From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752496AbcG2ETj (ORCPT ); Fri, 29 Jul 2016 00:19:39 -0400 Received: from lucky1.263xmail.com ([211.157.147.134]:53980 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817AbcG2ESP (ORCPT ); Fri, 29 Jul 2016 00:18:15 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: shawn.lin@rock-chips.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Shawn Lin To: Heiko Stuebner , Rob Herring , Jaehoon Chung , Ulf Hansson Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, Douglas Anderson , Brian Norris , Feng Xiao , Elaine Zhang , linux-kernel@vger.kernel.org, Shawn Lin Subject: [PATCH 1/5] Documentation: mmc: synopsys-dw-mshc: add power domain description Date: Fri, 29 Jul 2016 12:14:59 +0800 Message-Id: <1469765703-30999-2-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1469765703-30999-1-git-send-email-shawn.lin@rock-chips.com> References: <1469765703-30999-1-git-send-email-shawn.lin@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds power domain as a optional property for dw_mmc. We should handle the power domain if available as it's in off state dut to the policy of power-saving after booting up. Otherwise dw_mmc can not be accessed. Signed-off-by: Shawn Lin --- Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 8636f5a..f48febd 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -81,6 +81,8 @@ Optional properties: * dma-names: request names for generic DMA client binding. Must be "rx-tx". Refer to dma.txt for details. +* power-domains: Must contain a reference to the PM domain, if available. + Aliases: - All the MSHC controller nodes should be represented in the aliases node using -- 2.3.7