From 7c82e064ea7b64b986104260c300b370feef403a Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 25 Jan 2014 18:14:37 +0100 Subject: drm/i2c: tda998x: add DT documentation Acked-by: Russell King Signed-off-by: Jean-Francois Moine Signed-off-by: Russell King --- .../devicetree/bindings/drm/i2c/tda998x.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/i2c/tda998x.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/drm/i2c/tda998x.txt b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt new file mode 100644 index 000000000000..d7df01c5bb3a --- /dev/null +++ b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt @@ -0,0 +1,27 @@ +Device-Tree bindings for the NXP TDA998x HDMI transmitter + +Required properties; + - compatible: must be "nxp,tda998x" + +Optional properties: + - interrupts: interrupt number and trigger type + default: polling + + - pinctrl-0: pin control group to be used for + screen plug/unplug interrupt. + + - pinctrl-names: must contain a "default" entry. + + - video-ports: 24 bits value which defines how the video controller + output is wired to the TDA998x input - default: <0x230145> + +Example: + + tda998x: hdmi-encoder { + compatible = "nxp,tda998x"; + reg = <0x70>; + interrupt-parent = <&gpio0>; + interrupts = <27 2>; /* falling edge */ + pinctrl-0 = <&pmx_camera>; + pinctrl-names = "default"; + }; -- cgit v1.2.3 From 2b7681326dc2c6669302b086400bd64af2ff8a4f Mon Sep 17 00:00:00 2001 From: Daniel Kurtz Date: Mon, 24 Feb 2014 18:52:51 +0900 Subject: drm/exynos: hdmi: remove the i2c drivers and use The i2c client was previously being passed into the hdmi driver via a dedicated i2c driver, and then a global variable. This patch removes all of that and just uses the device tree to get the i2c_client. This patch also properly references the client so we don't lose it before we're done with it. Signed-off-by: Daniel Kurtz [seanpaul changed to phandle lookup instead of using of node name] Signed-off-by: Sean Paul Signed-off-by: Inki Dae --- Documentation/devicetree/bindings/video/exynos_hdmi.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt index 50decf8e1b90..f9187a259259 100644 --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt @@ -25,6 +25,9 @@ Required properties: sclk_pixel. - clock-names: aliases as per driver requirements for above clock IDs: "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi". +- ddc: phandle to the hdmi ddc node +- phy: phandle to the hdmi phy node + Example: hdmi { @@ -32,4 +35,6 @@ Example: reg = <0x14530000 0x100000>; interrupts = <0 95 0>; hpd-gpio = <&gpx3 7 1>; + ddc = <&hdmi_ddc_node>; + phy = <&hdmi_phy_node>; }; -- cgit v1.2.3 From 1417f109a82f8a57b46e6789ccf66241bfddf411 Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Thu, 30 Jan 2014 16:19:23 -0500 Subject: drm/exynos: Move display implementation into dp This patch moves the exynos_drm_display implementation from fimd into the dp driver. This will allow for tighter integration of the dp driver into the exynos drm driver. Signed-off-by: Sean Paul Signed-off-by: Inki Dae --- Documentation/devicetree/bindings/video/exynos_dp.txt | 17 +++++++++++++++++ .../devicetree/bindings/video/samsung-fimd.txt | 2 ++ 2 files changed, 19 insertions(+) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt index 3289d76a21d0..57ccdde02c3a 100644 --- a/Documentation/devicetree/bindings/video/exynos_dp.txt +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt @@ -49,6 +49,8 @@ Required properties for dp-controller: -samsung,lane-count: number of lanes supported by the panel. LANE_COUNT1 = 1, LANE_COUNT2 = 2, LANE_COUNT4 = 4 + - display-timings: timings for the connected panel as described by + Documentation/devicetree/bindings/video/display-timing.txt Optional properties for dp-controller: -interlaced: @@ -84,4 +86,19 @@ Board Specific portion: samsung,color-depth = <1>; samsung,link-rate = <0x0a>; samsung,lane-count = <4>; + + display-timings { + native-mode = <&lcd_timing>; + lcd_timing: 