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Sun, 16 Aug 2020 19:04:54 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 16 Aug 2020 20:04:52 -0700 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: , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200816_230459_000718_61D84C06 X-CRM114-Status: GOOD ( 11.15 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, yong.liang@mediatek.com, stanley.chu@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, afd@ti.com, fan.chen@mediatek.com, Crystal Guo , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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