diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-03-08 13:42:41 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-03-30 16:39:04 +0300 |
| commit | 6cd853a45324e26d71d7848b7f0fe28b5c023375 (patch) | |
| tree | 2b5f77f5bd4e868337341754a5b884104215295c /drivers/pinctrl | |
| parent | a7bebdc5905ed23a3d33ec194a800b04b4161d3c (diff) | |
| download | linux-6cd853a45324e26d71d7848b7f0fe28b5c023375.tar.xz | |
pinctrl: renesas: r8a77980: Add support for AVB/GE power-sources
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@glider.be>
Link: https://lore.kernel.org/r/3c26c4f3735a6d071685c507c065172e63af5d70.1678271030.git.geert+renesas@glider.be
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/renesas/pfc-r8a77980.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/pinctrl/renesas/pfc-r8a77980.c b/drivers/pinctrl/renesas/pfc-r8a77980.c index b632ea1b29c7..8effbcec0b22 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[] = { |