1366x768 { + clock-frequency = <70589280>; + hactive = <1366>; + vactive = <768>; + hfront-porch = <40>; + hback-porch = <40>; + hsync-len = <32>; + vback-porch = <10>; + vfront-porch = <12>; + vsync-len = <6>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt index 778838a0336a..36b7895f913d 100644 --- a/Documentation/devicetree/bindings/video/samsung-fimd.txt +++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt @@ -39,6 +39,8 @@ Required properties: Optional Properties: - samsung,power-domain: a phandle to FIMD power domain node. +- samsung,invert-vden: video enable signal is inverted +- samsung,invert-vclk: video clock signal is inverted Example: -- cgit v1.2.3 From a9fe713d7d45c639604420b56c59ca5fd479731b Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Mon, 24 Feb 2014 19:31:24 +0900 Subject: drm/bridge: Add PTN3460 bridge driver This patch adds a drm_bridge driver for the PTN3460 DisplayPort to LVDS bridge chip. Signed-off-by: Sean Paul Signed-off-by: Inki Dae --- .../devicetree/bindings/drm/bridge/ptn3460.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/bridge/ptn3460.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt b/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt new file mode 100644 index 000000000000..52b93b2c6748 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt @@ -0,0 +1,27 @@ +ptn3460 bridge bindings + +Required properties: + - compatible: "nxp,ptn3460" + - reg: i2c address of the bridge + - powerdown-gpio: OF device-tree gpio specification + - reset-gpio: OF device-tree gpio specification + - edid-emulation: The EDID emulation entry to use + +-------+------------+------------------+ + | Value | Resolution | Description | + | 0 | 1024x768 | NXP Generic | + | 1 | 1920x1080 | NXP Generic | + | 2 | 1920x1080 | NXP Generic | + | 3 | 1600x900 | Samsung LTM200KT | + | 4 | 1920x1080 | Samsung LTM230HT | + | 5 | 1366x768 | NXP Generic | + | 6 | 1600x900 | ChiMei M215HGE | + +-------+------------+------------------+ + +Example: + lvds-bridge@20 { + compatible = "nxp,ptn3460"; + reg = <0x20>; + powerdown-gpio = <&gpy2 5 1 0 0>; + reset-gpio = <&gpx1 5 1 0 0>; + edid-emulation = <5>; + }; -- cgit v1.2.3 From 0e017a5b7ef1bb9efc2eb0f0bab2cb738cb3bab8 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Mon, 17 Mar 2014 11:27:20 +0100 Subject: exynos/fimd: add parallel output related bindings The patch adds bindings required to add support for parallel output. Signed-off-by: Andrzej Hajda Reviewed-by: Tomasz Figa Signed-off-by: Inki Dae --- Documentation/devicetree/bindings/video/samsung-fimd.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt index 36b7895f913d..2dad41b689af 100644 --- a/Documentation/devicetree/bindings/video/samsung-fimd.txt +++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt @@ -41,6 +41,21 @@ Optional Properties: - samsung,power-domain: a phandle to FIMD power domain node. - samsung,invert-vden: video enable signal is inverted - samsung,invert-vclk: video clock signal is inverted +- display-timings: timing settings for FIMD, as described in document [1]. + Can be used in case timings cannot be provided otherwise + or to override timings provided by the panel. + +The device node can contain 'port' child nodes according to the bindings defined +in [2]. The following are properties specific to those nodes: +- reg: (required) port index, can be: + 0 - for CAMIF0 input, + 1 - for CAMIF1 input, + 2 - for CAMIF2 input, + 3 - for parallel output, + 4 - for write-back interface + +[1]: Documentation/devicetree/bindings/video/display-timing.txt +[2]: Documentation/devicetree/bindings/media/video-interfaces.txt Example: -- cgit v1.2.3 From ec7c565383ee7fd4847705b8aafefb8e589aea93 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 15 Nov 2013 15:59:32 +0100 Subject: drm/panel: Add LG 12.9" LCD panel The LP129QE LCD has an LED backlight and a display resolution of 2560x1700 pixels. Signed-off-by: Thierry Reding --- Documentation/devicetree/bindings/panel/lg,lp129qe.txt | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/lg,lp129qe.