From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Wed, 9 Feb 2011 14:20:51 +0100 Subject: [PATCH 2/2] ARM i.MX23/28: Add framebuffer device support In-Reply-To: <1297257651-8002-1-git-send-email-s.hauer@pengutronix.de> References: <1297257651-8002-1-git-send-email-s.hauer@pengutronix.de> Message-ID: <1297257651-8002-3-git-send-email-s.hauer@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Sascha Hauer Cc: Shawn Guo --- arch/arm/mach-mxs/clock-mx23.c | 2 +- arch/arm/mach-mxs/clock-mx28.c | 1 + arch/arm/mach-mxs/devices-mx23.h | 4 ++ arch/arm/mach-mxs/devices-mx28.h | 4 ++ arch/arm/mach-mxs/devices/Kconfig | 4 ++ arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-mxsfb.c | 46 ++++++++++++++++++++++++++++ 7 files changed, 61 insertions(+), 1 deletions(-) create mode 100644 arch/arm/mach-mxs/devices/platform-mxsfb.c diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index ca72a05..bfc7f27 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -446,7 +446,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "hclk", hbus_clk) _REGISTER_CLOCK(NULL, "usb", usb_clk) _REGISTER_CLOCK(NULL, "audio", audio_clk) - _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk) }; static int clk_misc_init(void) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index fd1c4c5..6a7ebcb 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -620,6 +620,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "pwm", pwm_clk) _REGISTER_CLOCK(NULL, "lradc", lradc_clk) _REGISTER_CLOCK(NULL, "spdif", spdif_clk) + _REGISTER_CLOCK("imx28-fb", NULL, lcdif_clk) }; static int clk_misc_init(void) diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h index 1256788..b9745a2 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -10,7 +10,11 @@ */ #include #include +#include extern const struct amba_device mx23_duart_device __initconst; #define mx23_add_duart() \ mxs_add_duart(&mx23_duart_device) + +struct platform_device *__init mx23_add_mxsfb( + const struct mxsfb_platform_data *pdata); diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 33773a6..c902dc7 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -10,6 +10,7 @@ */ #include #include +#include extern const struct amba_device mx28_duart_device __initconst; #define mx28_add_duart() \ @@ -18,3 +19,6 @@ extern const struct amba_device mx28_duart_device __initconst; extern const struct mxs_fec_data mx28_fec_data[] __initconst; #define mx28_add_fec(id, pdata) \ mxs_add_fec(&mx28_fec_data[id], pdata) + +struct platform_device *__init mx28_add_mxsfb( + const struct mxsfb_platform_data *pdata); diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index cf7dc1a..1538cb9 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -4,3 +4,7 @@ config MXS_HAVE_AMBA_DUART config MXS_HAVE_PLATFORM_FEC bool + +config MXS_HAVE_PLATFORM_MXSFB + bool + diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index d0a09f6..0cf8b48 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -1,2 +1,3 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o diff --git a/arch/arm/mach-mxs/devices/platform-mxsfb.c b/arch/arm/mach-mxs/devices/platform-mxsfb.c new file mode 100644 index 0000000..632bbdc --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-mxsfb.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2011 Pengutronix, Sascha Hauer + * + * 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 + +#ifdef CONFIG_SOC_IMX23 +struct platform_device *__init mx23_add_mxsfb( + const struct mxsfb_platform_data *pdata) +{ + struct resource res[] = { + { + .start = MX23_LCDIF_BASE_ADDR, + .end = MX23_LCDIF_BASE_ADDR + SZ_8K - 1, + .flags = IORESOURCE_MEM, + }, + }; + + return mxs_add_platform_device_dmamask("imx23-fb", -1, + res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} +#endif /* ifdef CONFIG_SOC_IMX23 */ + +#ifdef CONFIG_SOC_IMX28 +struct platform_device *__init mx28_add_mxsfb( + const struct mxsfb_platform_data *pdata) +{ + struct resource res[] = { + { + .start = MX28_LCDIF_BASE_ADDR, + .end = MX28_LCDIF_BASE_ADDR + SZ_8K - 1, + .flags = IORESOURCE_MEM, + }, + }; + + return mxs_add_platform_device_dmamask("imx28-fb", -1, + res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} +#endif /* ifdef CONFIG_SOC_IMX28 */ -- 1.7.2.3