[1/2,Artful,SRU,Zesty] ACPI / APD: Add clock frequency for Hisilicon Hip07/08 I2C controller

Message ID 20170802224502.31700-2-dann.frazier@canonical.com
State New
Headers show

Commit Message

dann frazier Aug. 2, 2017, 10:45 p.m.
From: Hanjun Guo <hanjun.guo@linaro.org>

BugLink: https://bugs.launchpad.net/bugs/1708293

I2C clock frequency of Designware ip for Hisilicon Hip07 is 200M,
but 250M for Hip08, use two ACPI IDs to differentiate them.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 6e14cf361a0cf3bbe0026557427a7eb2f64d3157)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
---
 drivers/acpi/acpi_apd.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Patch

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 26696b693e63..8f57648f318b 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -106,6 +106,16 @@  static const struct apd_device_desc vulcan_spi_desc = {
 	.setup = acpi_apd_setup,
 	.fixed_clk_rate = 133000000,
 };
+
+static const struct apd_device_desc hip07_i2c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 200000000,
+};
+
+static const struct apd_device_desc hip08_i2c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 250000000,
+};
 #endif
 
 #else
@@ -169,6 +179,8 @@  static const struct acpi_device_id acpi_apd_device_ids[] = {
 #ifdef CONFIG_ARM64
 	{ "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
 	{ "BRCM900D", APD_ADDR(vulcan_spi_desc) },
+	{ "HISI0A21", APD_ADDR(hip07_i2c_desc) },
+	{ "HISI0A22", APD_ADDR(hip08_i2c_desc) },
 #endif
 	{ }
 };