| Message ID | 20190906062547.13264-1-rashmica.g@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add ast2600 gpio support | expand |
On Fri, Sep 6, 2019 at 7:25 AM Rashmica Gupta <rashmica.g@gmail.com> wrote: > The ast2600 is a new generation of SoC from ASPEED. Similarly to the > ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins. > Additionally, it has a GPIO controller for 36 1.8V GPIO pins. We use > the ngpio property to differentiate between these controllers. > > Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com> The changes are uncontroversial (uses just standard GPIO ngpios and adds a compatible) so patch applied. Yours, Linus Walleij
diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt index 7e9b586770b0..b2033fc3a71a 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt @@ -2,7 +2,8 @@ Aspeed GPIO controller Device Tree Bindings ------------------------------------------- Required properties: -- compatible : Either "aspeed,ast2400-gpio" or "aspeed,ast2500-gpio" +- compatible : Either "aspeed,ast2400-gpio", "aspeed,ast2500-gpio", + or "aspeed,ast2600-gpio". - #gpio-cells : Should be two - First cell is the GPIO line number @@ -17,7 +18,9 @@ Required properties: Optional properties: -- clocks : A phandle to the clock to use for debounce timings +- clocks : A phandle to the clock to use for debounce timings +- ngpios : Number of GPIOs controlled by this controller. Should be set + when there are multiple GPIO controllers on a SoC (ast2600). The gpio and interrupt properties are further described in their respective bindings documentation:
The ast2600 is a new generation of SoC from ASPEED. Similarly to the ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins. Additionally, it has a GPIO controller for 36 1.8V GPIO pins. We use the ngpio property to differentiate between these controllers. Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com> --- Documentation/devicetree/bindings/gpio/gpio-aspeed.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)