diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/display/imx/ldb.txt | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/display/imx/ldb.txt b/Documentation/devicetree/bindings/display/imx/ldb.txt index 9aeec6902928..4d51efe81461 100644 --- a/Documentation/devicetree/bindings/display/imx/ldb.txt +++ b/Documentation/devicetree/bindings/display/imx/ldb.txt @@ -38,6 +38,11 @@ Required properties: The following clocks are expected on i.MX8qm: "pixel" - pixel clock "bypass" - bypass clock + The following clocks are expected on i.MX8qxp: + "pixel" - pixel clock + "bypass" - bypass clock + "aux_pixel" - pixel clock of the auxiliary LDB + "aux_bypass" - bypass clock of the auxiliary LDB The needed clock numbers for each are documented in Documentation/devicetree/bindings/clock/imx5-clock.txt, and in Documentation/devicetree/bindings/clock/imx6q-clock.txt. @@ -51,8 +56,11 @@ Optional properties: not used on i.MX6q, i.MX8qm and i.MX8qxp - fsl,dual-channel : boolean. if it exists, only LVDS channel 0 should be configured - one input will be distributed on both outputs in dual - channel mode - Currently, i.MX8qxp doesn't support dual channel mode. + channel mode(i.MX8qxp uses two LDBs to support this). Note that when + i.MX8qxp LDB works in dual channel mode, only the primary LDB node + should be active and the auxiliary LDB node should be disabled. + - aux-gpr : the phandle points to the auxiliary LVDS region containing + the LVDS control register(only required by i.MX8qxp) LVDS Channel ============ @@ -75,9 +83,11 @@ Required properties: and i.MX8qxp) must be connected to a panel input port or a bridge input port. Optionally, the output port can be left out if display-timings are used instead. - - phys: the phandle for the LVDS PHY device. Valid only on i.MX8qm and - i.MX8qxp. - - phy-names: should be "ldb_phy". Valid only on i.MX8qm and i.MX8qxp. + - phys: the phandle for the LVDS PHY devices. Valid only on i.MX8qm and + i.MX8qxp. For i.MX8qxp, two PHYs should be provided for LVDS + channel0, one for primary LDB and the other for auxiliary LDB. + - phy-names: should be "ldb_phy" for i.MX8qm, and "ldb_phy", "aux_ldb_phy" + for i.MX8qxp. Valid only on i.MX8qm and i.MX8qxp. Optional properties (required if display-timings are used): - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing |