From patchwork Mon Aug 17 03:03:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 1345579 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=mediatek.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=mediatek.com header.i=@mediatek.com header.a=rsa-sha256 header.s=dk header.b=LZMroCEt; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BVJn51pBtz9sTQ for ; Mon, 17 Aug 2020 13:04:57 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726890AbgHQDEz (ORCPT ); Sun, 16 Aug 2020 23:04:55 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:50481 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726424AbgHQDEz (ORCPT ); Sun, 16 Aug 2020 23:04:55 -0400 X-UUID: 36b69d2164f14983b493d402712a5cb9-20200817 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=t4ilFaoK0tLBNope3nohB/2oIAVf+4PK2ECy4GhL2WE=; b=LZMroCEtDXNUpAbWTI/3dgS5VE/Za5n4BydgC1gARzNP3c8DLV4h+gC97O1K8rxxnrTpoacgiw3dLrhieMdUrbltPc0Rs9kYiCt61/ACF3XZk5M2Eole/HlJ0qWGA5na/AluZNcJKtKJEYmdz9xfD7Fj3ruk/7fbNZeiEwEv6zs=; X-UUID: 36b69d2164f14983b493d402712a5cb9-20200817 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 783053291; Mon, 17 Aug 2020 11:04:52 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 17 Aug 2020 11:04:50 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 17 Aug 2020 11:04:49 +0800 From: Crystal Guo To: , , CC: , , , , , , , , , , , , Crystal Guo Subject: [v4,1/4] dt-binding: reset-controller: ti: add reset-duration-us property Date: Mon, 17 Aug 2020 11:03:21 +0800 Message-ID: <20200817030324.5690-2-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200817030324.5690-1-crystal.guo@mediatek.com> References: <20200817030324.5690-1-crystal.guo@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org introduce 'reset' method to allow device do serialized assert and deassert operations in a single step, which needs a minimum delay to be waited between assert and deassert. Signed-off-by: Crystal Guo --- Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt index 86945502ccb5..ab041032339b 100644 --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt @@ -59,6 +59,11 @@ Required properties: Please also refer to Documentation/devicetree/bindings/reset/reset.txt for common reset controller usage by consumers. +Optional properties: +- reset-duration-us: When do serialized assert and deassert operations, minimum delay in microseconds +is needed to be waited between an assert and a deassert to reset the device. This value can be 0, 0 means +that such a delay is not needed. + Example: -------- The following example demonstrates a syscon node, the reset controller node From patchwork Mon Aug 17 03:03:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 1345580 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=mediatek.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=mediatek.com header.i=@mediatek.com header.a=rsa-sha256 header.s=dk header.b=MsruNvkL; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BVJnF4Qtwz9sTM for ; Mon, 17 Aug 2020 13:05:05 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726978AbgHQDFE (ORCPT ); Sun, 16 Aug 2020 23:05:04 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:10421 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726424AbgHQDFE (ORCPT ); Sun, 16 Aug 2020 23:05:04 -0400 X-UUID: 6781fee4fefb444eaf7b6cdbd425634a-20200817 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=JJlKMP7ee02ays8KbIJqTQ/xkRTBFEVByYajjiFisPk=; b=MsruNvkLyuUFU/gLaYnStdITTrk2LG3mKzT9a2QZlaZLbcNu3jtjFeiXGXMB+8G6dxLrtsC0zc8qIxuEuEIln4hGwT6ZuZRE0z6bsmnKQ7Siq8KgWDJbkN5whrXme4HepB0uAvpYkO4oLaY6hiYsVkbesVP6t13haPOwNS8v8m0=; X-UUID: 6781fee4fefb444eaf7b6cdbd425634a-20200817 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 933729504; Mon, 17 Aug 2020 11:05:02 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 17 Aug 2020 11:05:00 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 17 Aug 2020 11:04:59 +0800 From: Crystal Guo To: , , CC: , , , , , , , , , , , , Crystal Guo Subject: [v4,2/4] dt-binding: reset-controller: ti: add 'mediatek,infra-reset' to compatible Date: Mon, 17 Aug 2020 11:03:22 +0800 Message-ID: <20200817030324.5690-3-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200817030324.5690-1-crystal.guo@mediatek.com> References: <20200817030324.5690-1-crystal.guo@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The TI syscon reset controller provides a common reset management, and is suitable for MTK SoCs. Add compatible 'mediatek,infra-reset', which denotes to use ti reset-controller driver directly. Signed-off-by: Crystal Guo --- Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt index ab041032339b..5a0e9365b51b 100644 --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt @@ -25,6 +25,7 @@ Required properties: "ti,k2l-pscrst" "ti,k2hk-pscrst" "ti,syscon-reset" + "mediatek,infra-reset", "ti,syscon-reset" - #reset-cells : Should be 1. Please see the reset consumer node below for usage details - ti,reset-bits : Contains the reset control register information