iAUW4pwIlvMQG3Q2hhdP++WbGjSw3poeJmGZO7iu/HIi0xtojioK+ YY1PQVaJFh0dLewyth8O68/XPIRAc9HhIlUbRS+/Jbhl+u+mT61RbCgcKjWz4abUuKpg L9S0sXgk8JWtyXw+pGLe9Lr1e3O9UeuNFAbvTceCATT2UOQsuqMuBGEr3e3VO4WrtTy+ wEq/9wkEQwIwv18D1tovhmcQ9oUBxsQqHMN0HNvZDeE5iK3iN7VX3DnPWjiqwNGIg7SX 7+sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729033604; x=1729638404; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jTpekSolQ0QOAMmLRMno5XrkJiMfliV9lomxb+U4KBw=; b=C6ctxyPHNo81GjuBPpl3ozLackRb+OGTQz3Td68YAh0p7oXJUvgm+c+NY0PHMps3dO 9Ko3ZOS9LLL7Cq//KY9G08BLcy7WaVh0yZzLs3uyvlL/oiNUc06syjSixbfWPSaC4DXm wi3qb2wZG6cW5GppLc3+Mg6Eq5WZ0ZiRUQqMa8JMJeOp0tEJxrClL+owr3IT8nmQegM1 mhwq+pn+SVglfN2G7GVPbWub7kjxnYLiKrDbroQIKJObxnSylvwEEULNXb59OwfdpUfw mhgizB79SCub+j1b1uxuvAxah1DBBsVyZLyaEbUfrm/HMCkemwXdrhI8Lmd75DXSPTDe if3A== X-Forwarded-Encrypted: i=1; AJvYcCU4dHYf+cPYXSiuD/N2w19Qk4srQDhG7HBzAcWD9EjZspUpnKafl8Qyq1MZ6UU6wXRb/T21mJOdDpVhoaBb@vger.kernel.org, AJvYcCU98TkslsZBaZgrzXOwpQ8qvW29pCJ4aiNaJgowb9hXal6uyiuS9aGyZIC7aNvps848N3V7zgDFVikB@vger.kernel.org, AJvYcCUcYu4wOokMQgdgtWRfoC7L/S3pavkie0NWhu5mN4o00vOnr6OjnUgeLx2JM7pmwcIcK97U/T7jlLJc@vger.kernel.org X-Gm-Message-State: AOJu0YzsJl/ffT7PEUBcS1D2KqSnzUMHI6Utg0Adz+lpYpxb8jHrD6ih vN5NCu2yTixJIbDtmUnCJ0E6KUKdsLYSx8Q5suOJp5c3N16A/POu X-Google-Smtp-Source: AGHT+IHPzYqu5XwFBi/nu3ChGqeZPQygQizItBlhpnbbYQNvBTfKgOhOL+OuWmTFzGpiU6LMHw68uw== X-Received: by 2002:ac8:7d06:0:b0:45e:ff4c:6387 with SMTP id d75a77b69052e-4604bb94e9dmr204722401cf.12.1729033603675; Tue, 15 Oct 2024 16:06:43 -0700 (PDT) Received: from localhost.localdomain (ool-1826d901.dyn.optonline.net. [24.38.217.1]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4607b0e407esm11224641cf.27.2024.10.15.16.06.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 16:06:42 -0700 (PDT) From: Alex Lanzano To: u.kleine-koenig@baylibre.com, Alex Lanzano , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Javier Martinez Canillas , David Lechner , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Dmitry Baryshkov , Mehdi Djait Cc: linux-kernel-mentees@lists.linuxfoundation.org, skhan@linuxfoundation.org, Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH v11 1/2] dt-bindings: display: Add Sharp Memory LCD bindings Date: Tue, 15 Oct 2024 19:05:43 -0400 Message-ID: <20241015230617.3020230-2-lanzano.alex@gmail.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015230617.3020230-1-lanzano.alex@gmail.com> References: <20241015230617.3020230-1-lanzano.alex@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add device tree bindings for the monochrome Sharp Memory LCD Co-developed-by: Mehdi Djait Signed-off-by: Mehdi Djait Signed-off-by: Alex Lanzano Reviewed-by: Krzysztof Kozlowski --- .../bindings/display/sharp,ls010b7dh04.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sharp,ls010b7= dh04.yaml diff --git a/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.ya= ml b/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml new file mode 100644 index 000000000000..8097f091c2a5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sharp,ls010b7dh04.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sharp,ls010b7dh04.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sharp Memory LCD panels + +maintainers: + - Alex Lanzano + +description: + Sharp Memory LCDs are a series of monochrome displays that operate over + a SPI bus. The displays require a signal (VCOM) to be generated to preve= nt + DC bias build up resulting in pixels being unable to change. Three modes + can be used to provide the VCOM signal ("software", "external", "pwm"). + +properties: + compatible: + enum: + - sharp,ls010b7dh04 + - sharp,ls011b7dh03 + - sharp,ls012b7dd01 + - sharp,ls013b7dh03 + - sharp,ls013b7dh05 + - sharp,ls018b7dh02 + - sharp,ls027b7dh01 + - sharp,ls027b7dh01a + - sharp,ls032b7dd02 + - sharp,ls044q7dh01 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + + sharp,vcom-mode: + $ref: /schemas/types.yaml#/definitions/string + description: | + software - This mode relies on a software operation to send a + "maintain display" message to the display, toggling the vcom + bit on and off with each message + + external - This mode relies on an external clock to generate + the signal on the EXTCOMM pin + + pwm - This mode relies on a pwm device to generate the signal + on the EXTCOMM pin + + enum: [software, external, pwm] + + enable-gpios: true + + pwms: + maxItems: 1 + description: External VCOM signal + +required: + - compatible + - reg + - sharp,vcom-mode + +allOf: + - $ref: panel/panel-common.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + + - if: + properties: + sharp,vcom-mode: + const: pwm + then: + required: + - pwms + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + display@0 { + compatible =3D "sharp,ls013b7dh03"; + reg =3D <0>; + spi-cs-high; + spi-max-frequency =3D <1000000>; + sharp,vcom-mode =3D "software"; + }; + }; +... --=20 2.47.0