From patchwork Wed May 24 12:35:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13253916 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 33F4AC7EE2C for ; Wed, 24 May 2023 12:36:26 +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=MX94XUrHp05vhz2ttdZ9QWDKlFoycrFV+kniOGwHRyQ=; b=sozhtrv7PNBPuW mM9Wu1YqSw+PvA9tPNyIdIBtIoY2psC3h0Q8TwAtp+aFS2d+3OgFYd8cTgKMfTqaBf60hmqhTpCJE GykdvbdMhJZw6CyrTEgH8HJeXPTlbWzYzxEFthohZoujhy/fYDP/lpv5GF9/IXNxCk7pTe+WjvaPS dzdWKu2tmsiFvyLDlt4sg1Ij+08/7FgXJBZJCgKdWsfr5anILRQmYnDJY4E48oK7h34OvvBtuq0hV 3nWdQ0xgfkvyWJlabtku0JBCNDlD8GutpIOea5nSTkETGKsVHAxuqsai5pNgB5VPIU1FLgfwoYhti X3eZva3DfMKAaif9QPPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q1niY-00DRJs-2w; Wed, 24 May 2023 12:35:50 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q1niU-00DRI9-0X for linux-arm-kernel@lists.infradead.org; Wed, 24 May 2023 12:35:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1684931746; x=1716467746; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gzSWfAKPB5qBX1sE5pYvWf6PLtnvJPojqONIqDbzLR4=; b=ceuTP/ZTBzaSbAt9YUJNk4Hk37EiKCk0Psq9FqUjKq2HNCM5eEZlB0AY futMVvpLr/uFl4//G+i0t6usf3kH90ZH7RrZbvMSBwNLq3FGPVUDKMiRU /m67xtO7dNQblcmk4D+4ksVsYtk/GA4I3qT0o5iU8XnKOkgkVnwEN7yiw dBy9y9Puj3HbjXjdgrCiXUuVqLIz76KP7Wlea7fLWWTf5gcwPYzocUXPp pVHAxj0s6jfuLAqcu9ld8B8bVnYf7tAod2u2bNvrTGfP9EjkCeMwTBwqI us+BQVSmT5WwqVvNq3lqnkF80xhDazBfwgMtGRezEbWlCFd4mVPI6xnE9 A==; X-IronPort-AV: E=Sophos;i="6.00,189,1681196400"; d="scan'208";a="215268148" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 24 May 2023 05:35:45 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 24 May 2023 05:35:43 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Wed, 24 May 2023 05:35:40 -0700 From: Claudiu Beznea To: , , , , , CC: , , , , Claudiu Beznea Subject: [PATCH v2 1/4] ARM: dts: at91: use generic name for shutdown controller Date: Wed, 24 May 2023 15:35:25 +0300 Message-ID: <20230524123528.439082-2-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230524123528.439082-1-claudiu.beznea@microchip.com> References: <20230524123528.439082-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230524_053546_209791_2C7D9966 X-CRM114-Status: GOOD ( 11.41 ) 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 Use poweroff generic name for shdwc node to cope with device tree specifications. Signed-off-by: Claudiu Beznea --- arch/arm/boot/dts/at91-qil_a9260.dts | 2 +- arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 2 +- arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts | 2 +- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 +- arch/arm/boot/dts/at91sam9260.dtsi | 2 +- arch/arm/boot/dts/at91sam9260ek.dts | 2 +- arch/arm/boot/dts/at91sam9261.dtsi | 2 +- arch/arm/boot/dts/at91sam9263.dtsi | 2 +- arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 2 +- arch/arm/boot/dts/at91sam9g45.dtsi | 2 +- arch/arm/boot/dts/at91sam9n12.dtsi | 2 +- arch/arm/boot/dts/at91sam9rl.dtsi | 2 +- arch/arm/boot/dts/at91sam9x5.dtsi | 2 +- arch/arm/boot/dts/sam9x60.dtsi | 2 +- arch/arm/boot/dts/sama5d2.dtsi | 2 +- arch/arm/boot/dts/sama5d3.dtsi | 2 +- arch/arm/boot/dts/sama5d4.dtsi | 2 +- arch/arm/boot/dts/sama7g5.dtsi | 2 +- arch/arm/boot/dts/usb_a9260.dts | 2 +- arch/arm/boot/dts/usb_a9263.dts | 2 +- 20 files changed, 20 insertions(+), 20 deletions(-) diff --git a/arch/arm/boot/dts/at91-qil_a9260.dts b/arch/arm/boot/dts/at91-qil_a9260.dts index 9d26f9996348..5ccb3c139592 100644 --- a/arch/arm/boot/dts/at91-qil_a9260.dts +++ b/arch/arm/boot/dts/at91-qil_a9260.dts @@ -108,7 +108,7 @@ dbgu: serial@fffff200 { status = "okay"; }; - shdwc@fffffd10 { + shdwc: poweroff@fffffd10 { atmel,wakeup-counter = <10>; atmel,wakeup-rtt-timer; }; diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 0dc6ca377b0c..cb6243cfe182 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -139,7 +139,7 @@ i2c3: i2c@600 { }; }; - shdwc@f8048010 { + poweroff@f8048010 { debounce-delay-us = <976>; atmel,wakeup-rtc-timer; diff --git a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts index 76a711b167b0..86b860d80726 100644 --- a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts @@ -204,7 +204,7 @@ i2c2: i2c@600 { }; }; - shdwc@f8048010 { + poweroff@f8048010 { debounce-delay-us = <976>; input@0 { diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 85949c24b687..024a553842a9 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -348,7 +348,7 @@ i2c2: i2c@600 { }; }; - shdwc@f8048010 { + poweroff@f8048010 { debounce-delay-us = <976>; atmel,wakeup-rtc-timer; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 16e3b24b4ddd..35a007365b6a 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -130,7 +130,7 @@ reset-controller@fffffd00 { clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>; }; - shdwc@fffffd10 { + shdwc: poweroff@fffffd10 { compatible = "atmel,at91sam9260-shdwc"; reg = <0xfffffd10 0x10>; clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>; diff --git a/arch/arm/boot/dts/at91sam9260ek.dts b/arch/arm/boot/dts/at91sam9260ek.dts index bb72f050a4fe..720c15472c4a 100644 --- a/arch/arm/boot/dts/at91sam9260ek.dts +++ b/arch/arm/boot/dts/at91sam9260ek.dts @@ -112,7 +112,7 @@ pinctrl_board_mmc0_slot1: mmc0_slot1-board { }; }; - shdwc@fffffd10 { + shdwc: poweroff@fffffd10 { atmel,wakeup-counter = <10>; atmel,wakeup-rtt-timer; }; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index fe9ead867e2a..528ffc6f6f96 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -614,7 +614,7 @@ reset-controller@fffffd00 { clocks = <&slow_xtal>; }; - shdwc@fffffd10 { + poweroff@fffffd10 { compatible = "atmel,at91sam9260-shdwc"; reg = <0xfffffd10 0x10>; clocks = <&slow_xtal>; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index ee5e6ed44dd4..75d8ff2d12c8 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -158,7 +158,7 @@ reset-controller@fffffd00 { clocks = <&slow_xtal>; }; - shdwc@fffffd10 { + poweroff@fffffd10 { compatible = "atmel,at91sam9260-shdwc"; reg = <0xfffffd10 0x10>; clocks = <&slow_xtal>; diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi index 024af2db638e..565b99e79c52 100644 --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi @@ -126,7 +126,7 @@ flash@1 { }; }; - shdwc@fffffd10 { + shdwc: poweroff@fffffd10 { atmel,wakeup-counter = <10>; atmel,wakeup-rtt-timer; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 498cb92b29f9..7cccc606e36c 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -152,7 +152,7 @@ pit: timer@fffffd30 { }; - shdwc@fffffd10 { + poweroff@fffffd10 { compatible = "atmel,at91sam9rl-shdwc"; reg = <0xfffffd10 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 0e28101b26bf..8dc04e9031a6 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -140,7 +140,7 @@ pit: timer@fffffe30 { clocks = <&pmc PMC_TYPE_CORE PMC_MCK>; }; - shdwc@fffffe10 { + poweroff@fffffe10 { compatible = "atmel,at91sam9x5-shdwc"; reg = <0xfffffe10 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index d7e8a115c916..3d089ffbe162 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -778,7 +778,7 @@ reset-controller@fffffd00 { clocks = <&clk32k>; }; - shdwc@fffffd10 { + poweroff@fffffd10 { compatible = "atmel,at91sam9260-shdwc"; reg = <0xfffffd10 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 0123ee47151c..a1fed912f2ee 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -141,7 +141,7 @@ reset_controller: reset-controller@fffffe00 { clocks = <&clk32k>; }; - shutdown_controller: shdwc@fffffe10 { + shutdown_controller: poweroff@fffffe10 { compatible = "atmel,at91sam9x5-shdwc"; reg = <0xfffffe10 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi index 933d73505a8b..47c4f267a45c 100644 --- a/arch/arm/boot/dts/sam9x60.dtsi +++ b/arch/arm/boot/dts/sam9x60.dtsi @@ -675,7 +675,7 @@ reset_controller: reset-controller@fffffe00 { clocks = <&clk32k 