tegra: dts: Bring in GPIO bindings from linux

These files are taken from Linux 3.14.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>

8 files changed, 155 insertions, 28 deletions

diff --git a/arch/arm/dts/tegra114.dtsi b/arch/arm/dts/tegra114.dtsi
index f52fcf1..59434e0 100644
--- a/arch/arm/dts/tegra114.dtsi
+++ b/arch/arm/dts/tegra114.dtsi
@@ -1,3 +1,6 @@
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -46,17 +49,17 @@
 			      0 143 0x04>;
 	};
 
-	gpio: gpio {
+	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra114-gpio", "nvidia,tegra30-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04
-			      0 125 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
diff --git a/arch/arm/dts/tegra124.dtsi b/arch/arm/dts/tegra124.dtsi
index 18a8b24..4561c5f 100644
--- a/arch/arm/dts/tegra124.dtsi
+++ b/arch/arm/dts/tegra124.dtsi
@@ -1,3 +1,6 @@
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -49,14 +52,14 @@
 	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra124-gpio", "nvidia,tegra30-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04
-			      0 125 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi
index 3805750..a524f6e 100644
--- a/arch/arm/dts/tegra20.dtsi
+++ b/arch/arm/dts/tegra20.dtsi
@@ -1,3 +1,6 @@
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -139,10 +142,18 @@
 
 	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra20-gpio";
-		reg = < 0x6000d000 0x1000 >;
-		interrupts = < 64 65 66 67 87 119 121 >;
+		reg = <0x6000d000 0x1000>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
+		#interrupt-cells = <2>;
+		interrupt-controller;
 	};
 
 	pinmux: pinmux@70000000 {
diff --git a/arch/arm/dts/tegra30.dtsi b/arch/arm/dts/tegra30.dtsi
index fee1c36..7be3791 100644
--- a/arch/arm/dts/tegra30.dtsi
+++ b/arch/arm/dts/tegra30.dtsi
@@ -1,3 +1,6 @@
+#include <dt-bindings/gpio/tegra-gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -47,17 +50,17 @@
 		clocks = <&tegra_car 34>;
 	};
 
