From patchwork Tue Mar 2 10:28:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 1446284 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; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=microchip.com header.i=@microchip.com header.a=rsa-sha256 header.s=mchp header.b=Fmh4a39c; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DqqR04wJgz9sS8 for ; Wed, 3 Mar 2021 08:05:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343767AbhCBUDI (ORCPT ); Tue, 2 Mar 2021 15:03:08 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:48362 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382323AbhCBKbP (ORCPT ); Tue, 2 Mar 2021 05:31:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1614681053; x=1646217053; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=BzCMYxPDMNs+TrnvwJzb5+Z9IhuKZjZB5Ja/IaNeADw=; b=Fmh4a39cZyaZR74Kj9ohvQ1Lxk3/KzqaFf6QXtdns+Bb7X5lRag8kU5P stCuw9GLycbt5crLX12vH2obehr+Bd2pAaXfrfeKLhwLeRSlXiKKnixiA pU/0Sm8UznaXoAXPzK26QbJeImofDfGctDK5M6q4+/qqZxrdiEg+Nm8ac wis3Wn7KbJLMgmAifW5rouZ7nFmQsIxlvqxV7OfGxa0xSt3L8zfWpAb7k 7aVhB0sxy/7t6CxuOG2I+GrJOlGvlvG+xg7+1y115ljUvNsAG1KJWa+n7 mxXT4geh86ti39bNs3h1UwxbOegM+O+gknxlGcKXMbhVXwgdl27iioshv g==; IronPort-SDR: UJ1EvvBJaloGn/vIX5DoifGEyptYWTD+mUU2fD4NsF6zCdc4M6XBU3lhpt0/QFDHuiVgRDoaon f4PXXVsz6b/CxZScOeLJhE2FpyHrUwsLTJWEIkfuSunmmuH1C4E5o7Hb96TK0j/BSIKgwei+yv bqyYp2DlKEhm2d4wmbMGT98Vd4VIqd35wBZggyCycq22iVkh8Hc8wYpUKLjXKo3ueOI8mJyo8C /aXSBhveU5HaUmDf7GKWsm4oGkVRC8hBgUj0aXoN4pjErphyh51rVmI4nGnNYrWbUBD8+X4sJT Yp0= X-IronPort-AV: E=Sophos;i="5.81,216,1610434800"; d="scan'208";a="117184912" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 02 Mar 2021 03:29:17 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) 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 15.1.1979.3; Tue, 2 Mar 2021 03:29:17 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Tue, 2 Mar 2021 03:29:13 -0700 From: Claudiu Beznea To: , , CC: , , , , Claudiu Beznea Subject: [PATCH 0/2] irqchip/mchp-eic: add driver for Microchip EIC Date: Tue, 2 Mar 2021 12:28:44 +0200 Message-ID: <20210302102846.619980-1-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi, This patch adds support for Microchip External Interrupt Controller present on SAMA7G5. The controller supports for 2 external interrupt lines, glitch filter capabilities and is connected to GIC as follows: pinX +------+ EXT_IRQ0 +------+ int 153 (for pinX) +------+ ------>| |--------->| |------------------->| | pinY | PIO | EXT_IRQ1 | EIC | int 154 (for pinY) | GIC | ------>| |--------->| |------------------->| | +------+ +------+ +------+ where PIO is the pin controller. Thank you, Claudiu Beznea Claudiu Beznea (2): dt-bindings: mchp-eic: add bindings irqchip/mchp-eic: add support .../interrupt-controller/mchp,eic.yaml | 74 ++++ MAINTAINERS | 6 + drivers/irqchip/Kconfig | 7 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-mchp-eic.c | 350 ++++++++++++++++++ 5 files changed, 438 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mchp,eic.yaml create mode 100644 drivers/irqchip/irq-mchp-eic.c