pinctrl: sirf: add DT-binding pinmux mapping support

This makes us possible to define pinmux mapping in board-specific DTS.
prima2.dtsi provides all possible (groups,functions) configuration, and
device in .dts select configurations from dtsi files.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 256 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/prima2-evb.dts b/arch/arm/boot/dts/prima2-evb.dts
new file mode 100644
index 00000000000..57286b4e7b8
--- /dev/null
+++ b/arch/arm/boot/dts/prima2-evb.dts
@@ -0,0 +1,37 @@
+/*
+ * DTS file for CSR SiRFprimaII Evaluation Board
+ *
+ * Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/dts-v1/;
+
+/include/ "prima2.dtsi"
+
+/ {
+	model = "CSR SiRFprimaII Evaluation Board";
+	compatible = "sirf,prima2", "sirf,prima2-cb";
+
+	memory {
+		reg = <0x00000000 0x20000000>;
+	};
+
+	axi {
+		peri-iobg {
+			uart@b0060000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&uart1_pins_a>;
+			};
+			spi@b00d0000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi0_pins_a>;
+			};
+			spi@b0170000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi1_pins_a>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi
index 1b716aae64f..055fca54212 100644
--- a/arch/arm/boot/dts/prima2.dtsi
+++ b/arch/arm/boot/dts/prima2.dtsi
@@ -277,14 +277,231 @@
 				interrupts = <33>;
 			};
 
