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i2c: tegra: Update Tegra410 I2C timing parameters

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Update Tegra410 I2C timing parameters based on hardware characterization
results. This adjusts the fast mode and HS mode settings to be compliant
with the I2C specification.

Fixes: 59717f2601 ("i2c: tegra: Add support for Tegra410")
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260518114013.62065-4-akhilrajeev@nvidia.com
This commit is contained in:
Akhil R 2026-05-18 17:10:12 +05:30 • committed by Andi Shyti
commit 97d0a9c6e8
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1 changed files with 4 additions and 4 deletions
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8
drivers/i2c/busses/i2c-tegra.c
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@ -2115,9 +2115,9 @@ static const struct tegra_i2c_hw_feature tegra264_i2c_hw = {
static const struct tegra_i2c_hw_feature tegra410_i2c_hw = {
.has_continue_xfer_support = true,
.has_per_pkt_xfer_complete_irq = true,
.clk_divisor_hs_mode = 1,
.clk_divisor_hs_mode = 2,
.clk_divisor_std_mode = 0x3f,
.clk_divisor_fast_mode = 0x2c,
.clk_divisor_fast_mode = 0x2f,
.clk_divisor_fast_plus_mode = 0x11,
.has_config_load_reg = true,
.has_multi_master_mode = true,
@ -2133,8 +2133,8 @@ static const struct tegra_i2c_hw_feature tegra410_i2c_hw = {
.thigh_fast_mode = 0x2,
.tlow_fastplus_mode = 0x2,
.thigh_fastplus_mode = 0x2,
.tlow_hs_mode = 0x8,
.thigh_hs_mode = 0x6,
.tlow_hs_mode = 0x5,
.thigh_hs_mode = 0x2,
.setup_hold_time_std_mode = 0x08080808,
.setup_hold_time_fast_mode = 0x02020202,
.setup_hold_time_fastplus_mode = 0x02020202,