pinctrl: sh-pfc: Add drive strength support
Add support for the drive-strengh pin configuration using the generic
pinconf DT bindings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 8714079..656ea32 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -28,6 +28,7 @@
#define SH_PFC_PIN_CFG_PULL_UP (1 << 2)
#define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3)
#define SH_PFC_PIN_CFG_IO_VOLTAGE (1 << 4)
+#define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 5)
#define SH_PFC_PIN_CFG_NO_GPIO (1 << 31)
struct sh_pfc_pin {
@@ -131,6 +132,21 @@
{ var_fw0, var_fwn, 0 }, \
.enum_ids = (const u16 [])
+struct pinmux_drive_reg_field {
+ u16 pin;
+ u8 offset;
+ u8 size;
+};
+
+struct pinmux_drive_reg {
+ u32 reg;
+ const struct pinmux_drive_reg_field fields[8];
+};
+
+#define PINMUX_DRIVE_REG(name, r) \
+ .reg = r, \
+ .fields =
+
struct pinmux_data_reg {
u32 reg;
u8 reg_width;
@@ -199,6 +215,7 @@
#endif
const struct pinmux_cfg_reg *cfg_regs;
+ const struct pinmux_drive_reg *drive_regs;
const struct pinmux_data_reg *data_regs;
const u16 *pinmux_data;