From patchwork Wed Mar 9 21:24:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhangqing X-Patchwork-Id: 8553251 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id ECD2F9F2B4 for ; Thu, 10 Mar 2016 02:47:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 187702026F for ; Thu, 10 Mar 2016 02:47:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3753520259 for ; Thu, 10 Mar 2016 02:47:06 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1adqbS-0003qx-3C; Thu, 10 Mar 2016 02:45:30 +0000 Received: from regular1.263xmail.com ([211.150.99.140]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1adqbN-0002N4-2F; Thu, 10 Mar 2016 02:45:26 +0000 Received: from zhangqing?rock-chips.com (unknown [192.168.167.84]) by regular1.263xmail.com (Postfix) with SMTP id 5FEBC4A01; Thu, 10 Mar 2016 10:45:01 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id C664C1EB81; Thu, 10 Mar 2016 10:44:58 +0800 (CST) X-RL-SENDER: zhangqing@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: zhangqing@rock-chips.com X-UNIQUE-TAG: <3821adeaec2415eab96f8ae7262b95ab> X-ATTACHMENT-NUM: 0 X-SENDER: zhangqing@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 19016EA4WW4; Thu, 10 Mar 2016 10:44:59 +0800 (CST) From: Elaine Zhang To: heiko@sntech.de, khilman@baylibre.com, xf@rock-chips.com, wxt@rock-chips.com Subject: [PATCH v6 5/6] dt/bindings: rockchip: modify document of Rockchip power domains Date: Thu, 10 Mar 2016 05:24:21 +0800 Message-Id: <1457558661-22125-1-git-send-email-zhangqing@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1457558578-22049-1-git-send-email-zhangqing@rock-chips.com> References: <1457558578-22049-1-git-send-email-zhangqing@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160309_184526_260792_CA402670 X-CRM114-Status: UNSURE ( 8.16 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.3 (/) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huangtao@rock-chips.com, xxx@rock-chips.com, Elaine Zhang , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, zyw@rock-chips.com, jay.xu@rock-chips.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, DATE_IN_PAST_03_06, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding documentation for the power domains found on Rockchip RK3399 SoCs Signed-off-by: Elaine Zhang Acked-by: Kevin Hilman --- .../bindings/soc/rockchip/power_domain.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt index 13dc6a3..98085c8 100644 --- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt +++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt @@ -7,6 +7,7 @@ Required properties for power domain controller: - compatible: Should be one of the following. "rockchip,rk3288-power-controller" - for RK3288 SoCs. "rockchip,rk3368-power-controller" - for RK3368 SoCs. + "rockchip,rk3399-power-controller" - for RK3399 SoCs. - #power-domain-cells: Number of cells in a power-domain specifier. Should be 1 for multiple PM domains. - #address-cells: Should be 1. @@ -16,6 +17,7 @@ Required properties for power domain sub nodes: - reg: index of the power domain, should use macros in: "include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain. "include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain. + "include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain. - clocks (optional): phandles to clocks which need to be enabled while power domain switches state. @@ -45,12 +47,41 @@ Example: }; }; +Example 2: + power: power-controller { + compatible = "rockchip,rk3399-power-controller"; + #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + pd_vio { + #address-cells = <1>; + #size-cells = <0>; + reg = ; + + pd_vo { + #address-cells = <1>; + #size-cells = <0>; + reg = ; + + pd_vopb { + reg = ; + }; + + pd_vopl { + reg = ; + }; + }; + }; + }; + Node of a device using power domains must have a power-domains property, containing a phandle to the power device node and an index specifying which power domain to use. The index should use macros in: "include/dt-bindings/power/rk3288-power.h" - for rk3288 type power domain. "include/dt-bindings/power/rk3368-power.h" - for rk3368 type power domain. + "include/dt-bindings/power/rk3399-power.h" - for rk3399 type power domain. Example of the node using power domain: @@ -65,3 +96,9 @@ Example of the node using power domain: power-domains = <&power RK3368_PD_GPU_1>; /* ... */ }; + + node { + /* ... */ + power-domains = <&power RK3399_PD_VOPB>; + /* ... */ + };