[PATCH v3] ACPI: APD: Add clock frequency for HJMC01 I2C controller

"clarke.li" <[email protected]> Wed, 22 Jul 2026 15:30:31 +0800
Newsgroups org.kernel.vger.linux-i2c,org.kernel.vger.linux-acpi
Message-ID <[email protected]>
From: Xiangyang Yu <[email protected]>

I2C clock frequency for HJMC01 is 200MHz, define a new ACPI
HID for it.

Signed-off-by: Xiangyang Yu <[email protected]>
Signed-off-by: Hongnan Li <[email protected]>
---
 drivers/acpi/acpi_apd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 008bd0552cb7..a193d8a6538e 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -192,6 +192,11 @@ static const struct apd_device_desc leca_i2c_desc = {
 	.fixed_clk_rate = 250000000,
 };

+static const struct apd_device_desc hjmc_i2c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 200000000,
+};
+
 #endif /* CONFIG_ARM64 */

 #endif
@@ -264,6 +269,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 	{ "HISI0173", APD_ADDR(hip08_spi_desc) },
 	{ "LECA0002", APD_ADDR(leca_spi_desc) },
 	{ "LECA0003", APD_ADDR(leca_i2c_desc) },
+	{ "HJMC3001", APD_ADDR(hjmc_i2c_desc) },
 	{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
 #endif
 	{ }
--
2.55.0