From patchwork Wed Oct 26 03:06:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9395879 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1C93B60235 for ; Wed, 26 Oct 2016 03:09:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0F495293DF for ; Wed, 26 Oct 2016 03:09:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F41712975C; Wed, 26 Oct 2016 03:09:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=unavailable version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id CC5D7293DF for ; Wed, 26 Oct 2016 03:09:46 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bzEZg-00078V-8l; Wed, 26 Oct 2016 03:08:20 +0000 Received: from vern.gendns.com ([206.190.152.46]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bzEYx-0006tJ-B1 for linux-arm-kernel@lists.infradead.org; Wed, 26 Oct 2016 03:07:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=1XBpPCXwDKvyrom37VBWA8kuYiRlepGSK3nTt4nWS3I=; b=r/tQbvmvSAB0ObW1oeHmCMBNU 7y3yNpUgcq7W7e8F37vWVuUNWgCkyMulRPRaW1vmGQGJrGTTv+m4DiWPr0jddcJX1aU2kFTMfxj+V aF96zc7jAtbmqpqlWyOMHMsbMU4kUVcUfHC0QUfZMPEWJzkyypC77zRse48UnxyAm7AT8WuftfAGz XgesgYhkuDmy3+eM+v+ZAqoc0IXEIWaYEsjB31kV/rkGrDLLg6/7uJ+3b/bElW75CPfVrzknmpGUQ tooPlVkqFdPijLUG5jWLHOZ6els9IkguYcfuFzhR1p1qyF8Pesm5JWOqmPjSxCPlgFQyyyt7h1coA AVVeQ4c0Q==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:48228 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.87) (envelope-from ) id 1bzEYa-002C1J-Or; Tue, 25 Oct 2016 23:07:12 -0400 From: David Lechner To: Sekhar Nori , Kevin Hilman , Rob Herring , Mark Rutland Subject: [PATCH v6 2/5] ARM: davinci: da8xx: Add CFGCHIP syscon platform declaration. Date: Tue, 25 Oct 2016 22:06:48 -0500 Message-Id: <1477451211-31979-3-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1477451211-31979-1-git-send-email-david@lechnology.com> References: <1477451211-31979-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161025_200735_509035_BEEE0FB2 X-CRM114-Status: GOOD ( 10.84 ) 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: devicetree@vger.kernel.org, David Lechner , Sergei Shtylyov , linux-kernel@vger.kernel.org, Axel Haslam , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The CFGCHIP registers are used by a number of devices, so using a syscon device to share them. The first consumer of this will by the phy-da8xx-usb driver. Signed-off-by: David Lechner Signed-off-by: David Lechner Signed-off-by: Sekhar Nori --- syscon device id is changed to -1 since there is only one syscon device. arch/arm/mach-davinci/board-da830-evm.c | 4 ++++ arch/arm/mach-davinci/board-da850-evm.c | 4 ++++ arch/arm/mach-davinci/board-mityomapl138.c | 4 ++++ arch/arm/mach-davinci/board-omapl138-hawk.c | 4 ++++ arch/arm/mach-davinci/devices-da8xx.c | 28 ++++++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/da8xx.h | 2 ++ 6 files changed, 46 insertions(+) diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index 605d444..3051cb6 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -586,6 +586,10 @@ static __init void da830_evm_init(void) struct davinci_soc_info *soc_info = &davinci_soc_info; int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da830_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 8e4539f..ec5cb10 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -1345,6 +1345,10 @@ static __init void da850_evm_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da850_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index bc4e63f..1a6d430 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -514,6 +514,10 @@ static void __init mityomapl138_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + /* for now, no special EDMA channels are reserved */ ret = da850_register_edma(NULL); if (ret) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index d4930b6..8691a25 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -294,6 +294,10 @@ static __init void omapl138_hawk_init(void) { int ret; + ret = da8xx_register_cfgchip(); + if (ret) + pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret); + ret = da850_register_gpio(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index add3771..31a99db 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ #include +#include #include #include #include @@ -1089,3 +1090,30 @@ int __init da850_register_sata(unsigned long refclkpn) return platform_device_register(&da850_sata_device); } #endif + +static struct syscon_platform_data da8xx_cfgchip_platform_data = { + .label = "cfgchip", +}; + +static struct resource da8xx_cfgchip_resources[] = { + { + .start = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP0_REG, + .end = DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP4_REG + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da8xx_cfgchip_device = { + .name = "syscon", + .id = -1, + .dev = { + .platform_data = &da8xx_cfgchip_platform_data, + }, + .num_resources = ARRAY_SIZE(da8xx_cfgchip_resources), + .resource = da8xx_cfgchip_resources, +}; + +int __init da8xx_register_cfgchip(void) +{ + return platform_device_register(&da8xx_cfgchip_device); +} diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index c367530..c32444b 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -61,6 +61,7 @@ extern unsigned int da850_max_speed; #define DA8XX_CFGCHIP1_REG 0x180 #define DA8XX_CFGCHIP2_REG 0x184 #define DA8XX_CFGCHIP3_REG 0x188 +#define DA8XX_CFGCHIP4_REG 0x18c #define DA8XX_SYSCFG1_BASE (IO_PHYS + 0x22C000) #define DA8XX_SYSCFG1_VIRT(x) (da8xx_syscfg1_base + (x)) @@ -116,6 +117,7 @@ void da8xx_rproc_reserve_cma(void); int da8xx_register_rproc(void); int da850_register_gpio(void); int da830_register_gpio(void); +int da8xx_register_cfgchip(void); extern struct platform_device da8xx_serial_device[]; extern struct emac_platform_data da8xx_emac_pdata;