pinctrl: ocelot: add pwm output option for LAN966x

According to the reference manual, you can mux the PWM output on GPIO27
and GPIO51. This was missing in the pinmux table. Add it.

Tested on a LAN9668 on GPIO51.

Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220326192848.2944519-1-michael@walle.cc
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
index 003fb0e341537bd3efce6fe993bf0359f2b13174..abe4d97ed92736ba8f805fd8f06e465ccaece5a9 100644 (file)
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -137,6 +137,8 @@ enum {
        FUNC_PTPSYNC_6,
        FUNC_PTPSYNC_7,
        FUNC_PWM,
+       FUNC_PWM_a,
+       FUNC_PWM_b,
        FUNC_QSPI1,
        FUNC_QSPI2,
        FUNC_R,
@@ -260,6 +262,8 @@ static const char *const ocelot_function_names[] = {
        [FUNC_PTPSYNC_6]        = "ptpsync_6",
        [FUNC_PTPSYNC_7]        = "ptpsync_7",
        [FUNC_PWM]              = "pwm",
+       [FUNC_PWM_a]            = "pwm_a",
+       [FUNC_PWM_b]            = "pwm_b",
        [FUNC_QSPI1]            = "qspi1",
        [FUNC_QSPI2]            = "qspi2",
        [FUNC_R]                = "reserved",
@@ -975,7 +979,7 @@ LAN966X_P(23,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,     NONE,      NON
 LAN966X_P(24,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_IN_c,   TACHO_a,        R);
 LAN966X_P(25,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
 LAN966X_P(26,   GPIO,   FC0_b, IB_TRG_a,   USB_S_c, OB_TRG_a,   CAN0_a,    SFP_SD,        R);
-LAN966X_P(27,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,   CAN0_a,      NONE,        R);
+LAN966X_P(27,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,   CAN0_a,     PWM_a,        R);
 LAN966X_P(28,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
 LAN966X_P(29,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
 LAN966X_P(30,   GPIO,   FC3_c,     CAN1,      NONE,   OB_TRG,   RECO_b,      NONE,        R);
@@ -999,7 +1003,7 @@ LAN966X_P(47,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN
 LAN966X_P(48,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a,       R);
 LAN966X_P(49,   GPIO, FC_SHRD7,  OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a,   R);
 LAN966X_P(50,   GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE,       R);
-LAN966X_P(51,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,    NONE,  IRQ_IN_b,       R);
+LAN966X_P(51,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,   PWM_b,  IRQ_IN_b,       R);
 LAN966X_P(52,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b,  IRQ_IN_b,       R);
 LAN966X_P(53,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,    NONE,  IRQ_IN_b,       R);
 LAN966X_P(54,   GPIO, FC_SHRD8,  OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b,   R);