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/panel/lg,lp129qe.txt b/Documentation/devicetree/bindings/panel/lg,lp129qe.txt new file mode 100644 index 000000000000..9f262e0c5a2e --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,lp129qe.txt @@ -0,0 +1,7 @@ +LG 12.9" (2560x1700 pixels) TFT LCD panel + +Required properties: +- compatible: should be "lg,lp129qe" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. -- cgit v1.2.3 From 499ce85af98a93a1cedad78dd80cb3432631b1ee Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Tue, 21 Jan 2014 18:57:09 +0900 Subject: drm/panel: add support for LG LH500WX1-SD03 panel This panel is used by the NVIDIA SHIELD and supported by the simple-panel driver. Signed-off-by: Alexandre Courbot Signed-off-by: Thierry Reding --- Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt b/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt new file mode 100644 index 000000000000..a04fd2b2e73d --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,lh500wx1-sd03.txt @@ -0,0 +1,7 @@ +LG Corporation 5" HD TFT LCD panel + +Required properties: +- compatible: should be "lg,lh500wx1-sd03" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. -- cgit v1.2.3 From 712ac1ba63448d38e2fc3f2b58e62ca4af9778c2 Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Tue, 21 Jan 2014 18:57:10 +0900 Subject: drm/panel: add support for LG LD070WX3-SL01 panel This panel is used by Tegra Note 7 and supported by the simple-panel driver. Signed-off-by: Alexandre Courbot Signed-off-by: Thierry Reding --- Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt b/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt new file mode 100644 index 000000000000..5e649cb9aa1a --- /dev/null +++ b/Documentation/devicetree/bindings/panel/lg,ld070wx3-sl01.txt @@ -0,0 +1,7 @@ +LG Corporation 7" WXGA TFT LCD panel + +Required properties: +- compatible: should be "lg,ld070wx3-sl01" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. -- cgit v1.2.3 From 6b6b604215c64666fbf0fed939a5c312cc7b12fe Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 15 Nov 2013 16:06:05 +0100 Subject: drm/tegra: Add eDP support Add support for eDP functionality found on Tegra124 and later SoCs. Only fast link training is currently supported. Signed-off-by: Thierry Reding --- .../bindings/gpu/nvidia,tegra20-host1x.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt index efaeec8961b6..efa8b8451f93 100644 --- a/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt +++ b/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt @@ -190,6 +190,48 @@ of the following host1x client modules: - nvidia,edid: supplies a binary EDID blob - nvidia,panel: phandle of a display panel +- sor: serial output resource + + Required properties: + - compatible: "nvidia,tegra124-sor" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - sor: clock input for the SOR hardware + - parent: input for the pixel clock + - dp: reference clock for the SOR clock + - safe: safe reference for the SOR clock during power up + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - sor + + Optional properties: + - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection + - nvidia,edid: supplies a binary EDID blob + - nvidia,panel: phandle of a display panel + + Optional properties when driving an eDP output: + - nvidia,dpaux: phandle to a DispayPort AUX interface + +- dpaux: DisplayPort AUX interface + - compatible: "nvidia,tegra124-dpaux" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - dpaux: clock input for the DPAUX hardware + - parent: reference clock + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - dpaux + - vdd-supply: phandle of a supply that powers the DisplayPort link + Example: / { -- cgit v1.2.3 From 670935b6962139d972615415658c6b0ed4fbeac3 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Fri, 28 Mar 2014 12:52:39 +0100 Subject: exynos/dsim: add DT bindings The patch adds DT bindings for Exynos DSI Master. DSIM follows rules for DSI bus host bindings [1]. Properties describes its resources: memory, interrupt, clocks, phy, regulators, frequencies of clocks and video interfaces. [1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt Signed-off-by: Andrzej Hajda Signed-off-by: Inki Dae --- .../devicetree/bindings/video/exynos_dsim.txt | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/exynos_dsim.