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Diffstat (limited to 'drivers/mfd/intel-lpss-acpi.c')
-rw-r--r--drivers/mfd/intel-lpss-acpi.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index b6fd9041f82f..06f00d60be46 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -18,6 +18,7 @@
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include "intel-lpss.h"
@@ -25,6 +26,20 @@ static const struct intel_lpss_platform_info spt_info = {
.clk_rate = 120000000,
};
+static struct property_entry spt_i2c_properties[] = {
+ PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
+ { },
+};
+
+static struct property_set spt_i2c_pset = {
+ .properties = spt_i2c_properties,
+};
+
+static const struct intel_lpss_platform_info spt_i2c_info = {
+ .clk_rate = 120000000,
+ .pset = &spt_i2c_pset,
+};
+
static const struct intel_lpss_platform_info bxt_info = {
.clk_rate = 100000000,
};
@@ -35,8 +50,8 @@ static const struct intel_lpss_platform_info bxt_i2c_info = {
static const struct acpi_device_id intel_lpss_acpi_ids[] = {
/* SPT */
- { "INT3446", (kernel_ulong_t)&spt_info },
- { "INT3447", (kernel_ulong_t)&spt_info },
+ { "INT3446", (kernel_ulong_t)&spt_i2c_info },
+ { "INT3447", (kernel_ulong_t)&spt_i2c_info },
/* BXT */
{ "80860AAC", (kernel_ulong_t)&bxt_i2c_info },
{ "80860ABC", (kernel_ulong_t)&bxt_info },