1 files changed, 52 insertions, 97 deletions

diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index 7f7401ec748..540106cdb9e 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -1,8 +1,9 @@
 /*
- * arch/arm/mach-lpc32xx/phy3250.c
+ * Platform support for LPC32xx SoC
  *
  * Author: Kevin Wells <kevin.wells@nxp.com>
  *
+ * 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
@@ -25,11 +26,16 @@
 #include <linux/device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/eeprom.h>
-#include <linux/leds.h>
 #include <linux/gpio.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/clcd.h>
 #include <linux/amba/pl022.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/amba/pl08x.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -47,7 +53,6 @@
 #define SPI0_CS_GPIO    LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
 #define LCD_POWER_GPIO  LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0)
 #define BKL_POWER_GPIO  LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4)
-#define LED_GPIO        LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 1)
 
 /*
  * AMBA LCD controller
@@ -150,9 +155,6 @@ static struct clcd_board lpc32xx_clcd_data = {
         .remove         = lpc32xx_clcd_remove,
 };
 
-static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0,
-        LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data);
-
 /*
  * AMBA SSP (SPI)
  */
@@ -180,8 +182,11 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = {
         .enable_dma             = 0,
 };
 
-static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0,
-        LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data);
+static struct pl022_ssp_controller lpc32xx_ssp1_data = {
+        .bus_id                 = 1,
+        .num_chipselect         = 1,
+        .enable_dma             = 0,
+};
 
 /* AT25 driver registration */
 static int __init phy3250_spi_board_register(void)
@@ -221,73 +226,20 @@ static int __init phy3250_spi_board_register(void)
 }
 arch_initcall(phy3250_spi_board_register);
 
-static struct i2c_board_info __initdata phy3250_i2c_board_info[] = {
-        {
-                I2C_BOARD_INFO("pcf8563", 0x51),
-        },
-};
-
-static struct gpio_led phy_leds[] = {
-        {
-                .name                   = "led0",
-                .gpio                   = LED_GPIO,
-                .active_low             = 1,
-                .default_trigger        = "heartbeat",
-        },
-};
-
-static struct gpio_led_platform_data led_data = {
-        .leds = phy_leds,
-        .num_leds = ARRAY_SIZE(phy_leds),
-};
-
-static struct platform_device lpc32xx_gpio_led_device = {
-        .name                   = "leds-gpio",
-        .id                     = -1,
-        .dev.platform_data      = &led_data,
+static struct pl08x_platform_data pl08x_pd = {
 };
 
-static struct platform_device *phy3250_devs[] __initdata = {
-        &lpc32xx_rtc_device,
-        &lpc32xx_tsc_device,
-        &lpc32xx_i2c0_device,
-        &lpc32xx_i2c1_device,
-        &lpc32xx_i2c2_device,
-        &lpc32xx_watchdog_device,
-        &lpc32xx_gpio_led_device,
-        &lpc32xx_adc_device,
-        &lpc32xx_ohci_device,
-        &lpc32xx_net_device,
+static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {
+        OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", &lpc32xx_ssp0_data),
+        OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", &lpc32xx_ssp1_data),
+        OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data),
+        OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd),
+        { }
 };
 
-static struct amba_device *amba_devs[] __initdata = {
-        &lpc32xx_clcd_device,
-        &lpc32xx_ssp0_device,
-};
-
-/*
- * Board specific functions
- */
-static void __init phy3250_board_init(void)
+static void __init lpc3250_machine_init(void)
 {
         u32 tmp;
-        int i;
-
-        lpc32xx_gpio_init();
-
-        /* Register GPIOs used on this board */
-        if (gpio_request(SPI0_CS_GPIO, "spi0 cs"))
-                printk(KERN_ERR "Error requesting gpio %u",
-                        SPI0_CS_GPIO);
-        else if (gpio_direction_output(SPI0_CS_GPIO, 1))
-                printk(KERN_ERR "Error setting gpio %u to output",
-                        SPI0_CS_GPIO);
-
-        /* Setup network interface for RMII mode */
-        tmp = __raw_readl(LPC32XX_CLKPWR_MACCLK_CTRL);
-        tmp &= ~LPC32XX_CLKPWR_MACCTRL_PINS_MSK;
-        tmp |= LPC32XX_CLKPWR_MACCTRL_USE_RMII_PINS;
-        __raw_writel(tmp, LPC32XX_CLKPWR_MACCLK_CTRL);
 
