* [PATCH] ACPI / LPSS: add lpss device for wpt
@ 2014-07-31 13:39 Jie Yang
0 siblings, 0 replies; only message in thread
From: Jie Yang @ 2014-07-31 13:39 UTC (permalink / raw)
To: linux-acpi
Cc: rjw, lenb, linux-kernel, andriy.shevchenko, liam.r.girdwood,
vinod.koul, yang.jie, mengdong.lin
Add lpss device "INT3438" for wpt, which also require
clock before the dma engine who is built in ADSP
probing. Otherwise, the probing may faild.
Signed-off-by: Jie Yang <yang.jie@intel.com>
---
drivers/acpi/acpi_lpss.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 9cb65b0..ce06149 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -113,6 +113,14 @@ static void lpss_i2c_setup(struct lpss_private_data *pdata)
writel(val, pdata->mmio_base + offset);
}
+static struct lpss_device_desc wpt_dev_desc = {
+ .clk_required = true,
+ .prv_offset = 0x800,
+ .ltr_required = true,
+ .clk_divider = true,
+ .clk_gate = true,
+};
+
static struct lpss_device_desc lpt_dev_desc = {
.clk_required = true,
.prv_offset = 0x800,
@@ -226,6 +234,8 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
{ "INT3436", LPSS_ADDR(lpt_sdio_dev_desc) },
{ "INT3437", },
+ { "INT3438", LPSS_ADDR(wpt_dev_desc) },
+
{ }
};
--
1.8.3.2
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