[PATCH 1/3][Bionic][SRU Artful] ACPI / APD: Add clock frequency for ThunderX2 I2C controller

[dann frazier]

From: Jayachandran C <jnair at caviumnetworks.com>

BugLink: https://bugs.launchpad.net/bugs/1738073

Add the input frequency of 125MHz for the ThunderX2 I2C controller block.
The ACPI ID used is "CAV9007".

Signed-off-by: Jayachandran C <jnair at caviumnetworks.com>
Signed-off-by: Kamlakant Patel <kamlakant.patel at cavium.com>
Acked-by: Mika Westerberg <mika.westerberg at linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
Signed-off-by: Wolfram Sang <wsa at the-dreams.de>
(cherry picked from commit 1977dbefe92c0baefefb62927df6e3908af8c453)
Signed-off-by: dann frazier <dann.frazier at canonical.com>
---
 drivers/acpi/acpi_apd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index d5999eb41c00..d553b0087947 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -116,6 +116,10 @@ static const struct apd_device_desc hip08_i2c_desc = {
 	.setup = acpi_apd_setup,
 	.fixed_clk_rate = 250000000,
 };
+static const struct apd_device_desc thunderx2_i2c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 125000000,
+};
 #endif
 
 #else
@@ -180,6 +184,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 	{ "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
 	{ "BRCM900D", APD_ADDR(vulcan_spi_desc) },
 	{ "CAV900D",  APD_ADDR(vulcan_spi_desc) },
+	{ "CAV9007",  APD_ADDR(thunderx2_i2c_desc) },
 	{ "HISI02A1", APD_ADDR(hip07_i2c_desc) },
 	{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
 #endif
-- 
2.15.1