pinctrl: uniphier: Add another audio I/O pin-mux settings for LD20

This adds support for pinmux settings of aout1b group. This group includes
audio I/O signals derived from xirq pins, and it is equivalent to "aout1"
in functionality.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1564465410-9165-3-git-send-email-hayashi.kunihiko@socionext.comAcked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c

@@ -544,6 +544,8 @@ static const struct pinctrl_pin_desc uniphier_ld20_pins[] = {
 
 static const unsigned aout1_pins[] = {137, 138, 139, 140, 141, 142};
 static const int aout1_muxvals[] = {0, 0, 0, 0, 0, 0};
+static const unsigned aout1b_pins[] = {150, 151, 152, 153, 154, 155, 156};
+static const int aout1b_muxvals[] = {1, 1, 1, 1, 1, 1, 1};
 static const unsigned aoutiec1_pins[] = {135, 136};
 static const int aoutiec1_muxvals[] = {0, 0};
 static const unsigned int emmc_pins[] = {19, 20, 21, 22, 23, 24, 25};
@@ -664,6 +666,7 @@ static const unsigned int gpio_range2_pins[] = {
 
 static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(aout1),
+	UNIPHIER_PINCTRL_GROUP(aout1b),
 	UNIPHIER_PINCTRL_GROUP(aoutiec1),
 	UNIPHIER_PINCTRL_GROUP(emmc),
 	UNIPHIER_PINCTRL_GROUP(emmc_dat8),
@@ -707,7 +710,7 @@ static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
 	UNIPHIER_PINCTRL_GROUP_GPIO(gpio_range2),
 };
 
-static const char * const aout1_groups[] = {"aout1"};
+static const char * const aout1_groups[] = {"aout1", "aout1b"};
 static const char * const aoutiec1_groups[] = {"aoutiec1"};
 static const char * const emmc_groups[] = {"emmc", "emmc_dat8"};
 static const char * const ether_rgmii_groups[] = {"ether_rgmii"};