From e48135519bd569eed374e0e17ed5233d4105fa97 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Mon, 26 Jan 2009 16:34:56 +0100 Subject: [PATCH] arm/imx21: Framebuffer support for i.MX21 This patch mimicks what Martin wrote on the mailing list: * move arch/arm/mach-imx/include/mach/imxfb.h into arch/arm/mach-mxc/include/mach/imxfb.h * changes Kconfig so that CONFIG_FB_IMX is selectable * adds a platform device (copied from some pengutronix patches) Signed-off-by: Holger Schurig Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/devices.c | 33 +++++++++++++++++++ arch/arm/mach-mx2/devices.h | 2 +- .../include/mach/imxfb.h | 0 drivers/video/Kconfig | 2 +- 4 files changed, 35 insertions(+), 2 deletions(-) rename arch/arm/{mach-imx => plat-mxc}/include/mach/imxfb.h (100%) diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index 9ddd6d061058..07061e644545 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -228,6 +228,39 @@ struct platform_device mxc_nand_device = { .resource = mxc_nand_resources, }; +#ifdef CONFIG_FB_IMX +/* + * lcdc: + * - i.MX1: the basic controller + * - i.MX21: to be checked + * - i.MX27: like i.MX1, with slightly variations + */ +static struct resource mxc_fb[] = { + { + .start = LCDC_BASE_ADDR, + .end = LCDC_BASE_ADDR + 0xFFF, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_LCDC, + .end = MXC_INT_LCDC, + .flags = IORESOURCE_IRQ, + } +}; + +/* mxc lcd driver */ +struct platform_device mxc_fb_device = { + .name = "imx-fb", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_fb), + .resource = mxc_fb, + .dev = { + .coherent_dma_mask = 0xFFFFFFFF, + }, +}; + +#endif + /* GPIO port description */ static struct mxc_gpio_port imx_gpio_ports[] = { [0] = { diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h index 1e8cb577a642..f4cb0ce29f13 100644 --- a/arch/arm/mach-mx2/devices.h +++ b/arch/arm/mach-mx2/devices.h @@ -1,4 +1,3 @@ - extern struct platform_device mxc_gpt1; extern struct platform_device mxc_gpt2; extern struct platform_device mxc_gpt3; @@ -14,3 +13,4 @@ extern struct platform_device mxc_uart_device4; extern struct platform_device mxc_uart_device5; extern struct platform_device mxc_w1_master_device; extern struct platform_device mxc_nand_device; +extern struct platform_device mxc_fb_device; diff --git a/arch/arm/mach-imx/include/mach/imxfb.h b/arch/arm/plat-mxc/include/mach/imxfb.h similarity index 100% rename from arch/arm/mach-imx/include/mach/imxfb.h rename to arch/arm/plat-mxc/include/mach/imxfb.h diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index fb19803060cf..967ac3d359a6 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -397,7 +397,7 @@ config FB_SA1100 config FB_IMX tristate "Motorola i.MX LCD support" - depends on FB && ARM && ARCH_IMX + depends on FB && (ARCH_IMX || ARCH_MX2) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT -- 2.30.2