Subject: [PATCH 03/17] ARM: pxa/raumfeld: add SMSC9220 ethernet support

From: [email-masked] (Mike Rapoport)
Date: Wed, 25 Nov 2009 17:26:36 +0200

Daniel Mack wrote:
> The 'Connector' and 'Speaker S/M' devices have an SMSC9220 ethernet chip
> onboard.
> 
> Signed-off-by: Daniel Mack <[email-masked]>
> ---
>  arch/arm/mach-pxa/raumfeld.c |   51 ++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 51 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
> index 075e337..82af0dc 100644
> --- a/arch/arm/mach-pxa/raumfeld.c
> +++ b/arch/arm/mach-pxa/raumfeld.c
> @@ -19,7 +19,10 @@
>  #include <linux/init.h>
>  #include <linux/kernel.h>
>  #include <linux/sysdev.h>
> +#include <linux/platform_device.h>
>  #include <linux/interrupt.h>
> +#include <linux/gpio.h>
> +#include <linux/smsc911x.h>
>  
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> @@ -92,6 +95,52 @@ static mfp_cfg_t raumfeld_pin_config[] __initdata = {
>  	GPIO110_UART3_RXD,
>  };
>  
> +/*
> + * SMSC LAN9220 Ethernet
> + */
> +
> +static struct resource smc91x_resources[] = {
> +	{
> +		.start	= PXA3xx_CS2_PHYS,
> +		.end	= PXA3xx_CS2_PHYS + 0xfffff,
> +		.flags	= IORESOURCE_MEM,
> +	},
> +	{
> +		.start	= gpio_to_irq(mfp_to_gpio(GPIO_ETH_IRQ)),
> +		.end	= gpio_to_irq(mfp_to_gpio(GPIO_ETH_IRQ)),
> +		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
> +	}
> +};
> +
> +static struct smsc911x_platform_config raumfeld_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_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
> +};
> +
> +static struct platform_device smc91x_device = {
> +	.name		= "smsc911x",
> +	.id		= -1,
> +	.num_resources	= ARRAY_SIZE(smc91x_resources),
> +	.resource	= smc91x_resources,
> +	.dev		= {
> +		.platform_data = &raumfeld_smsc911x_config,
> +	}
> +};
> +
> +static mfp_cfg_t raumfeld_eth_pin_config[] __initdata = {
> +	GPIO1_nCS2,			/* CS */
> +	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
> +};

Wouldn't it be better to keep mfp tables for common pins and each of board
variants rather than configure mfp for particular interface? This applies for
other patches that have
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_<something>_pin_config));
as well. :)

> +static void __init raumfeld_eth_init(void)
> +{
> +	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_eth_pin_config));
> +	platform_device_register(&smc91x_device);
> +}
> +
> +
>  static void __init raumfeld_common_init(void)
>  {
>  	enable_irq_wake(IRQ_WAKEUP0);
> @@ -118,11 +167,13 @@ static void __init raumfeld_controller_init(void)
>  static void __init raumfeld_connector_init(void)
>  {
>  	raumfeld_common_init();
> +	raumfeld_eth_init();
>  }
>  
>  static void __init raumfeld_speaker_init(void)
>  {
>  	raumfeld_common_init();
> +	raumfeld_eth_init();
>  }
>  
>  /* physical memory regions */

-- 
Sincerely yours,
Mike.