From patchwork Fri Jun 14 17:45:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sylwester Nawrocki/Kernel \\(PLT\\) /SRPOL/Staff Engineer/Samsung Electronics" X-Patchwork-Id: 2722811 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4D8409F96D for ; Fri, 14 Jun 2013 17:49:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58C6820368 for ; Fri, 14 Jun 2013 17:49:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D4ED20366 for ; Fri, 14 Jun 2013 17:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753236Ab3FNRtN (ORCPT ); Fri, 14 Jun 2013 13:49:13 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:29803 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753387Ab3FNRtM (ORCPT ); Fri, 14 Jun 2013 13:49:12 -0400 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MOE002TE9HZ9M60@mailout4.samsung.com>; Sat, 15 Jun 2013 02:49:11 +0900 (KST) X-AuditID: cbfee61a-b7f3b6d000006edd-39-51bb5797e38d Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 98.FC.28381.7975BB15; Sat, 15 Jun 2013 02:49:11 +0900 (KST) Received: from amdc1344.digital.local ([106.116.147.32]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MOE00L589D10O50@mmp2.samsung.com>; Sat, 15 Jun 2013 02:49:11 +0900 (KST) From: Sylwester Nawrocki To: kishon@ti.com Cc: linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org, kyungmin.park@samsung.com, sw0312.kim@samsung.com, devicetree-discuss@lists.ozlabs.org, kgene.kim@samsung.com, dh09.lee@samsung.com, jg1.han@samsung.com, linux-fbdev@vger.kernel.org, Sylwester Nawrocki Subject: [RFC PATCH 5/5] ARM: Samsung: Remove MIPI PHY setup code Date: Fri, 14 Jun 2013 19:45:51 +0200 Message-id: <1371231951-1969-6-git-send-email-s.nawrocki@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1371231951-1969-1-git-send-email-s.nawrocki@samsung.com> References: <1371231951-1969-1-git-send-email-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJLMWRmVeSWpSXmKPExsVy+t9jQd3p4bsDDRZOV7I4MPshq8X183YW lxdeYrXoXXCVzeLC0x42i7NNb9gtNj2+xmpxou8Dq0XPhq2sFjPO72OyOPymHcia/JLNgcdj 85J6j/MzFjJ69G1Zxehx/MZ2Jo/Pm+QCWKO4bFJSczLLUov07RK4Mt5uOcNasFCp4usJzwbG DzJdjJwcEgImEneufGCDsMUkLtxbD2RzcQgJTGeUaDmzkgXC6WCSeLXrJDtIFZuAoUTv0T7G LkYODhEBQYlPnxhBapgFrjBJdN3awAxSIyzgKNHbtJwRxGYRUJWY+PQAK4jNK+AqsWDNGyaQ XgkBBYk5k2xAwpwCbhLrm06AjRcCKmncuJR5AiPvAkaGVYyiqQXJBcVJ6bmGesWJucWleel6 yfm5mxjBAfhMagfjygaLQ4wCHIxKPLwT1HYHCrEmlhVX5h5ilOBgVhLhvasKFOJNSaysSi3K jy8qzUktPsQozcGiJM57oNU6UEggPbEkNTs1tSC1CCbLxMEp1cBoxVDpweYUl7Vh69JIJu0m Y2WmbWmzE5zi3j24teh5/nwRUZn1Le18d7ZsWigi4n/wvdtnLRGbW/r/7e4/NdHke7dzSbzR lqwlFZfUeyIP6sy0uVxYWlaf+TdnZZHHoUcZx6WDOrdM4c1bkrP/XMEegcvltSf+LVM8cLV4 v83aFWLss5Q0rpUrsRRnJBpqMRcVJwIAstDi1TwCAAA= Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Generic PHY drivers are used to handle the MIPI CSIS and MIPI DSIM DPHYs so we can remove now unused code at arch/arm/plat-samsung. In case there is any board file for S5PV210 platforms using MIPI CSIS/DSIM (not any upstream currently) it should use the generic PHY API to bind the PHYs to respective PHY consumer drivers. