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Commit 15351a7a authored by Magnus Damm's avatar Magnus Damm Committed by Simon Horman
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ARM: shmobile: APE6EVM LAN9220 support 



Add LAN9220 support to the APE6EVM board using C and DT.
At this point the PFC driver lacks DT bindings so to
configure the PFC we use PINCTRL in C board code.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 2c56055c

arch/arm/boot/dts/r8a73a4-ape6evm.dts

+22 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 
	compatible = "renesas,ape6evm", "renesas,r8a73a4";



	chosen {

		bootargs = "console=ttySC0,115200 ignore_loglevel";

		bootargs = "console=ttySC0,115200 ignore_loglevel root=/dev/nfs ip=dhcp";

	};



	memory@40000000 {
@@ -24,8 +24,29 @@ 
		reg = <0 0x40000000 0 0x40000000>;

	};



	ape6evm_fixed_3v3: fixedregulator@0 {

		compatible = "regulator-fixed";

		regulator-name = "3V3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	lbsc {

		#address-cells = <1>;

		#size-cells = <1>;



		ethernet@8000000 {

			compatible = "smsc,lan9118", "smsc,lan9115";

			reg = <0x08000000 0x1000>;

			interrupt-parent = <&irqc1>;

			interrupts = <8 0x4>;

			phy-mode = "mii";

			reg-io-width = <4>;

			smsc,irq-active-high;

			smsc,irq-push-pull;

			vdd33a-supply = <&ape6evm_fixed_3v3>;

			vddvario-supply = <&ape6evm_fixed_3v3>;

		};

	};

};

arch/arm/mach-shmobile/board-ape6evm.c

+38 −0
Original line number Diff line number Diff line
@@ -18,20 +18,49 @@ 
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */



#include <linux/gpio.h>

#include <linux/interrupt.h>

#include <linux/irqchip.h>

#include <linux/kernel.h>

#include <linux/pinctrl/machine.h>

#include <linux/platform_device.h>

#include <linux/regulator/fixed.h>

#include <linux/regulator/machine.h>

#include <linux/smsc911x.h>

#include <mach/common.h>

#include <mach/irqs.h>

#include <mach/r8a73a4.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>



/* Dummy supplies, where voltage doesn't matter */

static struct regulator_consumer_supply dummy_supplies[] = {

	REGULATOR_SUPPLY("vddvario", "smsc911x"),

	REGULATOR_SUPPLY("vdd33a", "smsc911x"),

};



/* SMSC LAN9220 */

static const struct resource lan9220_res[] = {

	DEFINE_RES_MEM(0x08000000, 0x1000),

	{

		.start	= irq_pin(40), /* IRQ40 */

		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,

	},

};



static const struct smsc911x_platform_config lan9220_data = {

	.flags		= SMSC911X_USE_32BIT,

	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,

	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,

};



static const struct pinctrl_map ape6evm_pinctrl_map[] = {

	/* SCIFA0 console */

	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",

				  "scifa0_data", "scifa0"),

	/* SMSC */

	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",

				  "irqc_irq40", "irqc"),

};



static void __init ape6evm_add_standard_devices(void)
@@ -41,6 +70,15 @@ static void __init ape6evm_add_standard_devices(void) 
				  ARRAY_SIZE(ape6evm_pinctrl_map));

	r8a73a4_pinmux_init();

	r8a73a4_add_standard_devices();



	/* LAN9220 ethernet */

	gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */



	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));



	platform_device_register_resndata(&platform_bus, "smsc911x", -1,

					  lan9220_res, ARRAY_SIZE(lan9220_res),

					  &lan9220_data, sizeof(lan9220_data));

}



static const char *ape6evm_boards_compat_dt[] __initdata = {