Add support for the Tegra410 SoC, which has 4 I2C controllers. The
controllers are feature-equivalent to Tegra264; only the register
offsets differ.

Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
---
 drivers/i2c/busses/i2c-tegra.c | 64 ++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 1e26d67cbd30..bc9f60b69020 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -262,6 +262,38 @@ static const struct tegra_i2c_regs tegra20_i2c_regs_vi = {
 	.dvc_status = 0x00c,
 };
 
+static const struct tegra_i2c_regs tegra410_i2c_regs = {
+	.cnfg = 0x000,
+	.status = 0x01c,
+	.sl_cnfg = 0x020,
+	.sl_addr1 = 0x02c,
+	.sl_addr2 = 0x030,
+	.tlow_sext = 0x034,
+	.tx_fifo = 0x054,
+	.rx_fifo = 0x058,
+	.packet_transfer_status = 0x05c,
+	.fifo_control = 0x060,
+	.fifo_status = 0x064,
+	.int_mask = 0x068,
+	.int_status = 0x06c,
+	.clk_divisor = 0x070,
+	.bus_clear_cnfg = 0x088,
+	.bus_clear_status = 0x08c,
+	.config_load = 0x090,
+	.clken_override = 0x094,
+	.interface_timing_0 = 0x098,
+	.interface_timing_1 = 0x09c,
+	.hs_interface_timing_0 = 0x0a0,
+	.hs_interface_timing_1 = 0x0a4,
+	.master_reset_cntrl = 0x0ac,
+	.mst_fifo_control = 0x0b8,
+	.mst_fifo_status = 0x0bc,
+	.sw_mutex = 0x0f0,
+	.dvc_ctrl_reg1 = 0x000,
+	.dvc_ctrl_reg3 = 0x008,
+	.dvc_status = 0x00c,
+};
+
 /*
  * msg_end_type: The bus control which needs to be sent at end of transfer.
  * @MSG_END_STOP: Send stop pulse.
@@ -2020,6 +2052,37 @@ static const struct tegra_i2c_hw_feature tegra264_i2c_hw = {
 	.regs = &tegra20_i2c_regs,
 };
 
+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_std_mode = 0x1d,
+	.clk_divisor_fast_mode = 0x15,
+	.clk_divisor_fast_plus_mode = 0x8,
+	.has_config_load_reg = true,
+	.has_multi_master_mode = true,
+	.has_slcg_override_reg = true,
+	.has_mst_fifo = true,
+	.quirks = &tegra194_i2c_quirks,
+	.supports_bus_clear = true,
+	.has_apb_dma = false,
+	.tlow_std_mode = 0x8,
+	.thigh_std_mode = 0x7,
+	.tlow_fast_fastplus_mode = 0x2,
+	.thigh_fast_fastplus_mode = 0x2,
+	.tlow_hs_mode = 0x4,
+	.thigh_hs_mode = 0x2,
+	.setup_hold_time_std_mode = 0x08080808,
+	.setup_hold_time_fast_fast_plus_mode = 0x02020202,
+	.setup_hold_time_hs_mode = 0x090909,
+	.has_interface_timing_reg = true,
+	.has_hs_mode_support = true,
+	.has_mutex = true,
+	.is_dvc = false,
+	.is_vi = false,
+	.regs = &tegra410_i2c_regs,
+};
+
 static const struct of_device_id tegra_i2c_of_match[] = {
 	{ .compatible = "nvidia,tegra264-i2c", .data = &tegra264_i2c_hw, },
 	{ .compatible = "nvidia,tegra256-i2c", .data = &tegra256_i2c_hw, },
@@ -2330,6 +2393,7 @@ static const struct acpi_device_id tegra_i2c_acpi_match[] = {
 	{.id = "NVDA0101", .driver_data = (kernel_ulong_t)&tegra210_i2c_hw},
 	{.id = "NVDA0201", .driver_data = (kernel_ulong_t)&tegra186_i2c_hw},
 	{.id = "NVDA0301", .driver_data = (kernel_ulong_t)&tegra194_i2c_hw},
+	{.id = "NVDA2017", .driver_data = (kernel_ulong_t)&tegra410_i2c_hw},
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, tegra_i2c_acpi_match);
-- 
2.43.0