-			gpio: gpio-controller@b0120000 {
+			gpio: pinctrl@b0120000 {
 				#gpio-cells = <2>;
 				#interrupt-cells = <2>;
-				compatible = "sirf,prima2-gpio-pinmux";
+				compatible = "sirf,prima2-pinctrl";
 				reg = <0xb0120000 0x10000>;
 				interrupts = <43 44 45 46 47>;
 				gpio-controller;
 				interrupt-controller;
+
+				lcd_16pins_a: lcd0@0 {
+					lcd {
+						sirf,pins = "lcd_16bitsgrp";
+						sirf,function = "lcd_16bits";
+					};
+				};
+				lcd_18pins_a: lcd0@1 {
+					lcd {
+						sirf,pins = "lcd_18bitsgrp";
+						sirf,function = "lcd_18bits";
+					};
+				};
+				lcd_24pins_a: lcd0@2 {
+					lcd {
+						sirf,pins = "lcd_24bitsgrp";
+						sirf,function = "lcd_24bits";
+					};
+				};
+				lcdrom_pins_a: lcdrom0@0 {
+					lcd {
+						sirf,pins = "lcdromgrp";
+						sirf,function = "lcdrom";
+					};
+				};
+				uart0_pins_a: uart0@0 {
+					uart {
+						sirf,pins = "uart0grp";
+						sirf,function = "uart0";
+					};
+				};
+				uart1_pins_a: uart1@0 {
+					uart {
+						sirf,pins = "uart1grp";
+						sirf,function = "uart1";
+					};
+				};
+				uart2_pins_a: uart2@0 {
+					uart {
+						sirf,pins = "uart2grp";
+						sirf,function = "uart2";
+					};
+				};
+				uart2_noflow_pins_a: uart2@1 {
+					uart {
+						sirf,pins = "uart2_nostreamctrlgrp";
+						sirf,function = "uart2_nostreamctrl";
+					};
+				};
+				spi0_pins_a: spi0@0 {
+					spi {
+						sirf,pins = "spi0grp";
+						sirf,function = "spi0";
+					};
+				};
+				spi1_pins_a: spi1@0 {
+					spi {
+						sirf,pins = "spi1grp";
+						sirf,function = "spi1";
+					};
+				};
+				i2c0_pins_a: i2c0@0 {
+					i2c {
+						sirf,pins = "i2c0grp";
+						sirf,function = "i2c0";
+					};
+				};
+				i2c1_pins_a: i2c1@0 {
+					i2c {
+						sirf,pins = "i2c1grp";
+						sirf,function = "i2c1";
+					};
+				};
+                                pwm0_pins_a: pwm0@0 {
+                                        pwm {
+                                                sirf,pins = "pwm0grp";
+                                                sirf,function = "pwm0";
+                                        };
+                                };
+                                pwm1_pins_a: pwm1@0 {
+                                        pwm {
+                                                sirf,pins = "pwm1grp";
+                                                sirf,function = "pwm1";
+                                        };
+                                };
+                                pwm2_pins_a: pwm2@0 {
+                                        pwm {
+                                                sirf,pins = "pwm2grp";
+                                                sirf,function = "pwm2";
+                                        };
+                                };
+                                pwm3_pins_a: pwm3@0 {
+                                        pwm {
+                                                sirf,pins = "pwm3grp";
+                                                sirf,function = "pwm3";
+                                        };
+                                };
+                                gps_pins_a: gps@0 {
+                                        gps {
+                                                sirf,pins = "gpsgrp";
+                                                sirf,function = "gps";
+                                        };
+                                };
+                                vip_pins_a: vip@0 {
+                                        vip {
+                                                sirf,pins = "vipgrp";
+                                                sirf,function = "vip";
+                                        };
+                                };
+                                sdmmc0_pins_a: sdmmc0@0 {
+                                        sdmmc0 {
+                                                sirf,pins = "sdmmc0grp";
+                                                sirf,function = "sdmmc0";
+                                        };
+                                };
+                                sdmmc1_pins_a: sdmmc1@0 {
+                                        sdmmc1 {
+                                                sirf,pins = "sdmmc1grp";
+                                                sirf,function = "sdmmc1";
+                                        };
+                                };
+                                sdmmc2_pins_a: sdmmc2@0 {
+                                        sdmmc2 {
+                                                sirf,pins = "sdmmc2grp";
+                                                sirf,function = "sdmmc2";
+                                        };
+                                };
+                                sdmmc3_pins_a: sdmmc3@0 {
+                                        sdmmc3 {
+                                                sirf,pins = "sdmmc3grp";
+                                                sirf,function = "sdmmc3";
+                                        };
+                                };
+                                sdmmc4_pins_a: sdmmc4@0 {
+                                        sdmmc4 {
+                                                sirf,pins = "sdmmc4grp";
+                                                sirf,function = "sdmmc4";
+                                        };
+                                };
+                                sdmmc5_pins_a: sdmmc5@0 {
+                                        sdmmc5 {
+                                                sirf,pins = "sdmmc5grp";
+                                                sirf,function = "sdmmc5";
+                                        };
+                                };
+                                i2s_pins_a: i2s@0 {
+                                        i2s {
+                                                sirf,pins = "i2sgrp";
+                                                sirf,function = "i2s";
+                                        };
+                                };
+                                ac97_pins_a: ac97@0 {
+                                        ac97 {
+                                                sirf,pins = "ac97grp";
+                                                sirf,function = "ac97";
+                                        };
+                                };
+                                nand_pins_a: nand@0 {
+                                        nand {
+                                                sirf,pins = "nandgrp";
+                                                sirf,function = "nand";
+                                        };
+                                };
+                                usp0_pins_a: usp0@0 {
+                                        usp0 {
+                                                sirf,pins = "usp0grp";
+                                                sirf,function = "usp0";
+                                        };
+                                };
+                                usp1_pins_a: usp1@0 {
+                                        usp1 {
+                                                sirf,pins = "usp1grp";
+                                                sirf,function = "usp1";
+                                        };
+                                };
+                                usp2_pins_a: usp2@0 {
+                                        usp2 {
+                                                sirf,pins = "usp2grp";
+                                                sirf,function = "usp2";
+                                        };
+                                };
+                                usb0_utmi_drvbus_pins_a: usb0_utmi_drvbus@0 {
+                                        usb0_utmi_drvbus {
+                                                sirf,pins = "usb0_utmi_drvbusgrp";
+                                                sirf,function = "usb0_utmi_drvbus";
+                                        };
+                                };
+                                usb1_utmi_drvbus_pins_a: usb1_utmi_drvbus@0 {
+                                        usb1_utmi_drvbus {
+                                                sirf,pins = "usb1_utmi_drvbusgrp";
+                                                sirf,function = "usb1_utmi_drvbus";
+                                        };
+                                };
+                                warm_rst_pins_a: warm_rst@0 {
+                                        warm_rst {
+                                                sirf,pins = "warm_rstgrp";
+                                                sirf,function = "warm_rst";
+                                        };
+                                };
+                                pulse_count_pins_a: pulse_count@0 {
+                                        pulse_count {
+                                                sirf,pins = "pulse_countgrp";
+                                                sirf,function = "pulse_count";
+                                        };
+                                };
+                                cko0_rst_pins_a: cko0_rst@0 {
+                                        cko0_rst {
+                                                sirf,pins = "cko0_rstgrp";
+                                                sirf,function = "cko0_rst";
+                                        };
+                                };
+                                cko1_rst_pins_a: cko1_rst@0 {
+                                        cko1_rst {
+                                                sirf,pins = "cko1_rstgrp";
+                                                sirf,function = "cko1_rst";
+                                        };
+                                };
 			};
 
 			pwm@b0130000 {