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authorTom Warren <twarren.nvidia@gmail.com>2013-02-08 07:25:30 +0000
committerTom Warren <twarren@nvidia.com>2013-03-14 11:06:41 -0700
commite32624ef820f821b94333402788e79979681eb29 (patch)
treed328b83fe643568c319bd46c1c9458317f46ad3b /lib
parent702b87289438cfc3165408f0eaf999b0b67c1e7e (diff)
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Tegra: I2C: Add T114 clock support to tegra_i2c driver
T114 has a slightly different I2C clock, with a new (extra) divisor in standard/fast mode and HS mode. Tested on my Dalmore, and the I2C clock is 100KHz +/- 3Hz on my Saleae Logic analyzer. Added a new entry in compat_names for T114 I2C since it differs from the previous Tegra SoCs. A flag is set when T114 I2C HW is found so new features like the extra clock divisor can be used. Signed-off-by: Tom Warren <twarren@nvidia.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/fdtdec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 3ae348d..7c7fc83 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -37,6 +37,7 @@ DECLARE_GLOBAL_DATA_PTR;
static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(UNKNOWN, "<none>"),
COMPAT(NVIDIA_TEGRA20_USB, "nvidia,tegra20-ehci"),
+ COMPAT(NVIDIA_TEGRA114_I2C, "nvidia,tegra114-i2c"),
COMPAT(NVIDIA_TEGRA20_I2C, "nvidia,tegra20-i2c"),
COMPAT(NVIDIA_TEGRA20_DVC, "nvidia,tegra20-i2c-dvc"),
COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),