Add a generic way to describe bias registers (for pull-up/down control),
like is already done for config and drive registers.
This makes the sh-pfc core code aware of these registers, which will
ease introducing suspend/resume support later.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/pinctrl/sh-pfc/sh_pfc.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 8688b405e0813ad7..1914f4b5fef569b3 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -148,6 +148,17 @@ struct pinmux_drive_reg {
.reg = r, \
.fields =
+struct pinmux_bias_reg {
+ u32 puen; /* Pull-enable or pull-up control register */
+ u32 pud; /* Pull-up/down control register (optional) */
+ const u16 pins[32];
+};
+
+#define PINMUX_BIAS_REG(name1, r1, name2, r2) \
+ .puen = r1, \
+ .pud = r2, \
+ .pins =
+
struct pinmux_data_reg {
u32 reg;
u8 reg_width;
@@ -245,6 +256,7 @@ struct sh_pfc_soc_info {
const struct pinmux_cfg_reg *cfg_regs;
const struct pinmux_drive_reg *drive_regs;
+ const struct pinmux_bias_reg *bias_regs;
const struct pinmux_data_reg *data_regs;
const u16 *pinmux_data;
--
2.7.4
