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/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
index 833f703f9be5ec5b667db1a54dd00ac517a05adc..f603c6946c29bf64b6b51e7f9ecd4c03a814a7ec 100644 (file)
--- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts
+++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
@@ -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>;
+               };
        };
 };

diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index 33a8a62437f109051b93054b22b5e002e0008f4b..55b8c9fef954026c5d53c08e9febff8a6166ddf2 100644 (file)
--- 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 @@ 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 = {