From bf182bcc6e726cce2f02b699bd0fba787734554f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 5 Nov 2010 15:01:16 +0100 Subject: [PATCH] ARM: imx: dynamically allocate mxc_pwm devices MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Uwe Kleine-König --- arch/arm/mach-imx/devices.c | 19 ----------- arch/arm/mach-imx/devices.h | 1 - arch/arm/plat-mxc/devices/Kconfig | 3 ++ arch/arm/plat-mxc/devices/Makefile | 1 + arch/arm/plat-mxc/devices/platform-mxc_pwm.c | 45 +++++++++++++++++++++++++ arch/arm/plat-mxc/include/mach/devices-common.h | 7 ++++ 6 files changed, 56 insertions(+), 20 deletions(-) create mode 100644 arch/arm/plat-mxc/devices/platform-mxc_pwm.c diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c index d784564..9ee0e09 100644 --- a/arch/arm/mach-imx/devices.c +++ b/arch/arm/mach-imx/devices.c @@ -77,25 +77,6 @@ int __init imx1_register_gpios(void) #endif #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) -static struct resource mxc_pwm_resources[] = { - { - .start = MX2x_PWM_BASE_ADDR, - .end = MX2x_PWM_BASE_ADDR + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = MX2x_INT_PWM, - .end = MX2x_INT_PWM, - .flags = IORESOURCE_IRQ, - } -}; - -struct platform_device mxc_pwm_device = { - .name = "mxc_pwm", - .id = 0, - .num_resources = ARRAY_SIZE(mxc_pwm_resources), - .resource = mxc_pwm_resources, -}; - #define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq) \ static struct resource mxc_sdhc_resources ## n[] = { \ { \ diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h index 407e90a..1ba5042 100644 --- a/arch/arm/mach-imx/devices.h +++ b/arch/arm/mach-imx/devices.h @@ -1,5 +1,4 @@ #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) -extern struct platform_device mxc_pwm_device; extern struct platform_device mxc_sdhc_device0; extern struct platform_device mxc_sdhc_device1; extern struct platform_device mxc_otg_udc_device; diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig index 2542371..2ded17b 100644 --- a/arch/arm/plat-mxc/devices/Kconfig +++ b/arch/arm/plat-mxc/devices/Kconfig @@ -40,6 +40,9 @@ config IMX_HAVE_PLATFORM_MX2_CAMERA config IMX_HAVE_PLATFORM_MXC_NAND bool +config IMX_HAVE_PLATFORM_MXC_PWM + bool + config IMX_HAVE_PLATFORM_MXC_W1 bool diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile index d3f845e..8ecd974 100644 --- a/arch/arm/plat-mxc/devices/Makefile +++ b/arch/arm/plat-mxc/devices/Makefile @@ -12,5 +12,6 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o obj-$(CONFIG_IMX_HAVE_PLATFORM_MX1_CAMERA) += platform-mx1-camera.o obj-$(CONFIG_IMX_HAVE_PLATFORM_MX2_CAMERA) += platform-mx2-camera.o obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o +obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_PWM) += platform-mxc_pwm.o obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) += platform-spi_imx.o diff --git a/arch/arm/plat-mxc/devices/platform-mxc_pwm.c b/arch/arm/plat-mxc/devices/platform-mxc_pwm.c new file mode 100644 index 0000000..3ebbc67 --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-mxc_pwm.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2009-2010 Pengutronix + * Uwe Kleine-Koenig + * + * 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 + +#define imx_mxc_pwm_data_entry_single(soc) \ + { \ + .iobase = soc ## _PWM_BASE_ADDR, \ + .irq = soc ## _INT_PWM, \ + } + +#ifdef CONFIG_SOC_IMX21 +const struct imx_mxc_pwm_data imx21_mxc_pwm_data __initconst = + imx_mxc_pwm_data_entry_single(MX21); +#endif /* ifdef CONFIG_SOC_IMX21 */ + +#ifdef CONFIG_SOC_IMX27 +const struct imx_mxc_pwm_data imx27_mxc_pwm_data __initconst = + imx_mxc_pwm_data_entry_single(MX27); +#endif /* ifdef CONFIG_SOC_IMX27 */ + +struct platform_device *__init imx_add_mxc_pwm( + const struct imx_mxc_pwm_data *data) +{ + struct resource res[] = { + { + .start = data->iobase, + .end = data->iobase + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = data->irq, + .end = data->irq, + .flags = IORESOURCE_IRQ, + }, + }; + + return imx_add_platform_device("mxc_pwm", 0, + res, ARRAY_SIZE(res), NULL, 0); +} diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h index b1d7656..e241e41 100644 --- a/arch/arm/plat-mxc/include/mach/devices-common.h +++ b/arch/arm/plat-mxc/include/mach/devices-common.h @@ -168,6 +168,13 @@ struct platform_device *__init imx_add_mxc_nand( const struct imx_mxc_nand_data *data, const struct mxc_nand_platform_data *pdata); +struct imx_mxc_pwm_data { + resource_size_t iobase; + resource_size_t irq; +}; +struct platform_device *__init imx_add_mxc_pwm( + const struct imx_mxc_pwm_data *data); + struct imx_mxc_w1_data { resource_size_t iobase; }; -- 2.7.4