Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932583AbcCCINz (ORCPT ); Thu, 3 Mar 2016 03:13:55 -0500 Received: from regular1.263xmail.com ([211.150.99.137]:52617 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932242AbcCCINw (ORCPT ); Thu, 3 Mar 2016 03:13:52 -0500 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 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: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Elaine Zhang To: heiko@sntech.de, khilman@baylibre.com, wxt@rock-chips.com Cc: linux-arm-kernel@lists.infradead.org, huangtao@rock-chips.com, zyw@rock-chips.com, xxx@rock-chips.com, jay.xu@rock-chips.com, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Elaine Zhang Subject: [PATCH v5 5/6] dt/bindings: rockchip: modify document of Rockchip power domains Date: Thu, 3 Mar 2016 16:09:17 +0800 Message-Id: <1456992557-25331-1-git-send-email-zhangqing@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456992233-25164-1-git-send-email-zhangqing@rock-chips.com> References: <1456992233-25164-1-git-send-email-zhangqing@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2852 Lines: 85 Add binding documentation for the power domains found on Rockchip RK3399 SoCs. RK3399 pd on/off not need to enable clk which in this pd. So remove the clocks in the rk3399 pd example. Signed-off-by: Elaine Zhang --- .../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>; + /* ... */ + }; -- 1.9.1