| Message ID | 20200728025527.174503-2-joel@jms.id.au (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fsi: Support extra functions on ASPEED master | expand |
On Tue, 28 Jul 2020, at 12:25, Joel Stanley wrote: > The FSI master has some associated GPIOs that may be present on some > hardware configurations. > > Signed-off-by: Joel Stanley <joel@jms.id.au> > --- > .../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 > + > + Is the double-linebreak intentional? Anyway: Reviewed-by: Andrew Jeffery <andrew@aj.id.au> > 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 > >
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>; };
The FSI master has some associated GPIOs that may be present on some hardware configurations. Signed-off-by: Joel Stanley <joel@jms.id.au> --- .../devicetree/bindings/fsi/fsi-master-aspeed.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+)