pinctrl: sh-pfc: r8a779[01]: Move 'union vin_data' to shared header file

[deliverable/linux.git] / drivers / pinctrl / sh-pfc / sh_pfc.h

diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index e00a4b12279c3e7d9e3272a07e3ae3bc95eaf77e..6ab4b46583de3b51f20660c3c0e1813b8899047c 100644 (file)
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -52,6 +52,29 @@ struct sh_pfc_pin_group {
        unsigned int nr_pins;
 };
 
+/*
+ * Using union vin_data saves memory occupied by the VIN data pins.
+ * VIN_DATA_PIN_GROUP() is  a macro  used  to describe the VIN pin groups
+ * in this case.
+ */
+#define VIN_DATA_PIN_GROUP(n, s)                               \
+       {                                                       \
+               .name = #n#s,                                   \
+               .pins = n##_pins.data##s,                       \
+               .mux = n##_mux.data##s,                         \
+               .nr_pins = ARRAY_SIZE(n##_pins.data##s),        \
+       }
+
+union vin_data {
+       unsigned int data24[24];
+       unsigned int data20[20];
+       unsigned int data16[16];
+       unsigned int data12[12];
+       unsigned int data10[10];
+       unsigned int data8[8];
+       unsigned int data4[4];
+};
+
 #define SH_PFC_FUNCTION(n)                             \
        {                                               \
                .name = #n,                             \