mfd: intel-lpss: Add Intel Skylake ACPI IDs

Some of the laptops, like ASUS U306UA, may expose LPSS devices via ACPI.

Add their IDs to the list.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 61ffb8b393e497ed6455621447e598477d18ef99..c8fe334b5fe8bb425833bd57baf24c59b71afefe 100644 (file)
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -18,6 +18,10 @@
 
 #include "intel-lpss.h"
 
+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),
        { },
@@ -28,6 +32,19 @@ static const struct intel_lpss_platform_info spt_i2c_info = {
        .properties = spt_i2c_properties,
 };
 
+static struct property_entry uart_properties[] = {
+       PROPERTY_ENTRY_U32("reg-io-width", 4),
+       PROPERTY_ENTRY_U32("reg-shift", 2),
+       PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
+       { },
+};
+
+static const struct intel_lpss_platform_info spt_uart_info = {
+       .clk_rate = 120000000,
+       .clk_con_id = "baudclk",
+       .properties = uart_properties,
+};
+
 static const struct intel_lpss_platform_info bxt_info = {
        .clk_rate = 100000000,
 };
@@ -58,8 +75,17 @@ static const struct intel_lpss_platform_info apl_i2c_info = {
 
 static const struct acpi_device_id intel_lpss_acpi_ids[] = {
        /* SPT */
+       { "INT3440", (kernel_ulong_t)&spt_info },
+       { "INT3441", (kernel_ulong_t)&spt_info },
+       { "INT3442", (kernel_ulong_t)&spt_i2c_info },
+       { "INT3443", (kernel_ulong_t)&spt_i2c_info },
+       { "INT3444", (kernel_ulong_t)&spt_i2c_info },
+       { "INT3445", (kernel_ulong_t)&spt_i2c_info },
        { "INT3446", (kernel_ulong_t)&spt_i2c_info },
        { "INT3447", (kernel_ulong_t)&spt_i2c_info },
+       { "INT3448", (kernel_ulong_t)&spt_uart_info },
+       { "INT3449", (kernel_ulong_t)&spt_uart_info },
+       { "INT344A", (kernel_ulong_t)&spt_uart_info },
        /* BXT */
        { "80860AAC", (kernel_ulong_t)&bxt_i2c_info },
        { "80860ABC", (kernel_ulong_t)&bxt_info },