Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932975AbbBJN7T (ORCPT ); Tue, 10 Feb 2015 08:59:19 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:55025 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932574AbbBJN7R (ORCPT ); Tue, 10 Feb 2015 08:59:17 -0500 From: Peter Ujfalusi To: , CC: , Subject: [PATCH 4/7] ARM: davinci: devices-da8xx: Add support for McASP2 on da830 Date: Tue, 10 Feb 2015 15:58:40 +0200 Message-ID: <1423576723-24375-5-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.3.0 In-Reply-To: <1423576723-24375-1-git-send-email-peter.ujfalusi@ti.com> References: <1423576723-24375-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2868 Lines: 100 da830 has three McASP blocks. Signed-off-by: Peter Ujfalusi --- arch/arm/mach-davinci/asp.h | 7 ++++++ arch/arm/mach-davinci/devices-da8xx.c | 41 +++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm/mach-davinci/asp.h b/arch/arm/mach-davinci/asp.h index d9b2acd12393..1128e1d8e4b4 100644 --- a/arch/arm/mach-davinci/asp.h +++ b/arch/arm/mach-davinci/asp.h @@ -21,6 +21,9 @@ /* Bases of da830 McASP1 register banks */ #define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000 +/* Bases of da830 McASP2 register banks */ +#define DAVINCI_DA830_MCASP2_REG_BASE 0x01D08000 + /* EDMA channels of dm644x and dm355 */ #define DAVINCI_DMA_ASP0_TX 2 #define DAVINCI_DMA_ASP0_RX 3 @@ -40,6 +43,10 @@ #define DAVINCI_DA830_DMA_MCASP1_AREVT 2 #define DAVINCI_DA830_DMA_MCASP1_AXEVT 3 +/* EDMA channels of da830 McASP2 */ +#define DAVINCI_DA830_DMA_MCASP2_AREVT 4 +#define DAVINCI_DA830_DMA_MCASP2_AXEVT 5 + /* Interrupts */ #define DAVINCI_ASP0_RX_INT IRQ_MBRINT #define DAVINCI_ASP0_TX_INT IRQ_MBXINT diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index fdc3219ba684..ddfdd820e6f2 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -489,6 +489,41 @@ static struct platform_device da830_mcasp1_device = { .resource = da830_mcasp1_resources, }; +static struct resource da830_mcasp2_resources[] = { + { + .name = "mpu", + .start = DAVINCI_DA830_MCASP2_REG_BASE, + .end = DAVINCI_DA830_MCASP2_REG_BASE + (SZ_1K * 12) - 1, + .flags = IORESOURCE_MEM, + }, + /* TX event */ + { + .name = "tx", + .start = DAVINCI_DA830_DMA_MCASP2_AXEVT, + .end = DAVINCI_DA830_DMA_MCASP2_AXEVT, + .flags = IORESOURCE_DMA, + }, + /* RX event */ + { + .name = "rx", + .start = DAVINCI_DA830_DMA_MCASP2_AREVT, + .end = DAVINCI_DA830_DMA_MCASP2_AREVT, + .flags = IORESOURCE_DMA, + }, + { + .name = "common", + .start = IRQ_DA8XX_MCASPINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device da830_mcasp2_device = { + .name = "davinci-mcasp", + .id = 2, + .num_resources = ARRAY_SIZE(da830_mcasp2_resources), + .resource = da830_mcasp2_resources, +}; + static struct resource da850_mcasp_resources[] = { { .name = "mpu", @@ -539,6 +574,12 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) return; pdev = &da830_mcasp1_device; break; + case 2: + /* Valid for DA830/OMAP-L137 only */ + if (!cpu_is_davinci_da830()) + return; + pdev = &da830_mcasp2_device; + break; default: return; } -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/