From: Eric Anholt <eric@anholt.net> To: dri-devel@lists.freedesktop.org, Archit Taneja <architt@codeaurora.org>, Andrzej Hajda <a.hajda@samsung.com>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Thierry Reding <thierry.reding@gmail.com> Cc: linux-kernel@vger.kernel.org, Eric Anholt <eric@anholt.net> Subject: [PATCH v6 4/5] dt-bindings: Document the Raspberry Pi Touchscreen nodes. Date: Tue, 15 Aug 2017 16:47:21 -0700 [thread overview] Message-ID: <20170815234722.20700-4-eric@anholt.net> (raw) In-Reply-To: <20170815234722.20700-1-eric@anholt.net> This doesn't yet cover input, but the driver does get the display working when the firmware is disabled from talking to our I2C lines. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Rob Herring <robh@kernel.org> --- .../panel/raspberrypi,7inch-touchscreen.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt diff --git a/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt new file mode 100644 index 000000000000..e9e19c059260 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt @@ -0,0 +1,49 @@ +This binding covers the official 7" (800x480) Raspberry Pi touchscreen +panel. + +This DSI panel contains: + +- TC358762 DSI->DPI bridge +- Atmel microcontroller on I2C for power sequencing the DSI bridge and + controlling backlight +- Touchscreen controller on I2C for touch input + +and this binding covers the DSI display parts but not its touch input. + +Required properties: +- compatible: Must be "raspberrypi,7inch-touchscreen-panel" +- reg: Must be "45" +- port: See panel-common.txt + +Example: + +dsi1: dsi@7e700000 { + #address-cells = <1>; + #size-cells = <0>; + <...> + + port { + dsi_out_port: endpoint { + remote-endpoint = <&panel_dsi_port>; + }; + }; +}; + +i2c_dsi: i2c { + compatible = "i2c-gpio"; + #address-cells = <1>; + #size-cells = <0>; + gpios = <&gpio 28 0 + &gpio 29 0>; + + lcd@45 { + compatible = "raspberrypi,7inch-touchscreen-panel"; + reg = <0x45>; + + port { + panel_dsi_port: endpoint { + remote-endpoint = <&dsi_out_port>; + }; + }; + }; +}; -- 2.14.1
WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric@anholt.net> To: dri-devel@lists.freedesktop.org, Archit Taneja <architt@codeaurora.org>, Andrzej Hajda <a.hajda@samsung.com>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Thierry Reding <thierry.reding@gmail.com> Cc: linux-kernel@vger.kernel.org Subject: [PATCH v6 4/5] dt-bindings: Document the Raspberry Pi Touchscreen nodes. Date: Tue, 15 Aug 2017 16:47:21 -0700 [thread overview] Message-ID: <20170815234722.20700-4-eric@anholt.net> (raw) In-Reply-To: <20170815234722.20700-1-eric@anholt.net> This doesn't yet cover input, but the driver does get the display working when the firmware is disabled from talking to our I2C lines. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Rob Herring <robh@kernel.org> --- .../panel/raspberrypi,7inch-touchscreen.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt diff --git a/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt new file mode 100644 index 000000000000..e9e19c059260 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt @@ -0,0 +1,49 @@ +This binding covers the official 7" (800x480) Raspberry Pi touchscreen +panel. + +This DSI panel contains: + +- TC358762 DSI->DPI bridge +- Atmel microcontroller on I2C for power sequencing the DSI bridge and + controlling backlight +- Touchscreen controller on I2C for touch input + +and this binding covers the DSI display parts but not its touch input. + +Required properties: +- compatible: Must be "raspberrypi,7inch-touchscreen-panel" +- reg: Must be "45" +- port: See panel-common.txt + +Example: + +dsi1: dsi@7e700000 { + #address-cells = <1>; + #size-cells = <0>; + <...> + + port { + dsi_out_port: endpoint { + remote-endpoint = <&panel_dsi_port>; + }; + }; +}; + +i2c_dsi: i2c { + compatible = "i2c-gpio"; + #address-cells = <1>; + #size-cells = <0>; + gpios = <&gpio 28 0 + &gpio 29 0>; + + lcd@45 { + compatible = "raspberrypi,7inch-touchscreen-panel"; + reg = <0x45>; + + port { + panel_dsi_port: endpoint { + remote-endpoint = <&dsi_out_port>; + }; + }; + }; +}; -- 2.14.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2017-08-15 23:53 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-08-15 23:47 [PATCH v6 1/5] drm/vc4: Move the DSI clock divider workaround closer to the clock call Eric Anholt 2017-08-15 23:47 ` Eric Anholt 2017-08-15 23:47 ` [PATCH v6 2/5] drm/vc4: Avoid using vrefresh==0 mode in DSI htotal math Eric Anholt 2017-08-15 23:47 ` Eric Anholt 2017-08-16 6:49 ` Andrzej Hajda 2017-08-16 6:49 ` Andrzej Hajda 2017-10-11 11:59 ` Boris Brezillon 2017-10-11 11:59 ` Boris Brezillon 2017-08-15 23:47 ` [PATCH v6 3/5] drm/vc4: Set up the DSI host at pdev probe time, not component bind Eric Anholt 2017-08-17 3:42 ` Archit Taneja 2017-10-11 12:01 ` Boris Brezillon 2017-10-11 12:01 ` Boris Brezillon 2017-08-15 23:47 ` Eric Anholt [this message] 2017-08-15 23:47 ` [PATCH v6 4/5] dt-bindings: Document the Raspberry Pi Touchscreen nodes Eric Anholt 2017-08-15 23:47 ` [PATCH v6 5/5] drm/panel: Add support for the Raspberry Pi 7" Touchscreen Eric Anholt 2017-08-15 23:47 ` Eric Anholt 2017-10-11 11:54 ` [PATCH v6 1/5] drm/vc4: Move the DSI clock divider workaround closer to the clock call Boris Brezillon 2017-10-11 11:54 ` Boris Brezillon
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