[U-Boot] [RFC PATCH v2 05/13] tegra: dts: Bring in GPIO bindings from linux
Simon Glass
sjg at chromium.org
Mon May 5 18:09:02 CEST 2014
These files are taken from Linux 3.14.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2:
- Add new patch to bring in Tegra device tree files from linux
arch/arm/dts/tegra20.dtsi | 15 ++++++-
include/dt-bindings/gpio/gpio.h | 15 +++++++
include/dt-bindings/gpio/tegra-gpio.h | 51 ++++++++++++++++++++++
include/dt-bindings/interrupt-controller/arm-gic.h | 22 ++++++++++
include/dt-bindings/interrupt-controller/irq.h | 19 ++++++++
5 files changed, 120 insertions(+), 2 deletions(-)
create mode 100644 include/dt-bindings/gpio/gpio.h
create mode 100644 include/dt-bindings/gpio/tegra-gpio.h
create mode 100644 include/dt-bindings/interrupt-controller/arm-gic.h
create mode 100644 include/dt-bindings/interrupt-controller/irq.h
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 at 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 at 70000000 {
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
--
1.9.1.423.g4596e3a
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