pinctrl: uniphier: support pin configuration for dedicated pins

PH1-LD4 and PH1-sLD8 SoCs have pins that support pin configuration
(pin biasing, drive strength control), but not pin-muxing.

Allow to fill the mux value table with -1 for those pins; pins with
mux value -1 will be skipped in the pin-mux set function.  The mux
value type should be changed from "unsigned" to "int" in order to
accommodate -1 as a special case.

[ Linux commit: 363c90e743b50a432a91a211dd8b078d9df446e9 ]

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 21 insertions, 22 deletions

diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
index 72b9b39884..2c6b4f9d12 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
@@ -23,49 +23,48 @@ static const struct uniphier_pinctrl_pin uniphier_pro5_pins[] = {
 };
 
 static const unsigned emmc_pins[] = {36, 37, 38, 39, 40, 41, 42};
-static const unsigned emmc_muxvals[] = {0, 0, 0, 0, 0, 0, 0};
+static const int emmc_muxvals[] = {0, 0, 0, 0, 0, 0, 0};
 static const unsigned emmc_dat8_pins[] = {43, 44, 45, 46};
-static const unsigned emmc_dat8_muxvals[] = {0, 0, 0, 0};
+static const int emmc_dat8_muxvals[] = {0, 0, 0, 0};
 static const unsigned i2c0_pins[] = {112, 113};
-static const unsigned i2c0_muxvals[] = {0, 0};
+static const int i2c0_muxvals[] = {0, 0};
 static const unsigned i2c1_pins[] = {114, 115};
-static const unsigned i2c1_muxvals[] = {0, 0};
+static const int i2c1_muxvals[] = {0, 0};
 static const unsigned i2c2_pins[] = {116, 117};
-static const unsigned i2c2_muxvals[] = {0, 0};
+static const int i2c2_muxvals[] = {0, 0};
 static const unsigned i2c3_pins[] = {118, 119};
-static const unsigned i2c3_muxvals[] = {0, 0};
+static const int i2c3_muxvals[] = {0, 0};
 static const unsigned i2c5_pins[] = {87, 88};
-static const unsigned i2c5_muxvals[] = {2, 2};
+static const int i2c5_muxvals[] = {2, 2};
 static const unsigned i2c5b_pins[] = {196, 197};
-static const unsigned i2c5b_muxvals[] = {2, 2};
+static const int i2c5b_muxvals[] = {2, 2};
 static const unsigned i2c5c_pins[] = {215, 216};
-static const unsigned i2c5c_muxvals[] = {2, 2};
+static const int i2c5c_muxvals[] = {2, 2};
 static const unsigned i2c6_pins[] = {101, 102};
-static const unsigned i2c6_muxvals[] = {2, 2};
+static const int i2c6_muxvals[] = {2, 2};
 static const unsigned nand_pins[] = {19, 20, 21, 22, 23, 24, 25, 28, 29, 30,
 				     31, 32, 33, 34, 35};
-static const unsigned nand_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-					0, 0};
+static const int nand_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 static const unsigned nand_cs1_pins[] = {26, 27};
-static const unsigned nand_cs1_muxvals[] = {0, 0};
+static const int nand_cs1_muxvals[] = {0, 0};
 static const unsigned sd_pins[] = {250, 251, 252, 253, 254, 255, 256, 257, 258};
-static const unsigned sd_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
+static const int sd_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
 static const unsigned uart0_pins[] = {47, 48};
-static const unsigned uart0_muxvals[] = {0, 0};
+static const int uart0_muxvals[] = {0, 0};
 static const unsigned uart0b_pins[] = {227, 228};
-static const unsigned uart0b_muxvals[] = {3, 3};
+static const int uart0b_muxvals[] = {3, 3};
 static const unsigned uart1_pins[] = {49, 50};
-static const unsigned uart1_muxvals[] = {0, 0};
+static const int uart1_muxvals[] = {0, 0};
 static const unsigned uart2_pins[] = {51, 52};
-static const unsigned uart2_muxvals[] = {0, 0};
+static const int uart2_muxvals[] = {0, 0};
 static const unsigned uart3_pins[] = {53, 54};
-static const unsigned uart3_muxvals[] = {0, 0};
+static const int uart3_muxvals[] = {0, 0};
 static const unsigned usb0_pins[] = {124, 125};
-static const unsigned usb0_muxvals[] = {0, 0};
+static const int usb0_muxvals[] = {0, 0};
 static const unsigned usb1_pins[] = {126, 127};
-static const unsigned usb1_muxvals[] = {0, 0};
+static const int usb1_muxvals[] = {0, 0};
 static const unsigned usb2_pins[] = {128, 129};
-static const unsigned usb2_muxvals[] = {0, 0};
+static const int usb2_muxvals[] = {0, 0};
 
 static const struct uniphier_pinctrl_group uniphier_pro5_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(emmc),