[PATCH] i2c: designware: Add ACPI ID LECA0003 for LECARC SoCs

From: Thomas Lin

Date: Tue May 26 2026 - 04:49:27 EST


Add ACPI ID "LECA0003" for LECARC SoCs that integrate
the DesignWare I2C controller.
Also add corresponding ACPI description in acpi_apd.c.

Signed-off-by: Thomas Lin <thomas_lin@xxxxxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/acpi/acpi_apd.c | 7 +++++++
drivers/i2c/busses/i2c-designware-platdrv.c | 1 +
2 files changed, 8 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index bed0791c17fc..86678ee22a04 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -181,6 +181,12 @@ static const struct apd_device_desc hip08_spi_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 250000000,
};
+
+static const struct apd_device_desc leca_i2c_desc = {
+ .setup = acpi_apd_setup,
+ .fixed_clk_rate = 250000000,
+};
+
#endif /* CONFIG_ARM64 */

#endif
@@ -251,6 +257,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
{ "HISI02A3", APD_ADDR(hip08_lite_i2c_desc) },
{ "HISI0173", APD_ADDR(hip08_spi_desc) },
+ { "LECA0003", APD_ADDR(leca_i2c_desc) },
{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
#endif
{ }
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 3351c4a9ef11..b435b4015f02 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -279,6 +279,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "INT3432", 0 },
{ "INT3433", 0 },
{ "INTC10EF", 0 },
+ { "LECA0003", 0 },
{}
};
MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);

---
base-commit: e8c2f9fdadee7cbc75134dc463c1e0d856d6e5c7
change-id: 20260526-lecarc-i2c-acpi-id-a32cebd4c3fe

Best regards,
--
Thomas Lin <thomas_lin@xxxxxxxxxxxxxxx>