0>; }; - shutdown_controller: shdwc@fffffe10 { + shutdown_controller: poweroff@fffffe10 { compatible = "microchip,sam9x60-shdwc"; reg = <0xfffffe10 0x10>; clocks = <&clk32k 0>; diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index 7b6471655dee..daeeb24e5f4d 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -680,7 +680,7 @@ reset_controller: reset-controller@f8048000 { clocks = <&clk32k>; }; - shutdown_controller: shdwc@f8048010 { + shutdown_controller: poweroff@f8048010 { compatible = "atmel,sama5d2-shdwc"; reg = <0xf8048010 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 0eebf6c760b3..d9e66700d1c2 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -1016,7 +1016,7 @@ reset_controller: reset-controller@fffffe00 { clocks = <&clk32k>; }; - shutdown_controller: shutdown-controller@fffffe10 { + shutdown_controller: poweroff@fffffe10 { compatible = "atmel,at91sam9x5-shdwc"; reg = <0xfffffe10 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index de6c82969232..41284e013f53 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -740,7 +740,7 @@ reset_controller: reset-controller@fc068600 { clocks = <&clk32k>; }; - shutdown_controller: shdwc@fc068610 { + shutdown_controller: poweroff@fc068610 { compatible = "atmel,at91sam9x5-shdwc"; reg = <0xfc068610 0x10>; clocks = <&clk32k>; diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi index f0478a43edc2..886b6209a71e 100644 --- a/arch/arm/boot/dts/sama7g5.dtsi +++ b/arch/arm/boot/dts/sama7g5.dtsi @@ -257,7 +257,7 @@ reset_controller: reset-controller@e001d000 { clocks = <&clk32k 0>; }; - shdwc: shdwc@e001d010 { + shdwc: poweroff@e001d010 { compatible = "microchip,sama7g5-shdwc", "syscon"; reg = <0xe001d010 0x10>; clocks = <&clk32k 0>; diff --git a/arch/arm/boot/dts/usb_a9260.dts b/arch/arm/boot/dts/usb_a9260.dts index 6cfa83921ac2..66f8da89007d 100644 --- a/arch/arm/boot/dts/usb_a9260.dts +++ b/arch/arm/boot/dts/usb_a9260.dts @@ -22,7 +22,7 @@ memory@20000000 { ahb { apb { - shdwc@fffffd10 { + shdwc: poweroff@fffffd10 { atmel,wakeup-counter = <10>; atmel,wakeup-rtt-timer; }; diff --git a/arch/arm/boot/dts/usb_a9263.dts b/arch/arm/boot/dts/usb_a9263.dts index b6cb9cdf8197..45745915b2e1 100644 --- a/arch/arm/boot/dts/usb_a9263.dts +++ b/arch/arm/boot/dts/usb_a9263.dts @@ -67,7 +67,7 @@ flash@0 { }; }; - shdwc@fffffd10 { + poweroff@fffffd10 { atmel,wakeup-counter = <10>; atmel,wakeup-rtt-timer; }; From patchwork Wed May 24 12:35:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13253915 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 52E14C77B73 for ; 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24 May 2023 05:35:48 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 24 May 2023 05:35:47 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Wed, 24 May 2023 05:35:44 -0700 From: Claudiu Beznea To: , , , , , CC: , , , , Claudiu Beznea Subject: [PATCH v2 2/4] dt-bindings: power: reset: atmel,at91sam9260-shdwc: convert to yaml Date: Wed, 24 May 2023 15:35:26 +0300 Message-ID: <20230524123528.439082-3-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230524123528.439082-1-claudiu.beznea@microchip.com> References: <20230524123528.439082-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230524_053549_763549_D2FA8A39 X-CRM114-Status: GOOD ( 14.63 ) 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 Convert Atmel shutdown controller to YAML. Signed-off-by: Claudiu Beznea Reviewed-by: Conor Dooley --- .../devicetree/bindings/arm/atmel-sysregs.txt | 31 ------- .../power/reset/atmel,at91sam9260-shdwc.yaml | 82 +++++++++++++++++++ 2 files changed, 82 insertions(+), 31 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index ab1b352344ae..e6b2fb291b45 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -52,37 +52,6 @@ Example: reg = <0xe3804000 0x1000>; }; -SHDWC Shutdown Controller - -required properties: -- compatible: Should be "atmel,-shdwc". - can be "at91sam9260", "at91sam9rl" or "at91sam9x5". -- reg: Should contain registers location and length -- clocks: phandle to input clock. - -optional properties: -- atmel,wakeup-mode: String, operation mode of the wakeup mode. - Supported values are: "none", "high", "low", "any". -- atmel,wakeup-counter: Counter on Wake-up 0 (between 0x0 and 0xf). - -optional at91sam9260 properties: -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -optional at91sam9rl properties: -- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -optional at91sam9x5 properties: -- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. - -Example: - - shdwc@fffffd10 { - compatible = "atmel,at91sam9260-shdwc"; - reg = <0xfffffd10 0x10>; - clocks = <&clk32k>; - }; - SHDWC SAMA5D2-Compatible Shutdown Controller 1) shdwc node diff --git a/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml b/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml new file mode 100644 index 000000000000..af7b76fe9648 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/atmel,at91sam9260-shdwc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel SHDWC Shutdown Controller + +maintainers: + - Claudiu Beznea + +description: + Atmel SHDWC shutdown controller controls the power supplies VDDIO and VDDCORE + and the wake-up detection on debounced input lines. + +properties: + compatible: + enum: + - atmel,at91sam9260-shdwc + - atmel,at91sam9rl-shdwc + - atmel,at91sam9x5-shdwc + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + atmel,wakeup-mode: + description: operation mode of the wakeup mode + $ref: /schemas/types.yaml#/definitions/string + enum: [ none, high, low, any ] + + atmel,wakeup-counter: + description: counter on wake-up 0 + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 15 + +required: + - compatible + - reg + - clocks + +allOf: + - if: + properties: + compatible: + contains: + enum: + - atmel,at91sam9260-shdwc + - atmel,at91sam9rl-shdwc + then: + properties: + atmel,wakeup-rtt-timer: + description: enable real-time timer wake-up + type: boolean + + - if: + properties: + compatible: + contains: + enum: + - atmel,at91sam9rl-shdwc + - atmel,at91sam9x5-shdwc + then: + properties: + atmel,wakeup-rtc-timer: + description: enable real-time clock wake-up + type: boolean + +unevaluatedProperties: false + +examples: + - | + shdwc: poweroff@fffffd10 { + compatible = "atmel,at91sam9260-shdwc"; + reg = <0xfffffd10 0x10>; + clocks = <&clk32k>; + }; + +... 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SAMA7G5 SHDWC DT node (available in arch/arm/boot/dts/sama7g5.dtsi) has syscon along with its compatible. There is no usage of this syscon in the current code but it may be necessary in future as some registers of SHDWC are accessed in different drivers (at91-sama5d2_shdwc.c and arch/arm/mach-at91/pm.c). Thus update the YAML with it to make DT checkers happy. Signed-off-by: Claudiu Beznea Reviewed-by: Conor Dooley --- .../devicetree/bindings/arm/atmel-sysregs.txt | 63 ---------- .../power/reset/atmel,sama5d2-shdwc.yaml | 115 ++++++++++++++++++ 2 files changed, 115 insertions(+), 63 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index e6b2fb291b45..67a66bf74895 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -52,69 +52,6 @@ Example: reg = <0xe3804000 0x1000>; }; -SHDWC SAMA5D2-Compatible Shutdown Controller - -1) shdwc node - -required properties: -- compatible: should be "atmel,sama5d2-shdwc", "microchip,sam9x60-shdwc" or - "microchip,sama7g5-shdwc" -- reg: should contain registers location and length -- clocks: phandle to input clock. -- #address-cells: should be one. The cell is the wake-up input index. -- #size-cells: should be zero. - -optional properties: - -- debounce-delay-us: minimum wake-up inputs debouncer period in - microseconds. It's usually a board-related property. -- atmel,wakeup-rtc-timer: boolean to enable Real-Time Clock wake-up. - -optional