Add support for configuring the I/O voltage levels of the Ethernet AVB
and Gigabit Ethernet pins on the R-Car V3H SoC. "PIN_VDDQ_AVB" and
"PIN_VDDQ_GE" can be configured for 2.5V or 3.3V operation.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/pinctrl/renesas/pfc-r8a77980.c | 39 ++++++++++++++++++--------
1 file changed, 28 insertions(+), 11 deletions(-)
diff --git a/drivers/pinctrl/renesas/pfc-r8a77980.c b/drivers/pinctrl/renesas/pfc-r8a77980.c
index b632ea1b29c73e3a..8effbcec0b227ee3 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77980.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77980.c
@@ -35,7 +35,9 @@
PIN_NOGP_CFG(EXTALR, "EXTALR", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \
PIN_NOGP_CFG(FSCLKST, "FSCLKST", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \
PIN_NOGP_CFG(FSCLKST_N, "FSCLKST#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \
- PIN_NOGP_CFG(PRESETOUT_N, "PRESETOUT#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN)
+ PIN_NOGP_CFG(PRESETOUT_N, "PRESETOUT#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \
+ PIN_NOGP_CFG(VDDQ_AVB, "VDDQ_AVB", fn, SH_PFC_PIN_CFG_IO_VOLTAGE_25_33), \
+ PIN_NOGP_CFG(VDDQ_GE, "VDDQ_GE", fn, SH_PFC_PIN_CFG_IO_VOLTAGE_25_33)
/*
* F_() : just information
@@ -2837,24 +2839,39 @@ static int r8a77980_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
{
int bit = pin & 0x1f;
- *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg;
- if (pin >= RCAR_GP_PIN(0, 0) && pin <= RCAR_GP_PIN(0, 21))
+ switch (pin) {
+ case RCAR_GP_PIN(0, 0) ... RCAR_GP_PIN(0, 21):
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg;
return bit;
- else if (pin >= RCAR_GP_PIN(2, 0) && pin <= RCAR_GP_PIN(2, 9))
+
+ case RCAR_GP_PIN(2, 0) ... RCAR_GP_PIN(2, 9):
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg;
return bit + 22;
- *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg;
- if (pin >= RCAR_GP_PIN(2, 10) && pin <= RCAR_GP_PIN(2, 16))
+ case RCAR_GP_PIN(2, 10) ... RCAR_GP_PIN(2, 16):
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg;
return bit - 10;
- if ((pin >= RCAR_GP_PIN(2, 17) && pin <= RCAR_GP_PIN(2, 24)) ||
- (pin >= RCAR_GP_PIN(3, 0) && pin <= RCAR_GP_PIN(3, 16)))
+
+ case RCAR_GP_PIN(2, 17) ... RCAR_GP_PIN(2, 24):
+ case RCAR_GP_PIN(3, 0) ... RCAR_GP_PIN(3, 16):
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg;
return bit + 7;
- *pocctrl = pinmux_ioctrl_regs[POCCTRL2].reg;
- if (pin >= RCAR_GP_PIN(2, 25) && pin <= RCAR_GP_PIN(2, 29))
+ case RCAR_GP_PIN(2, 25) ... RCAR_GP_PIN(2, 29):
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL2].reg;
return pin - 25;
- return -EINVAL;
+ case PIN_VDDQ_AVB:
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL3].reg;
+ return 0;
+
+ case PIN_VDDQ_GE:
+ *pocctrl = pinmux_ioctrl_regs[POCCTRL3].reg;
+ return 1;
+
+ default:
+ return -EINVAL;
+ }
}
static const struct pinmux_bias_reg pinmux_bias_regs[] = {
--
2.34.1