         /* Setup SLC NAND controller muxing */
         __raw_writel(LPC32XX_CLKPWR_NANDCLK_SEL_SLC,
@@ -300,6 +252,12 @@ static void __init phy3250_board_init(void)
         tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16;
         __raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL);
 
+        /* Set up USB power */
+        tmp = __raw_readl(LPC32XX_CLKPWR_USB_CTRL);
+        tmp |= LPC32XX_CLKPWR_USBCTRL_HCLK_EN |
+                LPC32XX_CLKPWR_USBCTRL_USBI2C_EN;
+        __raw_writel(tmp, LPC32XX_CLKPWR_USB_CTRL);
+
         /* Set up I2C pull levels */
         tmp = __raw_readl(LPC32XX_CLKPWR_I2C_CLK_CTRL);
         tmp |= LPC32XX_CLKPWR_I2CCLK_USBI2CHI_DRIVE |
@@ -321,54 +279,51 @@ static void __init phy3250_board_init(void)
         /*
          * AMBA peripheral clocks need to be enabled prior to AMBA device
          * detection or a data fault will occur, so enable the clocks
-         * here. However, we don't want to enable them if the peripheral
-         * isn't included in the image
+         * here.
          */
-#ifdef CONFIG_FB_ARMCLCD
         tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL);
         __raw_writel((tmp | LPC32XX_CLKPWR_LCDCTRL_CLK_EN),
                 LPC32XX_CLKPWR_LCDCLK_CTRL);
-#endif
-#ifdef CONFIG_SPI_PL022
+
         tmp = __raw_readl(LPC32XX_CLKPWR_SSP_CLK_CTRL);
         __raw_writel((tmp | LPC32XX_CLKPWR_SSPCTRL_SSPCLK0_EN),
                 LPC32XX_CLKPWR_SSP_CLK_CTRL);
-#endif
 
-        platform_add_devices(phy3250_devs, ARRAY_SIZE(phy3250_devs));
-        for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
-                struct amba_device *d = amba_devs[i];
-                amba_device_register(d, &iomem_resource);
-        }
+        tmp = __raw_readl(LPC32XX_CLKPWR_DMA_CLK_CTRL);
+        __raw_writel((tmp | LPC32XX_CLKPWR_DMACLKCTRL_CLK_EN),
+                     LPC32XX_CLKPWR_DMA_CLK_CTRL);
 
         /* Test clock needed for UDA1380 initial init */
         __raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC |
                 LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN,
                 LPC32XX_CLKPWR_TEST_CLK_SEL);
 
-        i2c_register_board_info(0, phy3250_i2c_board_info,
-                ARRAY_SIZE(phy3250_i2c_board_info));
-}
-
-static int __init lpc32xx_display_uid(void)
-{
-        u32 uid[4];
-
-        lpc32xx_get_uid(uid);
-
-        printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n",
-                uid[3], uid[2], uid[1], uid[0]);
+        of_platform_populate(NULL, of_default_bus_match_table,
+                             lpc32xx_auxdata_lookup, NULL);
 
-        return 1;
+        /* Register GPIOs used on this board */
+        if (gpio_request(SPI0_CS_GPIO, "spi0 cs"))
+                printk(KERN_ERR "Error requesting gpio %u",
+                        SPI0_CS_GPIO);
+        else if (gpio_direction_output(SPI0_CS_GPIO, 1))
+                printk(KERN_ERR "Error setting gpio %u to output",
+                        SPI0_CS_GPIO);
 }
-arch_initcall(lpc32xx_display_uid);
 
-MACHINE_START(PHY3250, "Phytec 3250 board with the LPC3250 Microcontroller")
-        /* Maintainer: Kevin Wells, NXP Semiconductors */
+static char const *lpc32xx_dt_compat[] __initdata = {
+        "nxp,lpc3220",
+        "nxp,lpc3230",
+        "nxp,lpc3240",
+        "nxp,lpc3250",
+        NULL
+};
+
+DT_MACHINE_START(LPC32XX_DT, "LPC32XX SoC (Flattened Device Tree)")
         .atag_offset    = 0x100,
         .map_io         = lpc32xx_map_io,
         .init_irq       = lpc32xx_init_irq,
         .timer          = &lpc32xx_timer,
-        .init_machine   = phy3250_board_init,
+        .init_machine   = lpc3250_machine_init,
+        .dt_compat      = lpc32xx_dt_compat,
         .restart        = lpc23xx_restart,
 MACHINE_END