The FSI master has some associated GPIOs that may be present on some
hardware configurations.
Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
---
.../devicetree/bindings/fsi/fsi-master-aspeed.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt b/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt
index b758f91914f7..a513e65ec0c9 100644
--- a/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt
+++ b/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt
@@ -12,6 +12,13 @@ Required properties:
- pinctrl-0: phandle to pinctrl node
- pinctrl-names: pinctrl state
+Optional properties:
+ - cfam-reset-gpios: GPIO for CFAM reset
+
+ - fsi-routing-gpios: GPIO for setting the FSI mux (internal or cabled)
+ - fsi-mux-gpios: GPIO for detecting the desired FSI mux state
+
+
Examples:
fsi-master {
@@ -21,4 +28,9 @@ Examples:
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fsi1_default>;
clocks = <&syscon ASPEED_CLK_GATE_FSICLK>;
+
+ fsi-routing-gpios = <&gpio0 ASPEED_GPIO(Q, 7) GPIO_ACTIVE_HIGH>;
+ fsi-mux-gpios = <&gpio0 ASPEED_GPIO(B, 0) GPIO_ACTIVE_HIGH>;
+
+ cfam-reset-gpios = <&gpio0 ASPEED_GPIO(Q, 0) GPIO_ACTIVE_LOW>;
};
--
2.27.0