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/video/exynos_dsim.txt b/Documentation/devicetree/bindings/video/exynos_dsim.txt new file mode 100644 index 000000000000..33b5730d07ba --- /dev/null +++ b/Documentation/devicetree/bindings/video/exynos_dsim.txt @@ -0,0 +1,80 @@ +Exynos MIPI DSI Master + +Required properties: + - compatible: "samsung,exynos4210-mipi-dsi" + - reg: physical base address and length of the registers set for the device + - interrupts: should contain DSI interrupt + - clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names + - clock-names: should include "bus_clk"and "pll_clk" entries + - phys: list of phy specifiers, must contain an entry for each required + entry in phy-names + - phy-names: should include "dsim" entry + - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V) + - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) + - samsung,pll-clock-frequency: specifies frequency of the "pll_clk" clock + - #address-cells, #size-cells: should be set respectively to <1> and <0> + according to DSI host bindings (see MIPI DSI bindings [1]) + +Optional properties: + - samsung,power-domain: a phandle to DSIM power domain node + +Child nodes: + Should contain DSI peripheral nodes (see MIPI DSI bindings [1]). + +Video interfaces: + Device node can contain video interface port nodes according to [2]. + The following are properties specific to those nodes: + + port node: + - reg: (required) can be 0 for input RGB/I80 port or 1 for DSI port; + + endpoint node of DSI port (reg = 1): + - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst + mode + - samsung,esc-clock-frequency: specifies DSI frequency in escape mode + +[1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt +[2]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + + dsi@11C80000 { + compatible = "samsung,exynos4210-mipi-dsi"; + reg = <0x11C80000 0x10000>; + interrupts = <0 79 0>; + clocks = <&clock 286>, <&clock 143>; + clock-names = "bus_clk", "pll_clk"; + phys = <&mipi_phy 1>; + phy-names = "dsim"; + vddcore-supply = <&vusb_reg>; + vddio-supply = <&vmipi_reg>; + samsung,power-domain = <&pd_lcd0>; + #address-cells = <1>; + #size-cells = <0>; + samsung,pll-clock-frequency = <24000000>; + + panel@1 { + reg = <0>; + ... + port { + panel_ep: endpoint { + remote-endpoint = <&dsi_ep>; + }; + }; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + dsi_ep: endpoint { + reg = <0>; + samsung,burst-clock-frequency = <500000000>; + samsung,esc-clock-frequency = <20000000>; + remote-endpoint = <&panel_ep>; + }; + }; + }; + }; -- cgit v1.2.3 From 86f05ae826aa1f9424f8e80b822f119e7234641e Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Fri, 28 Mar 2014 12:52:41 +0100 Subject: panel/s6e8aa0: add DT bindings The patch adds bindings for s6e8aa0 panel. Bindings describes panel resources, boot delays, display timings, orientation and physical size. Signed-off-by: Andrzej Hajda Signed-off-by: Inki Dae --- .../devicetree/bindings/panel/samsung,s6e8aa0.txt | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/samsung,s6e8aa0.