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authorArnd Bergmann <arnd@arndb.de>2011-12-28 00:18:10 +0000
committerArnd Bergmann <arnd@arndb.de>2011-12-28 00:18:10 +0000
commitbd4b9ba4cf9338932a065cd752fb5f28b26e4e39 (patch)
tree88725708d3f2696f1c2373cf62d0b997c207e861 /Documentation
parente814fb635cd269532a6a95a921c05841ababa7ae (diff)
parent8a44930a11de8d66f92145fd2d2464ab4fba696b (diff)
downloadop-kernel-dev-bd4b9ba4cf9338932a065cd752fb5f28b26e4e39.zip
op-kernel-dev-bd4b9ba4cf9338932a065cd752fb5f28b26e4e39.tar.gz
Merge branch 'samsung/cleanup' into next/drivers
Dependency for the samsung/drivers branch Conflicts: arch/arm/mach-exynos/Makefile Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/insignal-boards.txt8
-rw-r--r--Documentation/devicetree/bindings/arm/samsung-boards.txt8
-rw-r--r--Documentation/devicetree/bindings/dma/arm-pl330.txt30
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-samsung.txt40
-rw-r--r--Documentation/devicetree/bindings/input/samsung-keypad.txt88
-rw-r--r--Documentation/devicetree/bindings/rtc/s3c-rtc.txt20
-rw-r--r--Documentation/devicetree/bindings/serial/samsung_uart.txt14
7 files changed, 208 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/insignal-boards.txt b/Documentation/devicetree/bindings/arm/insignal-boards.txt
new file mode 100644
index 0000000..524c3dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/insignal-boards.txt
@@ -0,0 +1,8 @@
+* Insignal's Exynos4210 based Origen evaluation board
+
+Origen low-cost evaluation board is based on Samsung's Exynos4210 SoC.
+
+Required root node properties:
+ - compatible = should be one or more of the following.
+ (a) "samsung,smdkv310" - for Samsung's SMDKV310 eval board.
+ (b) "samsung,exynos4210" - for boards based on Exynos4210 SoC.
diff --git a/Documentation/devicetree/bindings/arm/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung-boards.txt
new file mode 100644
index 0000000..0bf68be
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+++ b/Documentation/devicetree/bindings/arm/samsung-boards.txt
@@ -0,0 +1,8 @@
+* Samsung's Exynos4210 based SMDKV310 evaluation board
+
+SMDKV310 evaluation board is based on Samsung's Exynos4210 SoC.
+
+Required root node properties:
+ - compatible = should be one or more of the following.
+ (a) "samsung,smdkv310" - for Samsung's SMDKV310 eval board.
+ (b) "samsung,exynos4210" - for boards based on Exynos4210 SoC.
diff --git a/Documentation/devicetree/bindings/dma/arm-pl330.txt b/Documentation/devicetree/bindings/dma/arm-pl330.txt
new file mode 100644
index 0000000..a4cd273
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/arm-pl330.txt
@@ -0,0 +1,30 @@
+* ARM PrimeCell PL330 DMA Controller
+
+The ARM PrimeCell PL330 DMA controller can move blocks of memory contents
+between memory and peripherals or memory to memory.
+
+Required properties:
+ - compatible: should include both "arm,pl330" and "arm,primecell".
+ - reg: physical base address of the controller and length of memory mapped
+ region.
+ - interrupts: interrupt number to the cpu.
+
+Example:
+
+ pdma0: pdma@12680000 {
+ compatible = "arm,pl330", "arm,primecell";
+ reg = <0x12680000 0x1000>;
+ interrupts = <99>;
+ };
+
+Client drivers (device nodes requiring dma transfers from dev-to-mem or
+mem-to-dev) should specify the DMA channel numbers using a two-value pair
+as shown below.
+
+ [property name] = <[phandle of the dma controller] [dma request id]>;
+
+ where 'dma request id' is the dma request number which is connected
+ to the client controller. The 'property name' is recommended to be
+ of the form <name>-dma-channel.
+
+ Example: tx-dma-channel = <&pdma0 12>;
diff --git a/Documentation/devicetree/bindings/gpio/gpio-samsung.txt b/Documentation/devicetree/bindings/gpio/gpio-samsung.txt
new file mode 100644
index 0000000..8f50fe5
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-samsung.txt
@@ -0,0 +1,40 @@
+Samsung Exynos4 GPIO Controller
+
+Required properties:
+- compatible: Compatible property value should be "samsung,exynos4-gpio>".
+
+- reg: Physical base address of the controller and length of memory mapped
+ region.
+
+- #gpio-cells: Should be 4. The syntax of the gpio specifier used by client nodes
+ should be the following with values derived from the SoC user manual.
+ <[phandle of the gpio controller node]
+ [pin number within the gpio controller]
+ [mux function]
+ [pull up/down]
+ [drive strength]>
+
+ Values for gpio specifier:
+ - Pin number: is a value between 0 to 7.
+ - Pull Up/Down: 0 - Pull Up/Down Disabled.
+ 1 - Pull Down Enabled.
