From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Sat, 12 Oct 2024 07:10:09 +0000 Subject: [PATCH] 修改led为gpio --- kernel/arch/arm/mach-lpc32xx/phy3250.c | 126 +----------------------------------------- 1 files changed, 3 insertions(+), 123 deletions(-) diff --git a/kernel/arch/arm/mach-lpc32xx/phy3250.c b/kernel/arch/arm/mach-lpc32xx/phy3250.c index e48cc06..66701bf 100644 --- a/kernel/arch/arm/mach-lpc32xx/phy3250.c +++ b/kernel/arch/arm/mach-lpc32xx/phy3250.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Platform support for LPC32xx SoC * @@ -5,112 +6,15 @@ * * Copyright (C) 2012 Roland Stigge <stigge@antcom.de> * Copyright (C) 2010 NXP Semiconductors - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/dma-mapping.h> -#include <linux/gpio.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> #include <linux/amba/pl08x.h> -#include <linux/amba/mmci.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/of_platform.h> -#include <linux/clk.h> -#include <linux/mtd/lpc32xx_slc.h> #include <linux/mtd/lpc32xx_mlc.h> +#include <linux/mtd/lpc32xx_slc.h> +#include <linux/of_platform.h> -#include <asm/setup.h> -#include <asm/mach-types.h> #include <asm/mach/arch.h> - -#include <mach/hardware.h> -#include <mach/platform.h> -#include <mach/board.h> #include "common.h" - -/* - * AMBA LCD controller - */ -static struct clcd_panel conn_lcd_panel = { - .mode = { - .name = "QVGA portrait", - .refresh = 60, - .xres = 240, - .yres = 320, - .pixclock = 191828, - .left_margin = 22, - .right_margin = 11, - .upper_margin = 2, - .lower_margin = 1, - .hsync_len = 5, - .vsync_len = 2, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = (TIM2_IVS | TIM2_IHS), - .cntl = (CNTL_BGR | CNTL_LCDTFT | CNTL_LCDVCOMP(1) | - CNTL_LCDBPP16_565), - .bpp = 16, -}; -#define PANEL_SIZE (3 * SZ_64K) - -static int lpc32xx_clcd_setup(struct clcd_fb *fb) -{ - dma_addr_t dma; - - fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, PANEL_SIZE, &dma, - GFP_KERNEL); - if (!fb->fb.screen_base) { - printk(KERN_ERR "CLCD: unable to map framebuffer\n"); - return -ENOMEM; - } - - fb->fb.fix.smem_start = dma; - fb->fb.fix.smem_len = PANEL_SIZE; - fb->panel = &conn_lcd_panel; - - return 0; -} - -static int lpc32xx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) -{ - return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base, - fb->fb.fix.smem_start, fb->fb.fix.smem_len); -} - -static void lpc32xx_clcd_remove(struct clcd_fb *fb) -{ - dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base, - fb->fb.fix.smem_start); -} - -static struct clcd_board lpc32xx_clcd_data = { - .name = "Phytec LCD", - .check = clcdfb_check, - .decode = clcdfb_decode, - .setup = lpc32xx_clcd_setup, - .mmap = lpc32xx_clcd_mmap, - .remove = lpc32xx_clcd_remove, -}; static struct pl08x_channel_data pl08x_slave_channels[] = { { @@ -148,11 +52,6 @@ .mem_buses = PL08X_AHB1, }; -static struct mmci_platform_data lpc32xx_mmci_data = { - .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 | - MMC_VDD_32_33 | MMC_VDD_33_34, -}; - static struct lpc32xx_slc_platform_data lpc32xx_slc_data = { .dma_filter = pl08x_filter_id, }; @@ -162,12 +61,7 @@ }; static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = { - OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", NULL), - OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", NULL), - OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data), OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd), - OF_DEV_AUXDATA("arm,pl18x", 0x20098000, "20098000.sd", - &lpc32xx_mmci_data), OF_DEV_AUXDATA("nxp,lpc3220-slc", 0x20020000, "20020000.flash", &lpc32xx_slc_data), OF_DEV_AUXDATA("nxp,lpc3220-mlc", 0x200a8000, "200a8000.flash", @@ -177,21 +71,7 @@ static void __init lpc3250_machine_init(void) { - u32 tmp; - - /* Setup LCD muxing to RGB565 */ - tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL) & - ~(LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_MSK | - LPC32XX_CLKPWR_LCDCTRL_PSCALE_MSK); - tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16; - __raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL); - lpc32xx_serial_init(); - - /* Test clock needed for UDA1380 initial init */ - __raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC | - LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN, - LPC32XX_CLKPWR_TEST_CLK_SEL); of_platform_default_populate(NULL, lpc32xx_auxdata_lookup, NULL); } -- Gitblit v1.6.2