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Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/ad7879.h12
-rw-r--r--include/linux/spi/dw_spi.h5
2 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
index 4231104c9afa..6334cee1a3be 100644
--- a/include/linux/spi/ad7879.h
+++ b/include/linux/spi/ad7879.h
@@ -28,8 +28,12 @@ struct ad7879_platform_data {
* 1 = 4, 2 = 8, 3 = 16 (median > averaging)
*/
u8 median;
- /* 1 = AUX/VBAT/GPIO set to GPIO Output */
- u8 gpio_output;
- /* Initial GPIO pin state (valid if gpio_output = 1) */
- u8 gpio_default;
+ /* 1 = AUX/VBAT/GPIO export GPIO to gpiolib
+ * requires CONFIG_GPIOLIB
+ */
+ bool gpio_export;
+ /* identifies the first GPIO number handled by this chip;
+ * or, if negative, requests dynamic ID allocation.
+ */
+ s32 gpio_base;
};
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
index 51b3e771a9a3..cc813f95a2f2 100644
--- a/include/linux/spi/dw_spi.h
+++ b/include/linux/spi/dw_spi.h
@@ -90,6 +90,7 @@ struct dw_spi {
unsigned long paddr;
u32 iolen;
int irq;
+ u32 fifo_len; /* depth of the FIFO buffer */
u32 max_freq; /* max bus freq supported */
u16 bus_num;
@@ -171,6 +172,10 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
{
if (cs > dws->num_cs)
return;
+
+ if (dws->cs_control)
+ dws->cs_control(1);
+
dw_writel(dws, ser, 1 << cs);
}