diff options
Diffstat (limited to 'usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch')
-rw-r--r-- | usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch b/usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch new file mode 100644 index 000000000..2a44851d7 --- /dev/null +++ b/usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch @@ -0,0 +1,53 @@ +From patchwork Wed Apr 6 07:54:05 2016 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +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) |