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path: root/drivers/mfd/intel-lpss-acpi.c
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Diffstat (limited to 'drivers/mfd/intel-lpss-acpi.c')
-rw-r--r--drivers/mfd/intel-lpss-acpi.c48
1 files changed, 44 insertions, 4 deletions
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 3f1d976eb67c..a143c8dca2d9 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -15,11 +15,22 @@
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/property.h>
+#include <linux/pxa2xx_ssp.h>
#include "intel-lpss.h"
+static const struct property_entry spt_spi_properties[] = {
+ PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_SPT_SSP),
+ { }
+};
+
+static const struct software_node spt_spi_node = {
+ .properties = spt_spi_properties,
+};
+
static const struct intel_lpss_platform_info spt_info = {
.clk_rate = 120000000,
+ .swnode = &spt_spi_node,
};
static const struct property_entry spt_i2c_properties[] = {
@@ -53,8 +64,18 @@ static const struct intel_lpss_platform_info spt_uart_info = {
.swnode = &uart_node,
};
+static const struct property_entry bxt_spi_properties[] = {
+ PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_BXT_SSP),
+ { }
+};
+
+static const struct software_node bxt_spi_node = {
+ .properties = bxt_spi_properties,
+};
+
static const struct intel_lpss_platform_info bxt_info = {
.clk_rate = 100000000,
+ .swnode = &bxt_spi_node,
};
static const struct property_entry bxt_i2c_properties[] = {
@@ -89,6 +110,20 @@ static const struct intel_lpss_platform_info apl_i2c_info = {
.swnode = &apl_i2c_node,
};
+static const struct property_entry cnl_spi_properties[] = {
+ PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_CNL_SSP),
+ { }
+};
+
+static const struct software_node cnl_spi_node = {
+ .properties = cnl_spi_properties,
+};
+
+static const struct intel_lpss_platform_info cnl_info = {
+ .clk_rate = 120000000,
+ .swnode = &cnl_spi_node,
+};
+
static const struct intel_lpss_platform_info cnl_i2c_info = {
.clk_rate = 216000000,
.swnode = &spt_i2c_node,
@@ -108,8 +143,8 @@ static const struct acpi_device_id intel_lpss_acpi_ids[] = {
{ "INT3449", (kernel_ulong_t)&spt_uart_info },
{ "INT344A", (kernel_ulong_t)&spt_uart_info },
/* CNL */
- { "INT34B0", (kernel_ulong_t)&spt_info },
- { "INT34B1", (kernel_ulong_t)&spt_info },
+ { "INT34B0", (kernel_ulong_t)&cnl_info },
+ { "INT34B1", (kernel_ulong_t)&cnl_info },
{ "INT34B2", (kernel_ulong_t)&cnl_i2c_info },
{ "INT34B3", (kernel_ulong_t)&cnl_i2c_info },
{ "INT34B4", (kernel_ulong_t)&cnl_i2c_info },
@@ -119,7 +154,7 @@ static const struct acpi_device_id intel_lpss_acpi_ids[] = {
{ "INT34B8", (kernel_ulong_t)&spt_uart_info },
{ "INT34B9", (kernel_ulong_t)&spt_uart_info },
{ "INT34BA", (kernel_ulong_t)&spt_uart_info },
- { "INT34BC", (kernel_ulong_t)&spt_info },
+ { "INT34BC", (kernel_ulong_t)&cnl_info },
/* BXT */
{ "80860AAC", (kernel_ulong_t)&bxt_i2c_info },
{ "80860ABC", (kernel_ulong_t)&bxt_info },
@@ -136,6 +171,7 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
{
struct intel_lpss_platform_info *info;
const struct acpi_device_id *id;
+ int ret;
id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
if (!id)
@@ -149,10 +185,14 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
info->irq = platform_get_irq(pdev, 0);
+ ret = intel_lpss_probe(&pdev->dev, info);
+ if (ret)
+ return ret;
+
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
- return intel_lpss_probe(&pdev->dev, info);
+ return 0;
}
static int intel_lpss_acpi_remove(struct platform_device *pdev)