From patchwork Fri Aug 29 22:07:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 384412 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 169EB14013B for ; Sat, 30 Aug 2014 08:13:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751065AbaH2WN3 (ORCPT ); Fri, 29 Aug 2014 18:13:29 -0400 Received: from va-smtp01.263.net ([54.88.144.211]:43090 "EHLO vasmtpcom.263.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750889AbaH2WN3 (ORCPT ); Fri, 29 Aug 2014 18:13:29 -0400 X-Greylist: delayed 371 seconds by postgrey-1.27 at vger.kernel.org; Fri, 29 Aug 2014 18:13:28 EDT Received: from leejh-Precision-WorkStation-T3500.corp.google.com (localhost.localdomain [127.0.0.1]) by vasmtpcom.263.net (Postfix) with ESMTP id CC1697FA04; Sat, 30 Aug 2014 06:07:16 +0800 (CST) X-RL-SENDER: jay.xu@rock-chips.com X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: jay.xu@rock-chips.com X-UNIQUE-TAG: <01877b9b21fc2c3314e858e41bfd4b66> X-ATTACHMENT-NUM: 0 X-SENDER: xjq@rock-chips.com X-DNS-TYPE: 1 Received: from unknown (localhost [127.0.0.1]) by vasmtpcom.263.net (Postfix) whith SMTP id 8603Z2V363; Sat, 30 Aug 2014 06:07:16 +0800 (CST) From: Jianqun To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.de, yongjun_wei@trendmicro.com.cn, heiko@sntech.de, dianders@chromium.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Jianqun Subject: [PATCH 1/2] rockchip-i2s: dt: add grf requested properties to set power of I2S controller Date: Fri, 29 Aug 2014 15:07:05 -0700 Message-Id: <1409350027-17604-2-git-send-email-jay.xu@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1409350027-17604-1-git-send-email-jay.xu@rock-chips.com> References: <1409350027-17604-1-git-send-email-jay.xu@rock-chips.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add "rockchip,grf" for driver to get physical address of GRF, and "rockchip,grf-io-vsel" for driver to set voltage for I2S controller according to hardware request. Requested by rk3xxx I2S controller and tested ok on rk3288-pinky board. Change-Id: I2587d15c25e64c569857369326653d8a450bae19 Signed-off-by: Jianqun --- Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt index 6c55fcf..b995fe6 100644 --- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt +++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt @@ -9,6 +9,8 @@ Required properties: - "rockchip,rk3066-i2s": for rk3066 - "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188 - "rockchip,rk3288-i2s", "rockchip,rk3066-i2s": for rk3288 +- rockchip,grf: physical base address of GRF. +- rockchip,grf-io-vsel: select this if I2S controller powerd by 1.8v. - reg: physical base address of the controller and length of memory mapped region. - interrupts: should contain the I2S interrupt. @@ -26,12 +28,14 @@ Example for rk3288 I2S controller: i2s@ff890000 { compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s"; + rockchip,grf = <&grf>; + rockchip,grf-io-vsel; reg = <0xff890000 0x10000>; interrupts = ; #address-cells = <1>; #size-cells = <0>; dmas = <&pdma1 0>, <&pdma1 1>; - dma-names = "rx", "tx"; + dma-names = "tx", "rx"; clock-names = "i2s_hclk", "i2s_clk"; clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>; };