-	gpio: gpio {
+	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra30-gpio";
 		reg = <0x6000d000 0x1000>;
-		interrupts = <0 32 0x04
-			      0 33 0x04
-			      0 34 0x04
-			      0 35 0x04
-			      0 55 0x04
-			      0 87 0x04
-			      0 89 0x04
-			      0 125 0x04>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
 		#gpio-cells = <2>;
 		gpio-controller;
 		#interrupt-cells = <2>;
diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
new file mode 100644
index 0000000..e6b1e0a
--- /dev/null
+++ b/include/dt-bindings/gpio/gpio.h
@@ -0,0 +1,15 @@
+/*
+ * This header provides constants for most GPIO bindings.
+ *
+ * Most GPIO bindings include a flags cell as part of the GPIO specifier.
+ * In most cases, the format of the flags cell uses the standard values
+ * defined in this header.
+ */
+
+#ifndef _DT_BINDINGS_GPIO_GPIO_H
+#define _DT_BINDINGS_GPIO_GPIO_H
+
+#define GPIO_ACTIVE_HIGH 0
+#define GPIO_ACTIVE_LOW 1
+
+#endif
diff --git a/include/dt-bindings/gpio/tegra-gpio.h b/include/dt-bindings/gpio/tegra-gpio.h
new file mode 100644
index 0000000..197dc28
--- /dev/null
+++ b/include/dt-bindings/gpio/tegra-gpio.h
@@ -0,0 +1,51 @@
+/*
+ * This header provides constants for binding nvidia,tegra*-gpio.
+ *
+ * The first cell in Tegra's GPIO specifier is the GPIO ID. The macros below
+ * provide names for this.
+ *
+ * The second cell contains standard flag values specified in gpio.h.
+ */
+
+#ifndef _DT_BINDINGS_GPIO_TEGRA_GPIO_H
+#define _DT_BINDINGS_GPIO_TEGRA_GPIO_H
+
+#include <dt-bindings/gpio/gpio.h>
+
+#define TEGRA_GPIO_BANK_ID_A 0
+#define TEGRA_GPIO_BANK_ID_B 1
+#define TEGRA_GPIO_BANK_ID_C 2
+#define TEGRA_GPIO_BANK_ID_D 3
+#define TEGRA_GPIO_BANK_ID_E 4
+#define TEGRA_GPIO_BANK_ID_F 5
+#define TEGRA_GPIO_BANK_ID_G 6
+#define TEGRA_GPIO_BANK_ID_H 7
+#define TEGRA_GPIO_BANK_ID_I 8
+#define TEGRA_GPIO_BANK_ID_J 9
+#define TEGRA_GPIO_BANK_ID_K 10
+#define TEGRA_GPIO_BANK_ID_L 11
+#define TEGRA_GPIO_BANK_ID_M 12
+#define TEGRA_GPIO_BANK_ID_N 13
+#define TEGRA_GPIO_BANK_ID_O 14
+#define TEGRA_GPIO_BANK_ID_P 15
+#define TEGRA_GPIO_BANK_ID_Q 16
+#define TEGRA_GPIO_BANK_ID_R 17
+#define TEGRA_GPIO_BANK_ID_S 18
+#define TEGRA_GPIO_BANK_ID_T 19
+#define TEGRA_GPIO_BANK_ID_U 20
+#define TEGRA_GPIO_BANK_ID_V 21
+#define TEGRA_GPIO_BANK_ID_W 22
+#define TEGRA_GPIO_BANK_ID_X 23
+#define TEGRA_GPIO_BANK_ID_Y 24
+#define TEGRA_GPIO_BANK_ID_Z 25
+#define TEGRA_GPIO_BANK_ID_AA 26
+#define TEGRA_GPIO_BANK_ID_BB 27
+#define TEGRA_GPIO_BANK_ID_CC 28
+#define TEGRA_GPIO_BANK_ID_DD 29
+#define TEGRA_GPIO_BANK_ID_EE 30
+#define TEGRA_GPIO_BANK_ID_FF 31
+
+#define TEGRA_GPIO(bank, offset) \
+	((TEGRA_GPIO_BANK_ID_##bank * 8) + offset)
+
+#endif
diff --git a/include/dt-bindings/interrupt-controller/arm-gic.h b/include/dt-bindings/interrupt-controller/arm-gic.h
new file mode 100644
index 0000000..1ea1b70
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/arm-gic.h
@@ -0,0 +1,22 @@
+/*
+ * This header provides constants for the ARM GIC.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/* interrupt specific cell 0 */
+
+#define GIC_SPI 0
+#define GIC_PPI 1
+
+/*
+ * Interrupt specifier cell 2.
+ * The flaggs in irq.h are valid, plus those below.
+ */
+#define GIC_CPU_MASK_RAW(x) ((x) << 8)
+#define GIC_CPU_MASK_SIMPLE(num) GIC_CPU_MASK_RAW((1 << (num)) - 1)
+
+#endif
diff --git a/include/dt-bindings/interrupt-controller/irq.h b/include/dt-bindings/interrupt-controller/irq.h
new file mode 100644
index 0000000..33a1003
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/irq.h
@@ -0,0 +1,19 @@
+/*
+ * This header provides constants for most IRQ bindings.
+ *
+ * Most IRQ bindings include a flags cell as part of the IRQ specifier.
+ * In most cases, the format of the flags cell uses the standard values
+ * defined in this header.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+
+#define IRQ_TYPE_NONE		0
+#define IRQ_TYPE_EDGE_RISING	1
+#define IRQ_TYPE_EDGE_FALLING	2
+#define IRQ_TYPE_EDGE_BOTH	(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH	4
+#define IRQ_TYPE_LEVEL_LOW	8
+
+#endif