ARM: vexpress: Add fixed regulator for SMSC

SMSC driver requires "vdd33a" and "vddvario" regulator supplies now.

Add fixed regulator describing 3V3 power line (in both motherboard's
Device Trees and the non-DT code) and force fixed regulator config
option if regulators framework is enabled.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index a3652a4ddc40..37608f22ee31 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -18,6 +18,8 @@
 #include <linux/clkdev.h>
 #include <linux/clk-provider.h>
 #include <linux/mtd/physmap.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 
 #include <asm/arch_timer.h>
 #include <asm/mach-types.h>
@@ -199,6 +201,11 @@ static struct platform_device v2m_eth_device = {
         .dev.platform_data = &v2m_eth_config,
 };
 
+static struct regulator_consumer_supply v2m_eth_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource v2m_usb_resources[] = {
         {
                 .start  = V2M_ISP1761,
@@ -503,6 +510,9 @@ static void __init v2m_init(void)
 {
         int i;
 
+        regulator_register_fixed(0, v2m_eth_supplies,
+                        ARRAY_SIZE(v2m_eth_supplies));
+
         platform_device_register(&v2m_pcie_i2c_device);
         platform_device_register(&v2m_ddc_i2c_device);
         platform_device_register(&v2m_flash_device);