From patchwork Tue Jun 25 14:21:50 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: 2776981 Return-Path: X-Original-To: patchwork-linux-fbdev@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 BA1BA9F755 for ; Tue, 25 Jun 2013 14:23:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 73F412026F for ; Tue, 25 Jun 2013 14:23:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AED6F20278 for ; Tue, 25 Jun 2013 14:23:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751479Ab3FYOW6 (ORCPT ); Tue, 25 Jun 2013 10:22:58 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:37404 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751059Ab3FYOW4 (ORCPT ); Tue, 25 Jun 2013 10:22:56 -0400 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MOY00GDIDA7YX70@mailout1.samsung.com>; Tue, 25 Jun 2013 23:22:55 +0900 (KST) X-AuditID: cbfee61a-b7f3b6d000006edd-04-51c9a7bf70ba Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id EE.20.28381.FB7A9C15; Tue, 25 Jun 2013 23:22:55 +0900 (KST) Received: from amdc1344.digital.local ([106.116.147.32]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MOY00ISLD8IH350@mmp1.samsung.com>; Tue, 25 Jun 2013 23:22:55 +0900 (KST) From: Sylwester Nawrocki To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Cc: kishon@ti.com, linux-media@vger.kernel.org, kyungmin.park@samsung.com, balbi@ti.com, t.figa@samsung.com, devicetree-discuss@lists.ozlabs.org, kgene.kim@samsung.com, dh09.lee@samsung.com, jg1.han@samsung.com, inki.dae@samsung.com, plagnioj@jcrosoft.com, linux-fbdev@vger.kernel.org, Sylwester Nawrocki Subject: [PATCH v2 5/5] ARM: Samsung: Remove MIPI PHY setup code Date: Tue, 25 Jun 2013 16:21:50 +0200 Message-id: <1372170110-12993-5-git-send-email-s.nawrocki@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1372170110-12993-1-git-send-email-s.nawrocki@samsung.com> References: <1372170110-12993-1-git-send-email-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDLMWRmVeSWpSXmKPExsVy+t9jAd39y08GGpz6zm9x8H69xYHZD1kt rp+3s5h0fwKLxeWFl1gtehdcZbO48LSHzeJs0xt2i02Pr7FanOj7wGrRs2Erq8WM8/uYLNY9 fMFkcfhNO6vF+hmvWRz4PV5duMPisXlJvcf5GQsZPfq2rGL0OH5jO5PH501yAWxRXDYpqTmZ ZalF+nYJXBl72rqYCmaqVzR+O8LUwPhMoYuRk0NCwETi+baDLBC2mMSFe+vZuhi5OIQEFjFK 7P74iAnC6WCSeL/1AyNIFZuAoUTv0T4gm4NDRMBbYvk1RZAaZoGLTBKn975jA4kLCzhIHG7h ASlnEVCVmHFjBhOIzSvgJjH71EoWkBIJAQWJOZNsQMKcAu4S648uBbtBCKjkyox5LBMYeRcw MqxiFE0tSC4oTkrPNdQrTswtLs1L10vOz93ECA7TZ1I7GFc2WBxiFOBgVOLhjdx1IlCINbGs uDL3EKMEB7OSCO+hrJOBQrwpiZVVqUX58UWlOanFhxilOViUxHkPtFoHCgmkJ5akZqemFqQW wWSZODilGhjV+M1ctBRXLX3JV3Uyc8JDiQvu/y+bNuxi1Yxje+m9JSxlesvGeqWNUeuCbQpY Ey8/Wal78m+rk0EYJ49aToBY/cZ9yXcdLwr5uL91NrXs53ugJfj715vNnrNisroXPJpyV1Tc 45TVlIOMd35UHWHoLrvtpnNys2v6o0i7X48mf7v5/XEc/1clluKMREMt5qLiRAAhSSU0TwIA AA== Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-8.2 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 Acked-by: Felipe Balbi --- Changes since v1: - removed S5P_SETUP_MIPIPHY symbol completely from arch/arm/plat-samsung/Kconfig --- arch/arm/mach-exynos/include/mach/regs-pmu.h | 5 -- arch/arm/mach-s5pv210/include/mach/regs-clock.h | 4 -- arch/arm/plat-samsung/Kconfig | 5 -- arch/arm/plat-samsung/Makefile | 1 - arch/arm/plat-samsung/setup-mipiphy.c | 60 ----------------------- 5 files changed, 75 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 57344b7..2cdb63e 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/Kconfig b/arch/arm/plat-samsung/Kconfig index b21d9d5..60f6337 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -388,11 +388,6 @@ config S3C24XX_PWM Support for exporting the PWM timer blocks via the pwm device system -config S5P_SETUP_MIPIPHY - bool - help - Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices - config S3C_SETUP_CAMIF bool help diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 5d7f839..0db786e 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -38,7 +38,6 @@ 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);