From bd58a3908043c7f28d8f0ec9c7abb641a0a67310 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 17 Nov 2015 12:31:02 +0800 Subject: dt-bindings: simplefb: Support regulator supply properties 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 Reviewed-by: Hans de Goede Acked-by: Mark Brown Acked-by: Rob Herring Signed-off-by: Tomi Valkeinen --- .../devicetree/bindings/display/simple-framebuffer.txt | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'Documentation') 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"; -- cgit v1.2.3-59-g8ed1b