Revert "Revert "pio: Add pin devices, spi0 fix to device tree""

am: cd82bdd625

Change-Id: Iaa87f58aa31833528f289a97d630b825eed4976c

3 files changed, 350 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index 2d3437d634b4..43c15add4dd0 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -33,6 +33,7 @@ dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dac.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dacplus.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi-pro.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += bcm2710-rpi-3-b-spi0-pin-reorder.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += generic-i2s.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hy28a.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo
@@ -78,6 +79,7 @@ dtbo-$(RPI_DT_OVERLAYS) += rpi-ft5406.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += rpi-proto.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += rpi-sense.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += rra-digidac1-wm8741-audio.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += runtimepinconfig.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += sc16is750-i2c.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += sc16is752-spi1.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += sdhost.dtbo
diff --git a/arch/arm/boot/dts/overlays/bcm2710-rpi-3-b-spi0-pin-reorder-overlay.dts b/arch/arm/boot/dts/overlays/bcm2710-rpi-3-b-spi0-pin-reorder-overlay.dts
new file mode 100644
index 000000000000..07a466c10915
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/bcm2710-rpi-3-b-spi0-pin-reorder-overlay.dts
@@ -0,0 +1,18 @@
+/dts-v1/;
+/plugin/;
+
+/{
+  fragment@0 {
+    target = <&spi0_cs_pins>;
+    __overlay__ {
+      brcm,pins = <7 8>;
+    };
+  };
+
+  fragment@1 {
+    target = <&spi0>;
+    __overlay__ {
+      pinctrl-0 = <&spi0_cs_pins &spi0_pins>;
+    };
+  };
+};
diff --git a/arch/arm/boot/dts/overlays/runtimepinconfig-overlay.dts b/arch/arm/boot/dts/overlays/runtimepinconfig-overlay.dts
new file mode 100644
index 000000000000..c47a9bdd69f8
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/runtimepinconfig-overlay.dts
@@ -0,0 +1,330 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+  fragment@0 {
+    target = <&soc>;
+    __overlay__ {
+      android-things-pins {
+        compatible = "simple-bus";
+
+        BCM2 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin2_config>;
+        };
+
+        BCM3 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin3_config>;
+        };
+
+        BCM4 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin4_config>;
+        };
+
+        BCM5 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin5_config>;
+        };
+
+        BCM6 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin6_config>;
+        };
+
+        BCM7 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin7_config>;
+        };
+
+        BCM8 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin8_config>;
+        };
+
+        BCM9 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin9_config>;
+        };
+
+        BCM10 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin10_config>;
+        };
+
+        BCM11 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin11_config>;
+        };
+
+        BCM12 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin12_config>;
+        };
+
+        BCM13 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin13_config>;
+        };
+
+        BCM14 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin14_config>;
+        };
+
+        BCM15 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin15_config>;
+        };
+
+        BCM16 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin16_config>;
+        };
+
+        BCM17 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin17_config>;
+        };
+
+        BCM18 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin18_config>;
+        };
+
+        BCM19 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin19_config>;
+        };
+
+        BCM20 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin20_config>;
+        };
+
+        BCM21 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin21_config>;
+        };
+
+        BCM22 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin22_config>;
+        };
+
+        BCM23 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin23_config>;
+        };
+
+        BCM24 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin24_config>;
+        };
+
+        BCM25 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin25_config>;
+        };
+
+        BCM26 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin26_config>;
+        };
+
+        BCM27 {
+          compatible = "google,android-things-pins";
+          pinctrl-names = "default";
+          pinctrl-0 = <&pin27_config>;
+        };
+      };
+    };
+  };
+
+  fragment@1 {
+    target = <&gpio>;
+    __overlay__ {
+      pin2_config: pin2_config {
+        brcm,pins = <2>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin3_config: pin3_config {
+        brcm,pins = <3>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin4_config: pin4_config {
+        brcm,pins = <4>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin5_config: pin5_config {
+        brcm,pins = <5>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin6_config: pin6_config {
+        brcm,pins = <6>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin7_config: pin7_config {
+        brcm,pins = <7>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin8_config: pin8_config {
+        brcm,pins = <8>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin9_config: pin9_config {
+        brcm,pins = <9>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin10_config: pin10_config {
+        brcm,pins = <10>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin11_config: pin11_config {
+        brcm,pins = <11>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin12_config: pin12_config {
+        brcm,pins = <12>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin13_config: pin13_config {
+        brcm,pins = <13>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin14_config: pin14_config {
+        brcm,pins = <14>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin15_config: pin15_config {
+        brcm,pins = <15>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin16_config: pin16_config {
+        brcm,pins = <16>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin17_config: pin17_config {
+        brcm,pins = <17>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin18_config: pin18_config {
+        brcm,pins = <18>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin19_config: pin19_config {
+        brcm,pins = <19>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin20_config: pin20_config {
+        brcm,pins = <20>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin21_config: pin21_config {
+        brcm,pins = <21>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin22_config: pin22_config {
+        brcm,pins = <22>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin23_config: pin23_config {
+        brcm,pins = <23>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin24_config: pin24_config {
+        brcm,pins = <24>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin25_config: pin25_config {
+        brcm,pins = <25>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin26_config: pin26_config {
+        brcm,pins = <26>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+
+      pin27_config: pin27_config {
+        brcm,pins = <27>;
+        brcm,function = <0>;
+        brcm,pull = <0>;
+      };
+    };
+  };
+};