ARM: imx: initial SolidRun HummingBoard support

Add support for the SolidRun HummingBoard.  This commit adds support for
the following interfaces on this board:

- Consumer Ir receiver
- S/PDIF output
- Both USB interfaces
- Gigabit Ethernet using AR8035
- UART port

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index d0cfb225ec9a..cb6fa3d61243 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -103,6 +103,39 @@ static int ar8031_phy_fixup(struct phy_device *dev)
 
 #define PHY_ID_AR8031   0x004dd074
 
+static int ar8035_phy_fixup(struct phy_device *dev)
+{
+        u16 val;
+
+        /* Ar803x phy SmartEEE feature cause link status generates glitch,
+         * which cause ethernet link down/up issue, so disable SmartEEE
+         */
+        phy_write(dev, 0xd, 0x3);
+        phy_write(dev, 0xe, 0x805d);
+        phy_write(dev, 0xd, 0x4003);
+
+        val = phy_read(dev, 0xe);
+        phy_write(dev, 0xe, val & ~(1 << 8));
+
+        /*
+         * Enable 125MHz clock from CLK_25M on the AR8031.  This
+         * is fed in to the IMX6 on the ENET_REF_CLK (V22) pad.
+         * Also, introduce a tx clock delay.
+         *
+         * This is the same as is the AR8031 fixup.
+         */
+        ar8031_phy_fixup(dev);
+
+        /*check phy power*/
+        val = phy_read(dev, 0x0);
+        if (val & BMCR_PDOWN)
+                phy_write(dev, 0x0, val & ~BMCR_PDOWN);
+
+        return 0;
+}
+
+#define PHY_ID_AR8035 0x004dd072
+
 static void __init imx6q_enet_phy_init(void)
 {
         if (IS_BUILTIN(CONFIG_PHYLIB)) {
@@ -112,6 +145,8 @@ static void __init imx6q_enet_phy_init(void)
                                 ksz9031rn_phy_fixup);
                 phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff,
                                 ar8031_phy_fixup);
+                phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef,
+                                ar8035_phy_fixup);
         }
 }