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park --- arch/arm/mach-exynos/include/mach/regs-pmu.h | 5 -- arch/arm/mach-s5pv210/include/mach/regs-clock.h | 4 -- arch/arm/plat-samsung/Makefile | 1 - arch/arm/plat-samsung/setup-mipiphy.c | 60 ----------------------- 4 files changed, 70 deletions(-) delete mode 100644 arch/arm/plat-samsung/setup-mipiphy.c diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h index cf40b86..3820e39 100644 --- a/arch/arm/mach-exynos/include/mach/regs-pmu.h +++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h @@ -44,11 +44,6 @@ #define S5P_DAC_PHY_CONTROL S5P_PMUREG(0x070C) #define S5P_DAC_PHY_ENABLE (1 << 0) -#define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4) -#define S5P_MIPI_DPHY_ENABLE (1 << 0) -#define S5P_MIPI_DPHY_SRESETN (1 << 1) -#define S5P_MIPI_DPHY_MRESETN (1 << 2) - #define S5P_INFORM0 S5P_PMUREG(0x0800) #define S5P_INFORM1 S5P_PMUREG(0x0804) #define S5P_INFORM2 S5P_PMUREG(0x0808) diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h index 032de66..e345584 100644 --- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h +++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h @@ -147,10 +147,6 @@ #define S5P_HDMI_PHY_CONTROL S5P_CLKREG(0xE804) #define S5P_USB_PHY_CONTROL S5P_CLKREG(0xE80C) #define S5P_DAC_PHY_CONTROL S5P_CLKREG(0xE810) -#define S5P_MIPI_DPHY_CONTROL(x) S5P_CLKREG(0xE814) -#define S5P_MIPI_DPHY_ENABLE (1 << 0) -#define S5P_MIPI_DPHY_SRESETN (1 << 1) -#define S5P_MIPI_DPHY_MRESETN (1 << 2) #define S5P_INFORM0 S5P_CLKREG(0xF000) #define S5P_INFORM1 S5P_CLKREG(0xF004) diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index a23c460..5a15fae 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -41,7 +41,6 @@ obj-$(CONFIG_S5P_DEV_UART) += s5p-dev-uart.o obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o obj-$(CONFIG_S3C_SETUP_CAMIF) += setup-camif.o -obj-$(CONFIG_S5P_SETUP_MIPIPHY) += setup-mipiphy.o # DMA support diff --git a/arch/arm/plat-samsung/setup-mipiphy.c b/arch/arm/plat-samsung/setup-mipiphy.c deleted file mode 100644 index 66df315..0000000 --- a/arch/arm/plat-samsung/setup-mipiphy.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics Co., Ltd. - * - * S5P - Helper functions for MIPI-CSIS and MIPI-DSIM D-PHY control - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include -#include -#include - -static int __s5p_mipi_phy_control(int id, bool on, u32 reset) -{ - static DEFINE_SPINLOCK(lock); - void __iomem *addr; - unsigned long flags; - u32 cfg; - - id = max(0, id); - if (id > 1) - return -EINVAL; - - addr = S5P_MIPI_DPHY_CONTROL(id); - - spin_lock_irqsave(&lock, flags); - - cfg = __raw_readl(addr); - cfg = on ? (cfg | reset) : (cfg & ~reset); - __raw_writel(cfg, addr); - - if (on) { - cfg |= S5P_MIPI_DPHY_ENABLE; - } else if (!(cfg & (S5P_MIPI_DPHY_SRESETN | - S5P_MIPI_DPHY_MRESETN) & ~reset)) { - cfg &= ~S5P_MIPI_DPHY_ENABLE; - } - - __raw_writel(cfg, addr); - spin_unlock_irqrestore(&lock, flags); - - return 0; -} - -int s5p_csis_phy_enable(int id, bool on) -{ - return __s5p_mipi_phy_control(id, on, S5P_MIPI_DPHY_SRESETN); -} -EXPORT_SYMBOL(s5p_csis_phy_enable); - -int s5p_dsim_phy_enable(struct platform_device *pdev, bool on) -{ - return __s5p_mipi_phy_control(pdev->id, on, S5P_MIPI_DPHY_MRESETN); -} -EXPORT_SYMBOL(s5p_dsim_phy_enable);