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-rw-r--r--Documentation/devicetree/bindings/display/renesas,du.txt31
1 files changed, 11 insertions, 20 deletions
diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index cd48aba3bc8c..e79cf9b0ad38 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -14,12 +14,7 @@ Required Properties:
14 - "renesas,du-r8a7795" for R8A7795 (R-Car H3) compatible DU 14 - "renesas,du-r8a7795" for R8A7795 (R-Car H3) compatible DU
15 - "renesas,du-r8a7796" for R8A7796 (R-Car M3-W) compatible DU 15 - "renesas,du-r8a7796" for R8A7796 (R-Car M3-W) compatible DU
16 16
17 - reg: A list of base address and length of each memory resource, one for 17 - reg: the memory-mapped I/O registers base address and length
18 each entry in the reg-names property.
19 - reg-names: Name of the memory resources. The DU requires one memory
20 resource for the DU core (named "du") and one memory resource for each
21 LVDS encoder (named "lvds.x" with "x" being the LVDS controller numerical
22 index).
23 18
24 - interrupt-parent: phandle of the parent interrupt controller. 19 - interrupt-parent: phandle of the parent interrupt controller.
25 - interrupts: Interrupt specifiers for the DU interrupts. 20 - interrupts: Interrupt specifiers for the DU interrupts.
@@ -29,14 +24,13 @@ Required Properties:
29 - clock-names: Name of the clocks. This property is model-dependent. 24 - clock-names: Name of the clocks. This property is model-dependent.
30 - R8A7779 uses a single functional clock. The clock doesn't need to be 25 - R8A7779 uses a single functional clock. The clock doesn't need to be
31 named. 26 named.
32 - All other DU instances use one functional clock per channel and one 27 - All other DU instances use one functional clock per channel The
33 clock per LVDS encoder (if available). The functional clocks must be 28 functional clocks must be named "du.x" with "x" being the channel
34 named "du.x" with "x" being the channel numerical index. The LVDS clocks 29 numerical index.
35 must be named "lvds.x" with "x" being the LVDS encoder numerical index. 30 - In addition to the functional clocks, all DU versions also support
36 - In addition to the functional and encoder clocks, all DU versions also 31 externally supplied pixel clocks. Those clocks are optional. When
37 support externally supplied pixel clocks. Those clocks are optional. 32 supplied they must be named "dclkin.x" with "x" being the input clock
38 When supplied they must be named "dclkin.x" with "x" being the input 33 numerical index.
39 clock numerical index.
40 34
41 - vsps: A list of phandle and channel index tuples to the VSPs that handle 35 - vsps: A list of phandle and channel index tuples to the VSPs that handle
42 the memory interfaces for the DU channels. The phandle identifies the VSP 36 the memory interfaces for the DU channels. The phandle identifies the VSP
@@ -69,9 +63,7 @@ Example: R8A7795 (R-Car H3) ES2.0 DU
69 63
70 du: display@feb00000 { 64 du: display@feb00000 {
71 compatible = "renesas,du-r8a7795"; 65 compatible = "renesas,du-r8a7795";
72 reg = <0 0xfeb00000 0 0x80000>, 66 reg = <0 0xfeb00000 0 0x80000>;
73 <0 0xfeb90000 0 0x14>;
74 reg-names = "du", "lvds.0";
75 interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>, 67 interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
76 <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>, 68 <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
77 <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>, 69 <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>,
@@ -79,9 +71,8 @@ Example: R8A7795 (R-Car H3) ES2.0 DU
79 clocks = <&cpg CPG_MOD 724>, 71 clocks = <&cpg CPG_MOD 724>,
80 <&cpg CPG_MOD 723>, 72 <&cpg CPG_MOD 723>,
81 <&cpg CPG_MOD 722>, 73 <&cpg CPG_MOD 722>,
82 <&cpg CPG_MOD 721>, 74 <&cpg CPG_MOD 721>;
83 <&cpg CPG_MOD 727>; 75 clock-names = "du.0", "du.1", "du.2", "du.3";
84 clock-names = "du.0", "du.1", "du.2", "du.3", "lvds.0";
85 vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>; 76 vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>;
86 77
87 ports { 78 ports {