pinctrl: renesas: r8a779a0: Add TPU pins, groups and functions

Add pins, groups and functions for the 16-Bit Timer Pulse Unit outputs
on the R-Car R8A779A0 (V3U) SoC.

Signed-off-by: Ulrich Hecht <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Geert Uytterhoeven <[e-mail]>

drivers/pinctrl/renesas/pfc-r8a779a0.c

···
 	TCLK4_MARK,
 };
 
+/* - TPU ------------------------------------------------------------------- */
+static const unsigned int tpu_to0_pins[] = {
+	/* TPU0TO0 */
+	RCAR_GP_PIN(2, 21),
+};
+static const unsigned int tpu_to0_mux[] = {
+	TPU0TO0_MARK,
+};
+static const unsigned int tpu_to1_pins[] = {
+	/* TPU0TO1 */
+	RCAR_GP_PIN(2, 22),
+};
+static const unsigned int tpu_to1_mux[] = {
+	TPU0TO1_MARK,
+};
+static const unsigned int tpu_to2_pins[] = {
+	/* TPU0TO2 */
+	RCAR_GP_PIN(3, 5),
+};
+static const unsigned int tpu_to2_mux[] = {
+	TPU0TO2_MARK,
+};
+static const unsigned int tpu_to3_pins[] = {
+	/* TPU0TO3 */
+	RCAR_GP_PIN(3, 6),
+};
+static const unsigned int tpu_to3_mux[] = {
+	TPU0TO3_MARK,
+};
+
 static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(avb0_link),
 	SH_PFC_PIN_GROUP(avb0_magic),
···
 	SH_PFC_PIN_GROUP(tmu_tclk2_b),
 	SH_PFC_PIN_GROUP(tmu_tclk3),
 	SH_PFC_PIN_GROUP(tmu_tclk4),
+
+	SH_PFC_PIN_GROUP(tpu_to0),
+	SH_PFC_PIN_GROUP(tpu_to1),
+	SH_PFC_PIN_GROUP(tpu_to2),
+	SH_PFC_PIN_GROUP(tpu_to3),
 };
 
 static const char * const avb0_groups[] = {
···
 	"tmu_tclk4",
 };
 
+static const char * const tpu_groups[] = {
+	"tpu_to0",
+	"tpu_to1",
+	"tpu_to2",
+	"tpu_to3",
+};
+
 static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(avb0),
 	SH_PFC_FUNCTION(avb1),
···
 	SH_PFC_FUNCTION(scif_clk),
 
 	SH_PFC_FUNCTION(tmu),
+
+	SH_PFC_FUNCTION(tpu),
 };
 
 static const struct pinmux_cfg_reg pinmux_config_regs[] = {