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Commit a9fe713d authored by Sean Paul's avatar Sean Paul Committed by Inki Dae
Browse files

drm/bridge: Add PTN3460 bridge driver 



This patch adds a drm_bridge driver for the PTN3460 DisplayPort to LVDS
bridge chip.

Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent ce6cb556

Documentation/devicetree/bindings/drm/bridge/ptn3460.txt

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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>;

	};

drivers/gpu/drm/Kconfig

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@@ -199,3 +199,5 @@ source "drivers/gpu/drm/msm/Kconfig" 
source "drivers/gpu/drm/tegra/Kconfig"



source "drivers/gpu/drm/panel/Kconfig"



source "drivers/gpu/drm/bridge/Kconfig"

drivers/gpu/drm/Makefile

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@@ -63,3 +63,4 @@ obj-$(CONFIG_DRM_MSM) += msm/ 
obj-$(CONFIG_DRM_TEGRA) += tegra/

obj-y			+= i2c/

obj-y			+= panel/

obj-y			+= bridge/

drivers/gpu/drm/bridge/Kconfig

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config DRM_PTN3460

	tristate "PTN3460 DP/LVDS bridge"

	depends on DRM && I2C

	---help---

drivers/gpu/drm/bridge/Makefile

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ccflags-y := -Iinclude/drm



obj-$(CONFIG_DRM_PTN3460) += ptn3460.o