From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Lee Jones <lee.jones@linaro.org>, linux-kernel@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1] mfd: intel-lpss: Add Intel Skylake ACPI IDs
Date: Fri, 16 Aug 2019 20:56:02 +0300 [thread overview]
Message-ID: <20190816175602.42133-1-andriy.shevchenko@linux.intel.com> (raw)
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>
---
drivers/mfd/intel-lpss-acpi.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 61ffb8b393e4..c8fe334b5fe8 100644
--- 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 },
--
2.23.0.rc1
next reply other threads:[~2019-08-16 17:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 17:56 Andy Shevchenko [this message]
2019-09-02 8:56 ` [PATCH v1] mfd: intel-lpss: Add Intel Skylake ACPI IDs Lee Jones
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