From d6974f0c7cb81db7b493033914540f236ca04f10 Mon Sep 17 00:00:00 2001 From: Tim Nordell Date: Mon, 27 Sep 2010 16:05:49 +0000 Subject: [PATCH] --- yaml --- r: 216937 b: refs/heads/master c: cdd280b9958d71ccbaf7c00c0d63dab0a48c1db0 h: refs/heads/master i: 216935: 43a4ed812bcabdb35061120a9ed5286d92eb00d9 v: v3 --- [refs] | 2 +- trunk/arch/arm/mach-omap2/Makefile | 3 + trunk/arch/arm/mach-omap2/gpmc-smsc911x.c | 113 ++++++++++++++++++ .../plat-omap/include/plat/gpmc-smsc911x.h | 35 ++++++ 4 files changed, 152 insertions(+), 1 deletion(-) create mode 100644 trunk/arch/arm/mach-omap2/gpmc-smsc911x.c create mode 100644 trunk/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h diff --git a/[refs] b/[refs] index b27771e90dc9..cefb6fe9e4f0 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 8430281b0a909048cc0e38756b11ae309bb783cd +refs/heads/master: cdd280b9958d71ccbaf7c00c0d63dab0a48c1db0 diff --git a/trunk/arch/arm/mach-omap2/Makefile b/trunk/arch/arm/mach-omap2/Makefile index 1c525a8b9c5f..9edacb0ab035 100644 --- a/trunk/arch/arm/mach-omap2/Makefile +++ b/trunk/arch/arm/mach-omap2/Makefile @@ -184,3 +184,6 @@ obj-y += $(nand-m) $(nand-y) smc91x-$(CONFIG_SMC91X) := gpmc-smc91x.o obj-y += $(smc91x-m) $(smc91x-y) + +smsc911x-$(CONFIG_SMSC911X) := gpmc-smsc911x.o +obj-y += $(smsc911x-m) $(smsc911x-y) diff --git a/trunk/arch/arm/mach-omap2/gpmc-smsc911x.c b/trunk/arch/arm/mach-omap2/gpmc-smsc911x.c new file mode 100644 index 000000000000..703f150dd01d --- /dev/null +++ b/trunk/arch/arm/mach-omap2/gpmc-smsc911x.c @@ -0,0 +1,113 @@ +/* + * linux/arch/arm/mach-omap2/gpmc-smsc911x.c + * + * Copyright (C) 2009 Li-Pro.Net + * Stephan Linz + * + * Modified from linux/arch/arm/mach-omap2/gpmc-smc91x.c + * + * 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 +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +static struct omap_smsc911x_platform_data *gpmc_cfg; + +static struct resource gpmc_smsc911x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config gpmc_smsc911x_config = { + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_16BIT, +}; + +static struct platform_device gpmc_smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(gpmc_smsc911x_resources), + .resource = gpmc_smsc911x_resources, + .dev = { + .platform_data = &gpmc_smsc911x_config, + }, +}; + +/* + * Initialize smsc911x device connected to the GPMC. Note that we + * assume that pin multiplexing is done in the board-*.c file, + * or in the bootloader. + */ +void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data) +{ + unsigned long cs_mem_base; + int ret; + + gpmc_cfg = board_data; + + if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n"); + return; + } + + gpmc_smsc911x_resources[0].start = cs_mem_base + 0x0; + gpmc_smsc911x_resources[0].end = cs_mem_base + 0xff; + + if (gpio_request(gpmc_cfg->gpio_irq, "smsc911x irq") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", + gpmc_cfg->gpio_irq); + goto free1; + } + + gpio_direction_input(gpmc_cfg->gpio_irq); + gpmc_smsc911x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq); + gpmc_smsc911x_resources[1].flags |= + (gpmc_cfg->flags & IRQF_TRIGGER_MASK); + + if (gpio_is_valid(gpmc_cfg->gpio_reset)) { + ret = gpio_request(gpmc_cfg->gpio_reset, "smsc911x reset"); + if (ret) { + printk(KERN_ERR "Failed to request GPIO%d for smsc911x reset\n", + gpmc_cfg->gpio_reset); + goto free2; + } + + gpio_direction_output(gpmc_cfg->gpio_reset, 1); + gpio_set_value(gpmc_cfg->gpio_reset, 0); + msleep(100); + gpio_set_value(gpmc_cfg->gpio_reset, 1); + } + + if (platform_device_register(&gpmc_smsc911x_device) < 0) { + printk(KERN_ERR "Unable to register smsc911x device\n"); + gpio_free(gpmc_cfg->gpio_reset); + goto free2; + } + + return; + +free2: + gpio_free(gpmc_cfg->gpio_irq); +free1: + gpmc_cs_free(gpmc_cfg->cs); + + printk(KERN_ERR "Could not initialize smsc911x\n"); +} diff --git a/trunk/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h b/trunk/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h new file mode 100644 index 000000000000..872de0bf1e6b --- /dev/null +++ b/trunk/arch/arm/plat-omap/include/plat/gpmc-smsc911x.h @@ -0,0 +1,35 @@ +/* + * arch/arm/plat-omap/include/plat/gpmc-smsc911x.h + * + * Copyright (C) 2009 Li-Pro.Net + * Stephan Linz + * + * Modified from arch/arm/plat-omap/include/plat/gpmc-smc91x.h + * + * 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. + */ + +#ifndef __ASM_ARCH_OMAP_GPMC_SMSC911X_H__ + +struct omap_smsc911x_platform_data { + int cs; + int gpio_irq; + int gpio_reset; + u32 flags; +}; + +#if defined(CONFIG_SMSC911X) || \ + defined(CONFIG_SMSC911X_MODULE) + +extern void gpmc_smsc911x_init(struct omap_smsc911x_platform_data *d); + +#else + +static inline void gpmc_smsc911x_init(struct omap_smsc911x_platform_data *d) +{ +} + +#endif +#endif