Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752042Ab3HKGC7 (ORCPT ); Sun, 11 Aug 2013 02:02:59 -0400 Received: from mail-pb0-f41.google.com ([209.85.160.41]:48602 "EHLO mail-pb0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396Ab3HKGC5 (ORCPT ); Sun, 11 Aug 2013 02:02:57 -0400 From: "Lad, Prabhakar" To: LMML , Hans Verkuil Cc: DLOS , LKML , Mauro Carvalho Chehab , devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, "Lad, Prabhakar" Subject: [PATCH] media: OF: add "sync-on-green-active" property Date: Sun, 11 Aug 2013 11:32:24 +0530 Message-Id: <1376200944-20478-1-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3191 Lines: 82 From: "Lad, Prabhakar" This patch adds 'sync-on-green-active' property as part of endpoint property. Signed-off-by: Lad, Prabhakar Acked-by: Sylwester Nawrocki --- Changes for non RFC: 1: Fixed review comments pointed by Hans. 2: Added Ack from Sylwester. Changes for v5: 1: Changed description for sync-on-green-active property in documentation file as suggested by Sylwester. Changes for v4: 1: Fixed review comments pointed by Sylwester. Changes for v3: 1: Fixed review comments pointed by Laurent and Sylwester. RFC v2 https://patchwork.kernel.org/patch/2578091/ RFC V1 https://patchwork.kernel.org/patch/2572341/ .../devicetree/bindings/media/video-interfaces.txt | 2 ++ drivers/media/v4l2-core/v4l2-of.c | 4 ++++ include/media/v4l2-mediabus.h | 3 +++ 3 files changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt index e022d2d..ce719f8 100644 --- a/Documentation/devicetree/bindings/media/video-interfaces.txt +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt @@ -88,6 +88,8 @@ Optional endpoint properties - field-even-active: field signal level during the even field data transmission. - pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock signal. +- sync-on-green-active: active state of Sync-on-green (SoG) signal, 0/1 for + LOW/HIGH respectively. - data-lanes: an array of physical data lane indexes. Position of an entry determines the logical lane number, while the value of an entry indicates physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c index aa59639..5c4c9f0 100644 --- a/drivers/media/v4l2-core/v4l2-of.c +++ b/drivers/media/v4l2-core/v4l2-of.c @@ -100,6 +100,10 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node, if (!of_property_read_u32(node, "data-shift", &v)) bus->data_shift = v; + if (!of_property_read_u32(node, "sync-on-green-active", &v)) + flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH : + V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW; + bus->flags = flags; } diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h index 83ae07e..395c4a9 100644 --- a/include/media/v4l2-mediabus.h +++ b/include/media/v4l2-mediabus.h @@ -40,6 +40,9 @@ #define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10) /* FIELD = 1/0 - Field1 (odd)/Field2 (even) */ #define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11) +/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */ +#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH (1 << 12) +#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW (1 << 13) /* Serial flags */ /* How many lanes the client can use */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/