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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/device-tree-bindings/video/exynos_mipi_dsi.txt | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/video/exynos_mipi_dsi.txt b/doc/device-tree-bindings/video/exynos_mipi_dsi.txt new file mode 100644 index 0000000..4938ea0 --- /dev/null +++ b/doc/device-tree-bindings/video/exynos_mipi_dsi.txt @@ -0,0 +1,82 @@ +Exynos MIPI-DSIM Controller +========================= + +Required properties: +SOC specific: + compatible: should be "samsung,exynos-mipi-dsi" + reg: Base address of MIPI-DSIM IP. + +Board specific: + samsung,dsim-config-e-interface: interface to be used (RGB interface + for main display or CPU interface for main or sub display). + samsung,dsim-config-e-virtual-ch: virtual channel number that main + or sub display uses. + samsung,dsim-config-e-pixel-format: pixel stream format for main + or sub display. + samsung,dsim-config-e-burst-mode: selects Burst mode in Video mode. + in Non-burst mode, RGB data area is filled with RGB data and + NULL packets, according to input bandwidth of RGB interface. + samsung,dsim-config-e-no-data-lane: data lane count used by Master. + samsung,dsim-config-e-byte-clk: select byte clock source. + It must be DSIM_PLL_OUT_DIV8. + DSIM_EXT_CLK_DIV8 and DSIM_EXT_CLK_BYPASSS are not supported. + samsung,dsim-config-hfp: HFP disable mode. + If set, DSI master ignores HFP area in VIDEO mode. + In command mode, this variable is ignored. + samsung,dsim-config-p: P value for PMS setting. + samsung,dsim-config-m: M value for PMS setting. + samsung,dsim-config-s: S value for PMS setting. + samsung,dsim-config-pll-stable-time: the PLL Timer for stability + of the ganerated clock. + samsung,dsim-config-esc-clk: escape clock frequency for getting + the escape clock prescaler value. + samsung,dsim-config-stop-holding-cnt: the interval value between + transmitting read packet (or write "set_tear_on" command) + and BTA request. After transmitting read packet or write + "set_tear_on" command, BTA requests to D-PHY automatically. + This counter value specifies the interval between them. + samsung,dsim-config-bta-timeout: the timer for BTA. This register + specifies time out from BTA request to change the direction + with respect to Tx escape clock. + samsung,dsim-config-rx-timeout: the timer for LP Rx mode timeout. + this register specifies time out on how long RxValid deasserts, + after RxLpdt asserts with respect to Tx escape clock. + - RxValid specifies Rx data valid indicator. + - RxLpdt specifies an indicator that D-PHY is under RxLpdt mode + - RxValid and RxLpdt specifies signal from D-PHY. + samsung,dsim-device-name: name of the device. + samsung,dsim-device-id: unique device id. + samsung,dsim-device-bus_id: bus id for identifing connected bus + and this bus id should be same as id of mipi_dsim_device. + +Optional properties: + samsung,dsim-device-reverse-panel: reverse panel. + +Example: + mipidsi@11c80000 { + compatible = "samsung,exynos-mipi-dsi"; + reg = <0x11c80000 0x5c>; + + samsung,dsim-config-e-interface = <1>; + samsung,dsim-config-e-virtual-ch = <0>; + samsung,dsim-config-e-pixel-format = <7>; + samsung,dsim-config-e-burst-mode = <1>; + samsung,dsim-config-e-no-data-lane = <3>; + samsung,dsim-config-e-byte-clk = <0>; + samsung,dsim-config-hfp = <1>; + + samsung,dsim-config-p = <3>; + samsung,dsim-config-m = <120>; + samsung,dsim-config-s = <1>; + + samsung,dsim-config-pll-stable-time = <500>; + samsung,dsim-config-esc-clk = <20000000>; + samsung,dsim-config-stop-holding-cnt = <0x7ff>; + samsung,dsim-config-bta-timeout = <0xff>; + samsung,dsim-config-rx-timeout = <0xffff>; + + samsung,dsim-device-id = <0xffffffff>; + samsung,dsim-device-bus-id = <0>; + + samsung,dsim-device-reverse-panel = <1>; + }; |