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/panel/samsung,s6e8aa0.txt b/Documentation/devicetree/bindings/panel/samsung,s6e8aa0.txt new file mode 100644 index 000000000000..e7ee988e3156 --- /dev/null +++ b/Documentation/devicetree/bindings/panel/samsung,s6e8aa0.txt @@ -0,0 +1,56 @@ +Samsung S6E8AA0 AMOLED LCD 5.3 inch panel + +Required properties: + - compatible: "samsung,s6e8aa0" + - reg: the virtual channel number of a DSI peripheral + - vdd3-supply: core voltage supply + - vci-supply: voltage supply for analog circuits + - reset-gpios: a GPIO spec for the reset pin + - display-timings: timings for the connected panel as described by [1] + +Optional properties: + - power-on-delay: delay after turning regulators on [ms] + - reset-delay: delay after reset sequence [ms] + - init-delay: delay after initialization sequence [ms] + - panel-width-mm: physical panel width [mm] + - panel-height-mm: physical panel height [mm] + - flip-horizontal: boolean to flip image horizontally + - flip-vertical: boolean to flip image vertically + +The device node can contain one 'port' child node with one child +'endpoint' node, according to the bindings defined in [2]. This +node should describe panel's video bus. + +[1]: Documentation/devicetree/bindings/video/display-timing.txt +[2]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + + panel { + compatible = "samsung,s6e8aa0"; + reg = <0>; + vdd3-supply = <&vcclcd_reg>; + vci-supply = <&vlcd_reg>; + reset-gpios = <&gpy4 5 0>; + power-on-delay= <50>; + reset-delay = <100>; + init-delay = <100>; + panel-width-mm = <58>; + panel-height-mm = <103>; + flip-horizontal; + flip-vertical; + + display-timings { + timing0: timing-0 { + clock-frequency = <57153600>; + hactive = <720>; + vactive = <1280>; + hfront-porch = <5>; + hback-porch = <5>; + hsync-len = <5>; + vfront-porch = <13>; + vback-porch = <1>; + vsync-len = <2>; + }; + }; + }; -- cgit v1.2.3 From 88072c39edff2f6e171995e77d1ebeee8e7017d9 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Tue, 25 Mar 2014 13:10:34 +0100 Subject: panel/ld9040: add DT bindings The patch adds bindings for ld9040 panel. Bindings describe panel resources, boot delays, display timings and physical size. Signed-off-by: Andrzej Hajda Signed-off-by: Inki Dae --- .../devicetree/bindings/panel/samsung,ld9040.txt | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/panel/samsung,ld9040.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/panel/samsung,ld9040.txt b/Documentation/devicetree/bindings/panel/samsung,ld9040.txt new file mode 100644 index 000000000000..07c36c3f7b52 --- /dev/null +++ b/Documentation/devicetree/bindings/panel/samsung,ld9040.txt @@ -0,0 +1,66 @@ +Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus + +Required properties: + - compatible: "samsung,ld9040" + - reg: address of the panel on SPI bus + - vdd3-supply: core voltage supply + - vci-supply: voltage supply for analog circuits + - reset-gpios: a GPIO spec for the reset pin + - display-timings: timings for the connected panel according to [1] + +The panel must obey rules for SPI slave device specified in document [2]. + +Optional properties: + - power-on-delay: delay after turning regulators on [ms] + - reset-delay: delay after reset sequence [ms] + - panel-width-mm: physical panel width [mm] + - panel-height-mm: physical panel height [mm] + +The device node can contain one 'port' child node with one child +'endpoint' node, according to the bindings defined in [3]. This +node should describe panel's video bus. + +[1]: Documentation/devicetree/bindings/video/display-timing.txt +[2]: Documentation/devicetree/bindings/spi/spi-bus.txt +[3]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + + lcd@0 { + compatible = "samsung,ld9040"; + reg = <0>; + vdd3-supply = <&ldo7_reg>; + vci-supply = <&ldo17_reg>; + reset-gpios = <&gpy4 5 0>; + spi-max-frequency = <1200000>; + spi-cpol; + spi-cpha; + power-on-delay = <10>; + reset-delay = <10>; + panel-width-mm = <90>; + panel-height-mm = <154>; + + display-timings { + timing { + clock-frequency = <23492370>; + hactive = <480>; + vactive = <800>; + hback-porch = <16>; + hfront-porch = <16>; + vback-porch = <2>; + vfront-porch = <28>; + hsync-len = <2>; + vsync-len = <1>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <0>; + pixelclk-active = <0>; + }; + }; + + port { + lcd_ep: endpoint { + remote-endpoint = <&fimd_dpi_ep>; + }; + }; + }; -- cgit v1.2.3