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authorSteven Lee <steven_lee@aspeedtech.com>2021-07-12 18:03:09 +0800
committerJoel Stanley <joel@jms.id.au>2021-08-03 15:22:39 +0930
commit0ffbfcbc273ef3f290c835ad1781c4f9a58d5090 (patch)
treef12ba0e2b838f185ee9959d3b3a8ab11fb8731f2 /Documentation/devicetree/bindings/gpio
parentdt-bindings: aspeed-sgpio: Convert txt bindings to yaml. (diff)
downloadlinux-dev-0ffbfcbc273ef3f290c835ad1781c4f9a58d5090.tar.xz
linux-dev-0ffbfcbc273ef3f290c835ad1781c4f9a58d5090.zip
dt-bindings: aspeed-sgpio: Add ast2600 sgpio
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@aspeedtech.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210712100317.23298-3-steven_lee@aspeedtech.com Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r--Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml8
1 files 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@aj.id.au>
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