From patchwork Mon Jun 21 05:16:00 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 107125 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o5L5GtEn009185 for ; Mon, 21 Jun 2010 05:16:55 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752618Ab0FUFQx (ORCPT ); Mon, 21 Jun 2010 01:16:53 -0400 Received: from tango.tkos.co.il ([62.219.50.35]:35012 "EHLO tango.tkos.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752513Ab0FUFQx (ORCPT ); Mon, 21 Jun 2010 01:16:53 -0400 Received: from jasper (89-139-13-28.bb.netvision.net.il [89.139.13.28]) (authenticated bits=0) by tango.tkos.co.il (8.14.4/8.12.11) with ESMTP id o5L5GP4E031452; Mon, 21 Jun 2010 08:16:42 +0300 From: Baruch Siach To: Linux Media Mailing List Cc: Guennadi Liakhovetski , Sascha Hauer , linux-arm-kernel@lists.infradead.org, Baruch Siach Subject: [PATCHv4 3/3] mx25: add support for the CSI device Date: Mon, 21 Jun 2010 08:16:00 +0300 Message-Id: <36c9db771cd895d7bbfe422fbd910dc9bf211219.1277096909.git.baruch@tkos.co.il> X-Mailer: git-send-email 1.7.1 In-Reply-To: References: X-Spam-Level: -2.212 () BAYES_00,RDNS_DYNAMIC X-Scanned-By: MIMEDefang 2.62 on 62.219.50.35 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 21 Jun 2010 05:16:55 +0000 (UTC) diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 1550149..7a98d18 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -129,6 +129,11 @@ static unsigned long get_rate_lcdc(struct clk *clk) return get_rate_per(7); } +static unsigned long get_rate_csi(struct clk *clk) +{ + return get_rate_per(0); +} + static unsigned long get_rate_otg(struct clk *clk) { return 48000000; /* FIXME */ @@ -174,6 +179,8 @@ DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL, NULL, NULL); DEFINE_CLOCK(lcdc_ahb_clk, 0, CCM_CGCR0, 24, NULL, NULL, NULL); DEFINE_CLOCK(lcdc_per_clk, 0, CCM_CGCR0, 7, NULL, NULL, &lcdc_ahb_clk); +DEFINE_CLOCK(csi_ahb_clk, 0, CCM_CGCR0, 18, get_rate_csi, NULL, NULL); +DEFINE_CLOCK(csi_per_clk, 0, CCM_CGCR0, 0, get_rate_csi, NULL, &csi_ahb_clk); DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk); DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk); DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk); @@ -191,6 +198,7 @@ DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL); DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk); DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1, 8, get_rate_ipg, NULL, NULL); DEFINE_CLOCK(lcdc_clk, 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk); +DEFINE_CLOCK(csi_clk, 0, CCM_CGCR1, 4, get_rate_csi, NULL, &csi_per_clk); #define _REGISTER_CLOCK(d, n, c) \ { \ @@ -225,6 +233,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk) _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) + _REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk) }; int __init mx25_clocks_init(void) @@ -239,8 +248,9 @@ int __init mx25_clocks_init(void) __raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1); __raw_writel((1 << 5), CRM_BASE + CCM_CGCR2); - /* Clock source for lcdc is upll */ - __raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7), CRM_BASE + 0x64); + /* Clock source for lcdc and csi is upll */ + __raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7) | (1 << 0), + CRM_BASE + 0x64); mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c index 3a405fa..cbecbe1 100644 --- a/arch/arm/mach-mx25/devices.c +++ b/arch/arm/mach-mx25/devices.c @@ -515,3 +515,25 @@ struct platform_device mxc_wdt = { .num_resources = ARRAY_SIZE(mxc_wdt_resources), .resource = mxc_wdt_resources, }; + +static struct resource mx25_csi_resources[] = { + { + .start = MX25_CSI_BASE_ADDR, + .end = MX25_CSI_BASE_ADDR + 0xfff, + .flags = IORESOURCE_MEM, + }, + { + .start = MX25_INT_CSI, + .flags = IORESOURCE_IRQ + }, +}; + +struct platform_device mx25_csi_device = { + .name = "mx2-camera", + .id = 0, + .num_resources = ARRAY_SIZE(mx25_csi_resources), + .resource = mx25_csi_resources, + .dev = { + .coherent_dma_mask = 0xFFFFFFFF, + }, +}; diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h index cee12c0..b46f122 100644 --- a/arch/arm/mach-mx25/devices.h +++ b/arch/arm/mach-mx25/devices.h @@ -22,3 +22,4 @@ extern struct platform_device mxc_nand_device; extern struct platform_device mx25_rtc_device; extern struct platform_device mx25_fb_device; extern struct platform_device mxc_wdt; +extern struct platform_device mx25_csi_device; diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h index 4eb6e33..5e6a8b5 100644 --- a/arch/arm/plat-mxc/include/mach/mx25.h +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -34,11 +34,13 @@ #define MX25_NFC_BASE_ADDR 0xbb000000 #define MX25_DRYICE_BASE_ADDR 0x53ffc000 #define MX25_LCDC_BASE_ADDR 0x53fbc000 +#define MX25_CSI_BASE_ADDR 0x53ff8000 #define MX25_INT_DRYICE 25 #define MX25_INT_FEC 57 #define MX25_INT_NANDFC 33 #define MX25_INT_LCDC 39 +#define MX25_INT_CSI 17 #if defined(IMX_NEEDS_DEPRECATED_SYMBOLS) #define UART1_BASE_ADDR MX25_UART1_BASE_ADDR