| Message ID | 1447734663-19189-2-git-send-email-wens@csie.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Nov 17, 2015 at 12:31:02PM +0800, Chen-Yu Tsai wrote: > The physical display tied to the framebuffer may have regulators > providing power to it, such as power for LCDs or interface conversion > chips. > > The number of regulators in use may vary, but the regulator supply > binding can not be a list. Instead just support any named regulator > supply properties under the device node. These should be properly > named to match the device schematics / design. The driver should > take care to go through them all. > > Signed-off-by: Chen-Yu Tsai <wens@csie.org> > Reviewed-by: Hans de Goede <hdegoede@redhat.com> > Acked-by: Mark Brown <broonie@kernel.org> Not really happy to see the continued expansion of simplefb binding, but Acked-by: Rob Herring <robh@kernel.org> > --- > .../devicetree/bindings/display/simple-framebuffer.txt | 13 +++++++++---- > 1 file changed, 9 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/simple-framebuffer.txt b/Documentation/devicetree/bindings/display/simple-framebuffer.txt > index 4474ef6e0b95..8c9e9f515c87 100644 > --- a/Documentation/devicetree/bindings/display/simple-framebuffer.txt > +++ b/Documentation/devicetree/bindings/display/simple-framebuffer.txt > @@ -47,10 +47,14 @@ Required properties: > - a8b8g8r8 (32-bit pixels, d[31:24]=a, d[23:16]=b, d[15:8]=g, d[7:0]=r). > > Optional properties: > -- clocks : List of clocks used by the framebuffer. Clocks listed here > - are expected to already be configured correctly. The OS must > - ensure these clocks are not modified or disabled while the > - simple framebuffer remains active. > +- clocks : List of clocks used by the framebuffer. > +- *-supply : Any number of regulators used by the framebuffer. These should > + be named according to the names in the device's design. > + > + The above resources are expected to already be configured correctly. > + The OS must ensure they are not modified or disabled while the simple > + framebuffer remains active. > + > - display : phandle pointing to the primary display hardware node > > Example: > @@ -68,6 +72,7 @@ chosen { > stride = <(1600 * 2)>; > format = "r5g6b5"; > clocks = <&ahb_gates 36>, <&ahb_gates 43>, <&ahb_gates 44>; > + lcd-supply = <®_dc1sw>; > display = <&lcdc0>; > }; > stdout-path = "display0"; > -- > 2.6.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/display/simple-framebuffer.txt b/Documentation/devicetree/bindings/display/simple-framebuffer.txt index 4474ef6e0b95..8c9e9f515c87 100644 --- a/Documentation/devicetree/bindings/display/simple-framebuffer.txt +++ b/Documentation/devicetree/bindings/display/simple-framebuffer.txt @@ -47,10 +47,14 @@ Required properties: - a8b8g8r8 (32-bit pixels, d[31:24]=a, d[23:16]=b, d[15:8]=g, d[7:0]=r). Optional properties: -- clocks : List of clocks used by the framebuffer. Clocks listed here - are expected to already be configured correctly. The OS must - ensure these clocks are not modified or disabled while the - simple framebuffer remains active. +- clocks : List of clocks used by the framebuffer. +- *-supply : Any number of regulators used by the framebuffer. These should + be named according to the names in the device's design. + + The above resources are expected to already be configured correctly. + The OS must ensure they are not modified or disabled while the simple + framebuffer remains active. + - display : phandle pointing to the primary display hardware node Example: @@ -68,6 +72,7 @@ chosen { stride = <(1600 * 2)>; format = "r5g6b5"; clocks = <&ahb_gates 36>, <&ahb_gates 43>, <&ahb_gates 44>; + lcd-supply = <®_dc1sw>; display = <&lcdc0>; }; stdout-path = "display0";