Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752525AbaBLKKN (ORCPT ); Wed, 12 Feb 2014 05:10:13 -0500 Received: from mail-we0-f178.google.com ([74.125.82.178]:56658 "EHLO mail-we0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752123AbaBLKKE (ORCPT ); Wed, 12 Feb 2014 05:10:04 -0500 From: Jean-Jacques Hiblot To: nicolas.ferre@atmel.com, plagnioj@jcrosoft.com, b.brezillon@overkiz.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, gregory.clement@free-electrons.com, Jean-Jacques Hiblot Subject: [PATCH v4 1/8] at91: dt: Adds support for the bus matrix declaration in the DT Date: Wed, 12 Feb 2014 11:06:40 +0100 Message-Id: <1392199607-27452-2-git-send-email-jjhiblot@traphandler.com> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1392199607-27452-1-git-send-email-jjhiblot@traphandler.com> References: <1392199607-27452-1-git-send-email-jjhiblot@traphandler.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Jean-Jacques Hiblot --- arch/arm/mach-at91/setup.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index f7ca97b..b8d0b66 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -487,6 +487,28 @@ end: of_node_put(np); } +static struct of_device_id matrix_ids[] = { + { .compatible = "atmel,at91sam9261-bus-matrix", }, + { /*sentinel*/ } +}; + +static void at91_dt_matrix(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, matrix_ids); + if (!np) { + pr_debug("AT91: unable to find compatible bus matrix controller node in dtb\n"); + return; + } + + at91_matrix_base = of_iomap(np, 0); + if (!at91_matrix_base) + panic("Impossible to ioremap at91_matrix_base\n"); + + of_node_put(np); +} + void __init at91rm9200_dt_initialize(void) { at91_dt_ramc(); @@ -506,6 +528,7 @@ void __init at91_dt_initialize(void) at91_dt_rstc(); at91_dt_ramc(); at91_dt_shdwc(); + at91_dt_matrix(); /* Init clock subsystem */ at91_dt_clock_init(); -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/