[PATCH 2/2] ARM i.MX23/28: Add framebuffer device support
From: s.hauer@pengutronix.de (Sascha Hauer)
Date: 2011-02-16 09:56:39
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Shawn Guo <redacted> --- 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 <mach/mx23.h> #include <mach/devices-common.h> +#include <mach/fb.h> 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 <mach/mx28.h> #include <mach/devices-common.h> +#include <mach/fb.h> 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 <s.hauer@pengutronix.de> + * + * 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 <asm/sizes.h> +#include <mach/mx23.h> +#include <mach/mx28.h> +#include <mach/devices-common.h> +#include <mach/fb.h> + +#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 */
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1.7.2.3