From patchwork Fri Sep 4 09:41:46 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Sperl X-Patchwork-Id: 7121161 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 23B10BEEC1 for ; Fri, 4 Sep 2015 09:45:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4F18E2089A for ; Fri, 4 Sep 2015 09:45:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 791F320899 for ; Fri, 4 Sep 2015 09:45:06 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZXnWL-0003In-2B; Fri, 04 Sep 2015 09:42:57 +0000 Received: from 212-186-180-163.dynamic.surfer.at ([212.186.180.163] helo=cgate.sperl.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZXnW6-0002xT-7u; Fri, 04 Sep 2015 09:42:43 +0000 Received: from raspb.intern.sperl.org (account martin@sperl.org [10.10.10.32] verified) by sperl.org (CommuniGate Pro SMTP 6.1.2) with ESMTPSA id 6342738; Fri, 04 Sep 2015 09:42:13 +0000 From: kernel@martin.sperl.org To: Stephen Warren , Lee Jones , Russell King , Mark Brown , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 2/6] ARM: bcm2835: add DT for the bcm2835 auxiliar devices Date: Fri, 4 Sep 2015 09:41:46 +0000 Message-Id: <1441359711-2800-3-git-send-email-kernel@martin.sperl.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1441359711-2800-1-git-send-email-kernel@martin.sperl.org> References: <1441359711-2800-1-git-send-email-kernel@martin.sperl.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150904_024242_510437_EBA6FA1C X-CRM114-Status: UNSURE ( 9.27 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.9 (/) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Sperl MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Martin Sperl Add device tree definitions for auxiliar bcm2835 devices: * spi1 * spi2 * uart1 This also include a device to get used by the relevant device-drivers (via a shared register) to enable/disable the HW-block. The aux-interrupt-register (0x7e21500) is intentionally left out of scope, so that in the future it is still possible to implement a separate interrupt-driver - if deemed necessary. The spi (and also uart) drivers are able to use shared interrupts, so there is no real need for an interrupt driver. Signed-off-by: Martin Sperl --- arch/arm/boot/dts/bcm2835.dtsi | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) -- 1.7.10.4 diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi index 301c73f..4e6fc61 100644 --- a/arch/arm/boot/dts/bcm2835.dtsi +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -158,6 +158,43 @@ arm-pmu { compatible = "arm,arm1176-pmu"; }; + + aux_enable: aux_enable@0x7e215004 { + compatible = "brcm,bcm2835-aux"; + reg = <0x7e215004 0x04>; + #address-cells = <1>; + #size-cells = <0>; + }; + + uart1: uart@7e215040 { + compatible = "brcm,bcm2835-aux-uart"; + reg = <0x7e215040 0x40>; + interrupts = <1 29>; + brcm,aux-enable = <&aux_enable 1>; + status = "disabled"; + }; + + spi1: spi@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e215080 0x40>; + brcm,aux-enable = <&aux_enable 2>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + spi2: spi@7e2150c0 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e2150c0 0x40>; + brcm,aux-enable = <&aux_enable 4>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; clocks {