linux-kernel - [PATCH v2 3/3] media: dt-bindings: vpif: new optional property

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Date:   Wed, 22 Feb 2017 14:43:47 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Sekhar Nori <nsekhar@...com>, David Lechner <david@...hnology.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v2 3/3] media: dt-bindings: vpif: new optional property

Add an optional property - enable-gpios - which can be used to specify
the GPIOs that must be requested to select the vpif functionality.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 Documentation/devicetree/bindings/media/ti,da850-vpif.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
index df7182a..23c5405 100644
--- a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
+++ b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
@@ -13,6 +13,9 @@ Required properties:
 - reg: physical base address and length of the registers set for the device;
 - interrupts: should contain IRQ line for the VPIF
 
+Optional properties:
+- enable-gpios: phandle of the GPIOs used to select the vpif functionality
+
 Video Capture:
 
 VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a
@@ -30,6 +33,10 @@ I2C-connected TVP5147 decoder:
 		reg = <0x217000 0x1000>;
 		interrupts = <92>;
 
+		enable-gpios = <&tca6416 7 GPIO_ACTIVE_HIGH
+				&tca6416 6 GPIO_ACTIVE_HIGH
+				&tca6416 5 GPIO_ACTIVE_LOW>;
+
 		port@0 {
 			vpif_input_ch0: endpoint@0 {
 				reg = <0>;
-- 
2.9.3