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: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index 33a8a62..55b8c9f 100644
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -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 @@
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 = {