Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752733Ab2JHNw1 (ORCPT ); Mon, 8 Oct 2012 09:52:27 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:38661 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750933Ab2JHNwZ (ORCPT ); Mon, 8 Oct 2012 09:52:25 -0400 Date: Mon, 8 Oct 2012 09:53:08 -0400 From: Matt Porter To: Greg Kroah-Hartman , "Hans J. Koch" , Sekhar Nori Cc: Russell King , Linux Kernel Mailing List , Linux ARM Kernel List , Linux DaVinci Kernel List , Ben Gardiner Subject: [PATCH v5 5/7] ARM: davinci: da8xx: add DA850 PRUSS support Message-ID: <20121008135308.GR11149@beef> References: <1349456686-22736-1-git-send-email-mporter@ti.com> <1349456686-22736-6-git-send-email-mporter@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1349456686-22736-6-git-send-email-mporter@ti.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4669 Lines: 159 Adds PRUSS clock support and registration helper for the uio_pruss device. Signed-off-by: Matt Porter --- arch/arm/mach-davinci/da850.c | 7 +++ arch/arm/mach-davinci/devices-da8xx.c | 71 ++++++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/da8xx.h | 2 + 3 files changed, 80 insertions(+) diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index d8d69de..ebd7d6a 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -212,6 +212,12 @@ static struct clk tptc2_clk = { .flags = ALWAYS_ENABLED, }; +static struct clk pruss_clk = { + .name = "pruss", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_PRUSS, +}; + static struct clk uart0_clk = { .name = "uart0", .parent = &pll0_sysclk2, @@ -378,6 +384,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "tptc1", &tptc1_clk), CLK(NULL, "tpcc1", &tpcc1_clk), CLK(NULL, "tptc2", &tptc2_clk), + CLK("pruss_uio", "pruss", &pruss_clk), CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK(NULL, "uart2", &uart2_clk), diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index bd2f72b..36d09d7 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "clock.h" #include "asp.h" @@ -32,6 +33,7 @@ #define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */ #define DA8XX_I2C0_BASE 0x01c22000 #define DA8XX_RTC_BASE 0x01c23000 +#define DA8XX_PRUSS_MEM_BASE 0x01c30000 #define DA8XX_MMCSD0_BASE 0x01c40000 #define DA8XX_SPI0_BASE 0x01c41000 #define DA830_SPI1_BASE 0x01e12000 @@ -518,6 +520,75 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) } } +static struct resource da8xx_pruss_resources[] = { + { + .start = DA8XX_PRUSS_MEM_BASE, + .end = DA8XX_PRUSS_MEM_BASE + 0xFFFF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_EVTOUT0, + .end = IRQ_DA8XX_EVTOUT0, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT1, + .end = IRQ_DA8XX_EVTOUT1, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT2, + .end = IRQ_DA8XX_EVTOUT2, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT3, + .end = IRQ_DA8XX_EVTOUT3, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT4, + .end = IRQ_DA8XX_EVTOUT4, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT5, + .end = IRQ_DA8XX_EVTOUT5, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT6, + .end = IRQ_DA8XX_EVTOUT6, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT7, + .end = IRQ_DA8XX_EVTOUT7, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct uio_pruss_pdata da8xx_uio_pruss_pdata = { + .pintc_base = 0x4000, +}; + +static struct platform_device da8xx_uio_pruss_dev = { + .name = "pruss_uio", + .id = -1, + .num_resources = ARRAY_SIZE(da8xx_pruss_resources), + .resource = da8xx_pruss_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &da8xx_uio_pruss_pdata, + } +}; + +int __init da8xx_register_uio_pruss(void) +{ + da8xx_uio_pruss_pdata.sram_pool = sram_get_gen_pool(); + return platform_device_register(&da8xx_uio_pruss_dev); +} + static const struct display_panel disp_panel = { QVGA, 16, diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index 20553cf..9262821 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -25,6 +25,7 @@ #include #include #include +#include extern void __iomem *da8xx_syscfg0_base; extern void __iomem *da8xx_syscfg1_base; @@ -83,6 +84,7 @@ int da8xx_register_watchdog(void); int da8xx_register_usb20(unsigned mA, unsigned potpgt); int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata); int da8xx_register_emac(void); +int da8xx_register_uio_pruss(void); int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata); int da8xx_register_mmcsd0(struct davinci_mmc_config *config); int da850_register_mmcsd1(struct davinci_mmc_config *config); -- 1.7.9.5 -- 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/