From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: [PATCH 3/3] ASoC: cs35l35: Add DT binding to specify usage of an external boost supply Date: Thu, 6 Apr 2017 13:52:14 +0100 Message-ID: <1491483134-28079-3-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1491483134-28079-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1491483134-28079-1-git-send-email-ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, brian.austin-jGc1dHjMKG3QT0dZR+AlfA@public.gmane.org, Paul.Handrigan-jGc1dHjMKG3QT0dZR+AlfA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org List-Id: devicetree@vger.kernel.org Add a device tree binding to let the driver know that the amplifier is configured to use an external boost supply. Signed-off-by: Charles Keepax --- Documentation/devicetree/bindings/sound/cs35l35.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/cs35l35.txt b/Documentation/devicetree/bindings/sound/cs35l35.txt index 958f0ea..457d176 100644 --- a/Documentation/devicetree/bindings/sound/cs35l35.txt +++ b/Documentation/devicetree/bindings/sound/cs35l35.txt @@ -33,6 +33,10 @@ Optional properties: - cirrus,shared-boost : Boolean to enable ClassH tracking of Advisory Signal if 2 Devices share Boost BST_CTL + - cirrus,external-boost : Boolean to specify the device is using an external + boost supply, note that sharing a boost from another cs35l35 would constitute + using an external supply for the slave device + - cirrus,sp-drv-strength : Value for setting the Serial Port drive strength Table 3-10 of the datasheet lists drive-strength specifications 0 = 1x (Default) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html