usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch

From patchwork Wed Apr  6 07:54:05 2016
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Subject: usb: phy: tegra: Add 38.4MHz clock table entry
From: Hunter Laux <hunterlaux@gmail.com>
X-Patchwork-Id: 606877
Message-Id: <1459929245-23449-1-git-send-email-hunterlaux@gmail.com>
To: Stephen Warren <swarren@wwwdotorg.org>,
 Thierry Reding <thierry.reding@gmail.com>,
 Alexandre Courbot <gnurou@gmail.com>, linux-tegra@vger.kernel.org
Cc: Hunter Laux <hunterlaux@gmail.com>
Date: Wed,  6 Apr 2016 00:54:05 -0700

The Tegra210 uses a 38.4MHz OSC. This clock table entry is required to
use the ehci phy on the Jetson TX1.

The xtal_freq_count is actually a 12 bit value, so it should be a u16
instead of u8.

Signed-off-by: Hunter Laux <hunterlaux@gmail.com>
---
 drivers/usb/phy/phy-tegra-usb.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index 5fe4a57..f0431f0 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -164,7 +164,7 @@ struct tegra_xtal_freq {
 	u8 enable_delay;
 	u8 stable_count;
 	u8 active_delay;
-	u8 xtal_freq_count;
+	u16 xtal_freq_count;
 	u16 debounce;
 };
 
@@ -201,6 +201,14 @@ static const struct tegra_xtal_freq tegra_freq_table[] = {
 		.xtal_freq_count = 0xFE,
 		.debounce = 0xFDE8,
 	},
+	{
+		.freq = 38400000,
+		.enable_delay = 0x00,
+		.stable_count = 0x00,
+		.active_delay = 0x18,
+		.xtal_freq_count = 0x177,
+		.debounce = 0xBB80,
+	},
 };
 
 static void set_pts(struct tegra_usb_phy *phy, u8 pts_val)