linux-kernel - [PATCH v1] mfd: intel-lpss: Add Intel Skylake ACPI IDs

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Message-Id: <20190816175602.42133-1-andriy.shevchenko@linux.intel.com>
Date:   Fri, 16 Aug 2019 20:56:02 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1] 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@...ux.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