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ARM: shmobile: APE6EVM LAN9220 support

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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: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm 2013-03-29 17:00:21 +09:00 committed by Simon Horman
parent 2c56055c46
commit 15351a7a22
2 changed files with 60 additions and 1 deletions
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23
arch/arm/boot/dts/r8a73a4-ape6evm.dts
View File

@ -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 @@ memory@40000000 {
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>;
};
};
};

38
arch/arm/mach-shmobile/board-ape6evm.c
View File

@ -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 = {