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

Message ID 20171213213516.11017-2-dann.frazier@canonical.com
State New
Headers show
Series
  • thunderx2: i2c driver PEC and ACPI clock fixes
Related show

Commit Message

dann frazier Dec. 13, 2017, 9:35 p.m.
From: Jayachandran C <jnair@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@caviumnetworks.com>
Signed-off-by: Kamlakant Patel <kamlakant.patel@cavium.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
(cherry picked from commit 1977dbefe92c0baefefb62927df6e3908af8c453)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
---
 drivers/acpi/acpi_apd.c | 5 +++++
 1 file changed, 5 insertions(+)

Patch

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