From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753867AbbGAJoa (ORCPT ); Wed, 1 Jul 2015 05:44:30 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:37816 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753767AbbGAJmn (ORCPT ); Wed, 1 Jul 2015 05:42:43 -0400 From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Mark Brown , linux-acpi@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, "Rafael J. Wysocki" , alsa-devel@alsa-project.org, Tomeu Vizoso , Kumar Gala , Ian Campbell , Rob Herring , Pawel Moll , Mark Rutland Subject: [PATCH v2 06/12] backlight: Document consumers of backlight nodes Date: Wed, 1 Jul 2015 11:41:01 +0200 Message-Id: <1435743667-11987-7-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> References: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a small note that makes explicit that properties named 'backlight' contain phandles to backlight nodes. This is needed so that we can automatically extract dependencies on backlight devices by assuming that a property with that name contains a phandle to such a device. Signed-off-by: Tomeu Vizoso --- Changes in v2: - Document that consumers of backlight devices can use the 'backlight' property to hold a phandle to the backlight device. .../bindings/video/backlight/backlight.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/backlight/backlight.txt diff --git a/Documentation/devicetree/bindings/video/backlight/backlight.txt b/Documentation/devicetree/bindings/video/backlight/backlight.txt new file mode 100644 index 0000000..309949d --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/backlight.txt @@ -0,0 +1,22 @@ +Specifying backlight information for devices +============================================ + +Backlight user nodes +-------------------- + +Nodes such as display panels that refer to backlight devices can do so by simply having a property named 'backlight' that contains a phandle to a backlight node. + +Example: + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>; + }; + + [...] + + panel: panel { + compatible = "cptt,claa101wb01"; + + backlight = <&backlight>; + }; -- 2.4.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Subject: [PATCH v2 06/12] backlight: Document consumers of backlight nodes Date: Wed, 1 Jul 2015 11:41:01 +0200 Message-ID: <1435743667-11987-7-git-send-email-tomeu.vizoso@collabora.com> References: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org Cc: Mark Rutland , devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, Pawel Moll , Rob Herring , Tomeu Vizoso , linux-gpio@vger.kernel.org, Ian Campbell , "Rafael J. Wysocki" , alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org, Mark Brown , linux-pwm@vger.kernel.org, Kumar Gala List-Id: linux-acpi@vger.kernel.org QWRkIGEgc21hbGwgbm90ZSB0aGF0IG1ha2VzIGV4cGxpY2l0IHRoYXQgcHJvcGVydGllcyBuYW1l ZCAnYmFja2xpZ2h0Jwpjb250YWluIHBoYW5kbGVzIHRvIGJhY2tsaWdodCBub2Rlcy4KClRoaXMg aXMgbmVlZGVkIHNvIHRoYXQgd2UgY2FuIGF1dG9tYXRpY2FsbHkgZXh0cmFjdCBkZXBlbmRlbmNp ZXMgb24KYmFja2xpZ2h0IGRldmljZXMgYnkgYXNzdW1pbmcgdGhhdCBhIHByb3BlcnR5IHdpdGgg dGhhdCBuYW1lIGNvbnRhaW5zIGEKcGhhbmRsZSB0byBzdWNoIGEgZGV2aWNlLgoKU2lnbmVkLW9m Zi1ieTogVG9tZXUgVml6b3NvIDx0b21ldS52aXpvc29AY29sbGFib3JhLmNvbT4KLS0tCgpDaGFu Z2VzIGluIHYyOgotIERvY3VtZW50IHRoYXQgY29uc3VtZXJzIG9mIGJhY2tsaWdodCBkZXZpY2Vz IGNhbiB1c2UgdGhlICdiYWNrbGlnaHQnCiAgcHJvcGVydHkgdG8gaG9sZCBhIHBoYW5kbGUgdG8g