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authorEddie James <[email protected]>2024-05-22 14:25:13 -0500
committerRob Herring (Arm) <[email protected]>2024-07-09 07:40:17 -0600
commit7a609bc30cc572e028c2d991c969e55b1e6d6601 (patch)
tree32625d7066fdeb744b0834e2b77dd89d1c310d9c
parent7767cd04ca7c2f0760570b413a04a0e1373ebb0e (diff)
dt-bindings: fsi: Document the AST2700 FSI controller
Add the appropriate compatible string, and document the new reg properties of the AST2700 FSI controller, which can directly access the FSI controller registers as well as the FSI link address space. Signed-off-by: Eddie James <[email protected]> Acked-by: Krzysztof Kozlowski <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Rob Herring (Arm) <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml47
1 files changed, 44 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml b/Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml
index 2f531c47994b..dfcc2fafa68d 100644
--- a/Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml
+++ b/Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml
@@ -17,9 +17,7 @@ properties:
compatible:
enum:
- aspeed,ast2600-fsi-master
-
- reg:
- maxItems: 1
+ - aspeed,ast2700-fsi-master
clocks:
maxItems: 1
@@ -42,6 +40,30 @@ properties:
interrupts:
maxItems: 1
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - aspeed,ast2600-fsi-master
+then:
+ properties:
+ reg:
+ maxItems: 1
+else:
+ properties:
+ reg:
+ minItems: 1
+ items:
+ - description: OPB control registers
+ - description: FSI controller registers
+ - description: FSI link address space
+ reg-names:
+ items:
+ - const: opb
+ - const: ctrl
+ - const: fsi
+
required:
- compatible
- reg
@@ -78,3 +100,22 @@ examples:
chip-id = <0>;
};
};
+ - |
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ fsi-master@21800000 {
+ compatible = "aspeed,ast2700-fsi-master";
+ reg = <0x0 0x21800000 0x0 0x100>,
+ <0x0 0x21000000 0x0 0x1000>,
+ <0x0 0x20000000 0x0 0x1000000>;
+ reg-names = "opb", "ctrl", "fsi";
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ interrupts-extended = <&intc 6>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fsi0_default>;
+ clocks = <&syscon 40>;
+ };
+ };