Document RZ/G2L SDHI controller bindings.
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/mmc/renesas,sdhi.yaml | 97 ++++++++++++-------
1 file changed, 62 insertions(+), 35 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
index 677989bc5924..ed05e49d61af 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
+++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
@@ -9,9 +9,6 @@ title: Renesas SDHI SD/MMC controller
maintainers:
- Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
-allOf:
- - $ref: "mmc-controller.yaml"
-
properties:
compatible:
oneOf:
@@ -47,19 +44,20 @@ properties:
- const: renesas,sdhi-mmc-r8a77470 # RZ/G1C (SDHI/MMC IP)
- items:
- enum:
- - renesas,sdhi-r8a774a1 # RZ/G2M
- - renesas,sdhi-r8a774b1 # RZ/G2N
- - renesas,sdhi-r8a774c0 # RZ/G2E
- - renesas,sdhi-r8a774e1 # RZ/G2H
- - renesas,sdhi-r8a7795 # R-Car H3
- - renesas,sdhi-r8a7796 # R-Car M3-W
- - renesas,sdhi-r8a77961 # R-Car M3-W+
- - renesas,sdhi-r8a77965 # R-Car M3-N
- - renesas,sdhi-r8a77970 # R-Car V3M
- - renesas,sdhi-r8a77980 # R-Car V3H
- - renesas,sdhi-r8a77990 # R-Car E3
- - renesas,sdhi-r8a77995 # R-Car D3
- - renesas,sdhi-r8a779a0 # R-Car V3U
+ - renesas,sdhi-r8a774a1 # RZ/G2M
+ - renesas,sdhi-r8a774b1 # RZ/G2N
+ - renesas,sdhi-r8a774c0 # RZ/G2E
+ - renesas,sdhi-r8a774e1 # RZ/G2H
+ - renesas,sdhi-r8a7795 # R-Car H3
+ - renesas,sdhi-r8a7796 # R-Car M3-W
+ - renesas,sdhi-r8a77961 # R-Car M3-W+
+ - renesas,sdhi-r8a77965 # R-Car M3-N
+ - renesas,sdhi-r8a77970 # R-Car V3M
+ - renesas,sdhi-r8a77980 # R-Car V3H
+ - renesas,sdhi-r8a77990 # R-Car E3
+ - renesas,sdhi-r8a77995 # R-Car D3
+ - renesas,sdhi-r8a779a0 # R-Car V3U
+ - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
- const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
reg:
@@ -71,13 +69,11 @@ properties:
clocks:
minItems: 1
- maxItems: 2
+ maxItems: 4
clock-names:
minItems: 1
- items:
- - const: core
- - const: cd
+ maxItems: 4
dmas:
minItems: 4
@@ -112,6 +108,52 @@ properties:
max-frequency: true
+allOf:
+ - $ref: "mmc-controller.yaml"
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,sdhi-r7s72100
+ - renesas,sdhi-r7s9210
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: core
+ - const: cd
+ required:
+ - clock-names
+ description:
+ The internal card detection logic that exists in these controllers is
+ sectioned off to be run by a separate second clock source to allow
+ the main core clock to be turned off to save power.
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,sdhi-r9a07g044
+ then:
+ properties:
+ clocks:
+ items:
+ - description: IMCLK, SDHI channel main clock1.
+ - description: IMCLK2, SDHI channel main clock2. When this clock is
+ turned off, external SD card detection cannot be
+ detected.
+ - description: CLK_HS, SDHI channel High speed clock which operates
+ 4 times that of SDHI channel main clock1.
+ - description: ACLK, SDHI channel bus clock.
+ required:
+ - resets
+ else:
+ properties:
+ clocks:
+ maxItems: 1
+
required:
- compatible
- reg
@@ -119,21 +161,6 @@ required:
- clocks
- power-domains
-if:
- properties:
- compatible:
- contains:
- enum:
- - renesas,sdhi-r7s72100
- - renesas,sdhi-r7s9210
-then:
- required:
- - clock-names
- description:
- The internal card detection logic that exists in these controllers is
- sectioned off to be run by a separate second clock source to allow
- the main core clock to be turned off to save power.
-
unevaluatedProperties: false
examples:
--
2.17.1
