AST2600 SoC has 2 SGPIO master interfaces one with 128 pins another one
with 80 pins. Add ast2600-sgpiom compatibles and update descriptions to
introduce the max number of available gpio pins that AST2600 supported.
Signed-off-by: Steven Lee <steven_lee@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
index b2ae211411ff..46bb121360dc 100644
--- a/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
@@ -10,9 +10,10 @@ maintainers:
- Andrew Jeffery <andrew@xxxxxxxx>
description:
- This SGPIO controller is for ASPEED AST2500 SoC, it supports up to 80 full
- featured Serial GPIOs. Each of the Serial GPIO pins can be programmed to
- support the following options
+ This SGPIO controller is for ASPEED AST2400, AST2500 and AST2600 SoC,
+ AST2600 have two sgpio master one with 128 pins another one with 80 pins,
+ AST2500/AST2400 have one sgpio master with 80 pins. Each of the Serial
+ GPIO pins can be programmed to support the following options
- Support interrupt option for each input port and various interrupt
sensitivity option (level-high, level-low, edge-high, edge-low)
- Support reset tolerance option for each output port
@@ -25,6 +26,7 @@ properties:
enum:
- aspeed,ast2400-sgpio
- aspeed,ast2500-sgpio
+ - aspeed,ast2600-sgpiom
reg:
maxItems: 1
--
2.17.1
