From patchwork Tue Mar 29 03:29:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QXhlIFlhbmcgKOadqOejiik=?= X-Patchwork-Id: 12794431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3343BC433F5 for ; Tue, 29 Mar 2022 03:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RC5B15G+0FjV/5vvJErxgHKDa3eSY0O3tMzxgJBCGJY=; b=B1HLF8mSoGg9+V noZrs9P7O3omBlSzygD9OKgrrCsycN3sAKHTtBTeZ90EdXHDZQAtdei3gkP0zphmwQhpY01ObqYSk prMb5m1s11HJideLH8BNR48vdLL45iFcHLfqB5VR0YJejIX+bJfWTPmZSGk+tDoB9n89hiwfRU94c ZK+sc8mBj6KFE7h2DSxev4CPfdjrdqQtSMgNITRXJg31N3BynVoU6vtfTRhG0Pa0pb4pIP0/m++wI mBQYyLWwA2ZDl9ayNTl1CSt4iiQAoFewqRoUv4N3y/FRpt19huvencptwfi3qxUi3JvjeTFfo/sq/ 8BVCivZjAAD/qyHFpv4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZ2YA-00AssF-0I; Tue, 29 Mar 2022 03:29:42 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZ2Xu-00Asl8-Nd; Tue, 29 Mar 2022 03:29:28 +0000 X-UUID: 5975e9e61bab4c868ddb0371bfbd5982-20220328 X-UUID: 5975e9e61bab4c868ddb0371bfbd5982-20220328 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2021010394; Mon, 28 Mar 2022 20:29:21 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 28 Mar 2022 20:29:20 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 29 Mar 2022 11:29:18 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 29 Mar 2022 11:29:16 +0800 From: Axe Yang To: Ulf Hansson , Rob Herring , Chaotian Jing , Matthias Brugger , Adrian Hunter CC: Yoshihiro Shimoda , Satya Tangirala , Andy Shevchenko , Wolfram Sang , Axe Yang , Lucas Stach , Eric Biggers , Andrew Jeffery , Stephen Boyd , Kiwoong Kim , Yue Hu , Tian Tao , , , , , , Subject: [PATCH v9 1/3] dt-bindings: mmc: mtk-sd: extend interrupts and pinctrls properties Date: Tue, 29 Mar 2022 11:29:11 +0800 Message-ID: <20220329032913.8750-2-axe.yang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220329032913.8750-1-axe.yang@mediatek.com> References: <20220329032913.8750-1-axe.yang@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-20220328_202926_796035_8726C256 X-CRM114-Status: GOOD ( 12.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Extend interrupts and pinctrls for SDIO wakeup interrupt feature. This feature allow SDIO devices alarm asynchronous interrupt to host even when host stop providing clock to SDIO card. An extra wakeup interrupt and pinctrl states for SDIO DAT1 pin state switching are required in this scenario. Signed-off-by: Axe Yang Reviewed-by: Rob Herring --- .../devicetree/bindings/mmc/mtk-sd.yaml | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml index 297ada03e3de..3872a6ce2867 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml @@ -69,12 +69,22 @@ properties: - const: ahb_cg interrupts: - maxItems: 1 + description: + Should at least contain MSDC GIC interrupt. To support SDIO in-band wakeup, an extended + interrupt is required and be configured as wakeup source irq. + minItems: 1 + maxItems: 2 pinctrl-names: + description: + Should at least contain default and state_uhs. To support SDIO in-band wakeup, dat1 pin + will be switched between GPIO mode and SDIO DAT1 mode, state_eint and state_dat1 are + mandatory in this scenarios. + minItems: 2 items: - const: default - const: state_uhs + - const: state_eint pinctrl-0: description: @@ -86,6 +96,11 @@ properties: should contain uhs mode pin ctrl. maxItems: 1 + pinctrl-2: + description: + should switch dat1 pin to GPIO mode. + maxItems: 1 + assigned-clocks: description: PLL of the source clock.