From patchwork Fri Sep 10 06:06:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 1526373 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org 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=loJqPfLT; dkim-atps=neutral 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=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4H5QS66VMHz9ssP for ; Fri, 10 Sep 2021 16:09:10 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230429AbhIJGKT (ORCPT ); Fri, 10 Sep 2021 02:10:19 -0400 Received: from esa.microchip.iphmx.com ([68.232.154.123]:9475 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230417AbhIJGKS (ORCPT ); Fri, 10 Sep 2021 02:10:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1631254148; x=1662790148; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=rMISBhDoirXhSZzIMJvsSzelGB83Eh0UtdpXSnUSB5k=; b=loJqPfLTs09B5EeOAE+SKIeNflburkQyxwLcUxdyLLSQq5J9sNkcMt7p /o59FIqbYawHvv5NJJReqUzBYVHdWAcd+MTqMHZjv4ZZ+dqQ5v6dQbDEG iG1fc9EOTLpeFoUr3n3WzvJBvk/mnFgbFRodt9+enXUk8byHawSmV/NQ+ 7bC09PhR2gnD4Jry1gAemAlucLKf0KtWs1aVxTJn4Vt0mKP87foOqS/c7 OtAANyYAHS9a5Ydgmil0jA1WWz0FTsV+j7JDGdD8W9rGk3oCTqWJqSt+l GbeA8a3v84xQ2vJ0BRPd4ihSqgG0YUS9Ho4hu2Cun3/PmrhQtO5bVyFaL w==; IronPort-SDR: hJX4tHPpMy6RHIXo7Q7AzwVwbNShvcROajRz4d4BPnP91LAa0VQH+iFK/NXkLUAnS+smOHbM+M CM0d1OUrKlPowCrzrDUZCH7q1wc/jHQ6OXT+Ajsdwk5xBN60IgT6xqskRPyqci1j5uRHVHllCz X4uNEHUA9dNiGd4aj2KiTGd95Agk9qg0VHiA+Ppiokb7rGvjeEwvcrwfcgwEJSBW+Wr1UfjRpX LL6LT19T0hPUCfxNO+k6eXE/bpKk41W0/67UQgMJVNCRFR1nL6wNXB89jirI8BdhOeHWvhUJFK 2WQKlJ0GkuWpYRAImV23z05J X-IronPort-AV: E=Sophos;i="5.85,282,1624345200"; d="scan'208";a="68849088" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 09 Sep 2021 23:09:07 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Thu, 9 Sep 2021 23:09:07 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Thu, 9 Sep 2021 23:09:03 -0700 From: Claudiu Beznea To: , , CC: , , , Claudiu Beznea Subject: [PATCH v3 0/2] irqchip/mchp-eic: add driver for Microchip EIC Date: Fri, 10 Sep 2021 09:06:54 +0300 Message-ID: <20210910060656.1061234-1-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 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 Changes in v2: - fix compilation warning on bindings Changes in v2: - s/mchp/microchip in bindings - get rid of glitch filter settings - use s/eic@/interrupt-controller@ in bindings - removed '' around interrupts in bindings as proposed by Rob - removed glitch filter settings - switched to hierarchical irqchip driver - addressed review comments - use builtin_platform_driver instead of module_platform_driver Claudiu Beznea (2): dt-bindings: microchip,eic: add bindings irqchip/mchp-eic: add support .../interrupt-controller/microchip,eic.yaml | 73 ++++ MAINTAINERS | 6 + drivers/irqchip/Kconfig | 8 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-mchp-eic.c | 314 ++++++++++++++++++ 5 files changed, 402 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml create mode 100644 drivers/irqchip/irq-mchp-eic.c