microchip,sam9x60-shdwc or microchip,sama7g5-shdwc properties: -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -The node contains child nodes for each wake-up input that the platform uses. - -2) input nodes - -Wake-up input nodes are usually described in the "board" part of the Device -Tree. Note also that input 0 is linked to the wake-up pin and is frequently -used. - -Required properties: -- reg: should contain the wake-up input index [0 - 15]. - -Optional properties: -- atmel,wakeup-active-high: boolean, the corresponding wake-up input described - by the child, forces the wake-up of the core power supply on a high level. - The default is to be active low. - -Example: - -On the SoC side: - shdwc@f8048010 { - compatible = "atmel,sama5d2-shdwc"; - reg = <0xf8048010 0x10>; - clocks = <&clk32k>; - #address-cells = <1>; - #size-cells = <0>; - atmel,wakeup-rtc-timer; - }; - -On the board side: - shdwc@f8048010 { - debounce-delay-us = <976>; - - input@0 { - reg = <0>; - }; - - input@1 { - reg = <1>; - atmel,wakeup-active-high; - }; - }; - Special Function Registers (SFR) Special Function Registers (SFR) manage specific aspects of the integrated diff --git a/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml new file mode 100644 index 000000000000..31a16a354a3a --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel SAMA5D2 SHDWC Shutdown Controller + +maintainers: + - Claudiu Beznea + +description: + Atmel SHDWC shutdown controller controls the power supplies VDDIO and VDDCORE + and the wake-up detection on debounced input lines. + +properties: + compatible: + oneOf: + - items: + - const: microchip,sama7g5-shdwc + - const: syscon + - items: + enum: + - atmel,sama5d2-shdwc + - microchip,sam9x60-shdwc + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + debounce-delay-us: + description: + Minimum wake-up inputs debouncer period in microseconds. It is usually a + board-related property. + + atmel,wakeup-rtc-timer: + description: enable real-time clock wake-up + type: boolean + +patternProperties: + "^input@[0-15]$": + description: + Wake-up input nodes. These are usually described in the "board" part of + the Device Tree. Note also that input 0 is linked to the wake-up pin and + is frequently used. + type: object + properties: + reg: + description: contains the wake-up input index + minimum: 0 + maximum: 15 + + atmel,wakeup-active-high: + description: + The corresponding wake-up input described by the child forces the + wake-up of the core power supply on a high level. The default is to + be active low. + type: boolean + + required: + - reg + + additionalProperties: false + +required: + - compatible + - reg + - clocks + +allOf: + - if: + properties: + compatible: + contains: + enum: + - microchip,sam9x60-shdwc + - microchip,sama7g5-shdwc + then: + properties: + atmel,wakeup-rtt-timer: + description: enable real-time timer wake-up + type: boolean + +unevaluatedProperties: false + +examples: + - | + shdwc: poweroff@f8048010 { + compatible = "atmel,sama5d2-shdwc"; + reg = <0xf8048010 0x10>; + clocks = <&clk32k>; + #address-cells = <1>; + #size-cells = <0>; + atmel,wakeup-rtc-timer; + debounce-delay-us = <976>; + + input@0 { + reg = <0>; + }; + + input@1 { + reg = <1>; + atmel,wakeup-active-high; + }; + }; + +... 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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 Add documentation file for SAMA5D2 shutdown controller. Signed-off-by: Claudiu Beznea --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index 74a6b6b13d84..cdf4b41cf62b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13811,6 +13811,7 @@ F: include/dt-bindings/iio/adc/at91-sama5d2_adc.h MICROCHIP SAMA5D2-COMPATIBLE SHUTDOWN CONTROLLER M: Claudiu Beznea S: Supported +F: Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml F: drivers/power/reset/at91-sama5d2_shdwc.c MICROCHIP SPI DRIVER