dGhlIGJhY2tsaWdodCBkZXZpY2UuCgogLi4uL2JpbmRpbmdzL3ZpZGVvL2JhY2tsaWdodC9iYWNr bGlnaHQudHh0ICAgICAgICAgfCAyMiArKysrKysrKysrKysrKysrKysrKysrCiAxIGZpbGUgY2hh bmdlZCwgMjIgaW5zZXJ0aW9ucygrKQogY3JlYXRlIG1vZGUgMTAwNjQ0IERvY3VtZW50YXRpb24v ZGV2aWNldHJlZS9iaW5kaW5ncy92aWRlby9iYWNrbGlnaHQvYmFja2xpZ2h0LnR4dAoKZGlmZiAt LWdpdCBhL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy92aWRlby9iYWNrbGlnaHQv YmFja2xpZ2h0LnR4dCBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy92aWRlby9i YWNrbGlnaHQvYmFja2xpZ2h0LnR4dApuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAw Li4zMDk5NDlkCi0tLSAvZGV2L251bGwKKysrIGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2Jp bmRpbmdzL3ZpZGVvL2JhY2tsaWdodC9iYWNrbGlnaHQudHh0CkBAIC0wLDAgKzEsMjIgQEAKK1Nw ZWNpZnlpbmcgYmFja2xpZ2h0IGluZm9ybWF0aW9uIGZvciBkZXZpY2VzCis9PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQorCitCYWNrbGlnaHQgdXNlciBub2Rlcwor LS0tLS0tLS0tLS0tLS0tLS0tLS0KKworTm9kZXMgc3VjaCBhcyBkaXNwbGF5IHBhbmVscyB0aGF0 IHJlZmVyIHRvIGJhY2tsaWdodCBkZXZpY2VzIGNhbiBkbyBzbyBieSBzaW1wbHkgaGF2aW5nIGEg cHJvcGVydHkgbmFtZWQgJ2JhY2tsaWdodCcgdGhhdCBjb250YWlucyBhIHBoYW5kbGUgdG8gYSBi YWNrbGlnaHQgbm9kZS4KKworRXhhbXBsZToKKworCWJhY2tsaWdodDogYmFja2xpZ2h0IHsKKwkJ Y29tcGF0aWJsZSA9ICJncGlvLWJhY2tsaWdodCI7CisJCWdwaW9zID0gPCZncGlvMyA0IEdQSU9f QUNUSVZFX0hJR0g+OworCX07CisKKwlbLi4uXQorCisJcGFuZWw6IHBhbmVsIHsKKwkJY29tcGF0 aWJsZSA9ICJjcHR0LGNsYWExMDF3YjAxIjsKKworCQliYWNrbGlnaHQgPSA8JmJhY2tsaWdodD47 CisJfTsKLS0gCjIuNC4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Date: Wed, 01 Jul 2015 09:41:01 +0000 Subject: [PATCH v2 06/12] backlight: Document consumers of backlight nodes Message-Id: <1435743667-11987-7-git-send-email-tomeu.vizoso@collabora.com> List-Id: References: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> In-Reply-To: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Mark Rutland , devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, Pawel Moll , Rob Herring , Tomeu Vizoso , linux-gpio@vger.kernel.org, Ian Campbell , "Rafael J. Wysocki" , alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org, Mark Brown , linux-pwm@vger.kernel.org, Kumar Gala Add a small note that makes explicit that properties named 'backlight' contain phandles to backlight nodes. This is needed so that we can automatically extract dependencies on backlight devices by assuming that a property with that name contains a phandle to such a device. Signed-off-by: Tomeu Vizoso --- Changes in v2: - Document that consumers of backlight devices can use the 'backlight' property to hold a phandle to the backlight device. .../bindings/video/backlight/backlight.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/backlight/backlight.txt diff --git a/Documentation/devicetree/bindings/video/backlight/backlight.txt b/Documentation/devicetree/bindings/video/backlight/backlight.txt new file mode 100644 index 0000000..309949d --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/backlight.txt @@ -0,0 +1,22 @@ +Specifying backlight information for devices +====================== + +Backlight user nodes +-------------------- + +Nodes such as display panels that refer to backlight devices can do so by simply having a property named 'backlight' that contains a phandle to a backlight node. + +Example: + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>; + }; + + [...] + + panel: panel { + compatible = "cptt,claa101wb01"; + + backlight = <&backlight>; + }; -- 2.4.1