Add SH_PFC_PIN_CFG_IO_VOLTAGE definition for the SDHI2 pins
capable of switching voltage. Please note that with the
RZ/G1C only 1 bit of the POC Control Register is used to
control each interface.
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
---
drivers/pinctrl/sh-pfc/pfc-r8a77470.c | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77470.c b/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
index 9d3ed43..a1248e2 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
@@ -17,7 +17,19 @@
PORT_GP_1(3, 27, fn, sfx), \
PORT_GP_1(3, 28, fn, sfx), \
PORT_GP_1(3, 29, fn, sfx), \
- PORT_GP_26(4, fn, sfx), \
+ PORT_GP_14(4, fn, sfx), \
+ PORT_GP_CFG_1(4, 14, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_CFG_1(4, 15, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_CFG_1(4, 16, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_CFG_1(4, 17, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_CFG_1(4, 18, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_CFG_1(4, 19, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \
+ PORT_GP_1(4, 20, fn, sfx), \
+ PORT_GP_1(4, 21, fn, sfx), \
+ PORT_GP_1(4, 22, fn, sfx), \
+ PORT_GP_1(4, 23, fn, sfx), \
+ PORT_GP_1(4, 24, fn, sfx), \
+ PORT_GP_1(4, 25, fn, sfx), \
PORT_GP_32(5, fn, sfx)
enum {
@@ -2321,9 +2333,27 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
{ },
};
+static int r8a77470_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
+ u32 *pocctrl)
+{
+ unsigned int _bank = pin >> 5;
+ unsigned int _pin = pin & 0x1f;
+ *pocctrl = 0xe60600b0;
+
+ if (_bank == 4 && _pin >= 14 && _pin <= 19)
+ return 1;
+
+ return -EINVAL;
+}
+
+static const struct sh_pfc_soc_operations r8a77470_pinmux_ops = {
+ .pin_to_pocctrl = r8a77470_pin_to_pocctrl,
+};
+
#ifdef CONFIG_PINCTRL_PFC_R8A77470
const struct sh_pfc_soc_info r8a77470_pinmux_info = {
.name = "r8a77470_pfc",
+ .ops = &r8a77470_pinmux_ops,
.unlock_reg = 0xe6060000, /* PMMR */
.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
--
2.7.4
