ARM: imx: dynamically register imx-fb devices

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

5 files changed, 62 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 01b0d0cdf866..25423713b498 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -16,6 +16,9 @@ config IMX_HAVE_PLATFORM_GPIO_KEYS
 config IMX_HAVE_PLATFORM_IMX2_WDT
 	bool
 
+config IMX_HAVE_PLATFORM_IMX_FB
+	bool
+
 config IMX_HAVE_PLATFORM_IMX_I2C
 	bool
 
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index 224f6655c75f..d3f845eea1ca 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_GPIO_KEYS) += platform-gpio_keys.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o
 obj-y += platform-imx-dma.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_FB) += platform-imx-fb.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx-fb.c b/arch/arm/plat-mxc/devices/platform-imx-fb.c
new file mode 100644
index 000000000000..42ed3bea0fd1
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx-fb.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@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 <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_imx_fb_data_entry_single(soc)				\
+	{								\
+		.iobase = soc ## _LCDC_BASE_ADDR,			\
+		.irq = soc ## _INT_LCDC,				\
+	}
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_imx_fb_data imx21_imx_fb_data __initconst =
+	imx_imx_fb_data_entry_single(MX21);
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_imx_fb_data imx27_imx_fb_data __initconst =
+	imx_imx_fb_data_entry_single(MX27);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+struct platform_device *__init imx_add_imx_fb(
+		const struct imx_imx_fb_data *data,
+		const struct imx_fb_platform_data *pdata)
+{
+	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_dmamask("imx-fb", 0,
+			res, ARRAY_SIZE(res),
+			pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 830369ea80d0..b1d765634860 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -54,6 +54,15 @@ struct imx_imx2_wdt_data {
 struct platform_device *__init imx_add_imx2_wdt(
 		const struct imx_imx2_wdt_data *data);
 
+#include <mach/imxfb.h>
+struct imx_imx_fb_data {
+	resource_size_t iobase;
+	resource_size_t irq;
+};
+struct platform_device *__init imx_add_imx_fb(
+		const struct imx_imx_fb_data *data,
+		const struct imx_fb_platform_data *pdata);
+
 #include <mach/i2c.h>
 struct imx_imx_i2c_data {
 	int id;
diff --git a/arch/arm/plat-mxc/include/mach/imxfb.h b/arch/arm/plat-mxc/include/mach/imxfb.h
index 5263506b7ddf..9de8f062ad5d 100644
--- a/arch/arm/plat-mxc/include/mach/imxfb.h
+++ b/arch/arm/plat-mxc/include/mach/imxfb.h
@@ -1,6 +1,8 @@
 /*
  * This structure describes the machine which we are running on.
  */
+#ifndef __MACH_IMXFB_H__
+#define __MACH_IMXFB_H__
 
 #include <linux/fb.h>
 
@@ -79,3 +81,4 @@ struct imx_fb_platform_data {
 };
 
 void set_imx_fb_info(struct imx_fb_platform_data *);
+#endif /* ifndef __MACH_IMXFB_H__ */