From 2e8fd696145819c6c5d6ac08c603af655e7f2298 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 14 Jan 2011 15:32:49 +0100 Subject: [PATCH] ARM i.MX23/28: Add framebuffer device support Signed-off-by: Sascha Hauer Cc: Shawn Guo --- arch/arm/mach-mxs/clock-mx23.c | 1 + 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 | 3 ++ arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-mxsfb.c | 46 ++++++++++++++++++++++ 7 files changed, 60 insertions(+) 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 38ee1b17a27d..2415b33d79c0 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -452,6 +452,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk) _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) _REGISTER_CLOCK("mxs-pwm.4", NULL, 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 40726c70328f..82770568845e 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -632,6 +632,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxs-pwm.7", NULL, 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 7fb27b12bea9..c7e14f4e3669 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -10,6 +10,7 @@ */ #include #include +#include extern const struct amba_device mx23_duart_device __initconst; #define mx23_add_duart() \ @@ -21,3 +22,6 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst; #define mx23_add_auart1() mx23_add_auart(1) #define mx23_add_mxs_pwm(id) mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id) + +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 a9eecdc7e227..9d08555c4cf0 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() \ @@ -37,3 +38,6 @@ extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst; #define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id]) #define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id) + +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 a878915063ed..1451ad060d82 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -17,3 +17,6 @@ config MXS_HAVE_PLATFORM_MXS_I2C config MXS_HAVE_PLATFORM_MXS_PWM bool + +config MXS_HAVE_PLATFORM_MXSFB + bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index 345b8399b80e..39bd77348a42 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.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 000000000000..bf72c9b8dbdd --- /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 */ -- 2.39.5