+ 3 - Pull Up Enabled.
+ - Drive Strength: 0 - 1x,
+ 1 - 3x,
+ 2 - 2x,
+ 3 - 4x
+
+- gpio-controller: Specifies that the node is a gpio controller.
+- #address-cells: should be 1.
+- #size-cells: should be 1.
+
+Example:
+
+ gpa0: gpio-controller@11400000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "samsung,exynos4-gpio";
+ reg = <0x11400000 0x20>;
+ #gpio-cells = <4>;
+ gpio-controller;
+ };
diff --git a/Documentation/devicetree/bindings/input/samsung-keypad.txt b/Documentation/devicetree/bindings/input/samsung-keypad.txt
new file mode 100644
index 0000000..ce3e394
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/samsung-keypad.txt
@@ -0,0 +1,88 @@
+* Samsung's Keypad Controller device tree bindings
+
+Samsung's Keypad controller is used to interface a SoC with a matrix-type
+keypad device. The keypad controller supports multiple row and column lines.
+A key can be placed at each intersection of a unique row and a unique column.
+The keypad controller can sense a key-press and key-release and report the
+event using a interrupt to the cpu.
+
+Required SoC Specific Properties:
+- compatible: should be one of the following
+ - "samsung,s3c6410-keypad": For controllers compatible with s3c6410 keypad
+ controller.
+ - "samsung,s5pv210-keypad": For controllers compatible with s5pv210 keypad
+ controller.
+
+- reg: physical base address of the controller and length of memory mapped
+ region.
+
+- interrupts: The interrupt number to the cpu.
+
+Required Board Specific Properties:
+- samsung,keypad-num-rows: Number of row lines connected to the keypad
+ controller.
+
+- samsung,keypad-num-columns: Number of column lines connected to the
+ keypad controller.
+
+- row-gpios: List of gpios used as row lines. The gpio specifier for
+ this property depends on the gpio controller to which these row lines
+ are connected.
+
+- col-gpios: List of gpios used as column lines. The gpio specifier for
+ this property depends on the gpio controller to which these column
+ lines are connected.
+
+- Keys represented as child nodes: Each key connected to the keypad
+ controller is represented as a child node to the keypad controller
+ device node and should include the following properties.
+ - keypad,row: the row number to which the key is connected.
+ - keypad,column: the column number to which the key is connected.
+ - linux,code: the key-code to be reported when the key is pressed
+ and released.
+
+Optional Properties specific to linux:
+- linux,keypad-no-autorepeat: do no enable autorepeat feature.
+- linux,keypad-wakeup: use any event on keypad as wakeup event.
+
+
+Example:
+ keypad@100A0000 {
+ compatible = "samsung,s5pv210-keypad";
+ reg = <0x100A0000 0x100>;
+ interrupts = <173>;
+ samsung,keypad-num-rows = <2>;
+ samsung,keypad-num-columns = <8>;
+ linux,input-no-autorepeat;
+ linux,input-wakeup;
+
+ row-gpios = <&gpx2 0 3 3 0
+ &gpx2 1 3 3 0>;
+
+ col-gpios = <&gpx1 0 3 0 0
+ &gpx1 1 3 0 0
+ &gpx1 2 3 0 0
+ &gpx1 3 3 0 0
+ &gpx1 4 3 0 0
+ &gpx1 5 3 0 0
+ &gpx1 6 3 0 0
+ &gpx1 7 3 0 0>;
+
+ key_1 {
+ keypad,row = <0>;
+ keypad,column = <3>;
+ linux,code = <2>;
+ };
+
+ key_2 {
+ keypad,row = <0>;
+ keypad,column = <4>;
+ linux,code = <3>;
+ };
+
+ key_3 {
+ keypad,row = <0>;
+ keypad,column = <5>;
+ linux,code = <4>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
new file mode 100644
index 0000000..90ec45f
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
@@ -0,0 +1,20 @@
+* Samsung's S3C Real Time Clock controller
+
+Required properties:
+- compatible: should be one of the following.
+ * "samsung,s3c2410-rtc" - for controllers compatible with s3c2410 rtc.
+ * "samsung,s3c6410-rtc" - for controllers compatible with s3c6410 rtc.
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- interrupts: Two interrupt numbers to the cpu should be specified. First
+ interrupt number is the rtc alarm interupt and second interrupt number
+ is the rtc tick interrupt. The number of cells representing a interrupt
+ depends on the parent interrupt controller.
+
+Example:
+
+ rtc@10070000 {
+ compatible = "samsung,s3c6410-rtc";
+ reg = <0x10070000 0x100>;
+ interrupts = <44 0 45 0>;
+ };
diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.txt b/Documentation/devicetree/bindings/serial/samsung_uart.txt
new file mode 100644
index 0000000..2c8a17c
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.txt
@@ -0,0 +1,14 @@
+* Samsung's UART Controller
+
+The Samsung's UART controller is used for interfacing SoC with serial communicaion
+devices.
+
+Required properties:
+- compatible: should be
+ - "samsung,exynos4210-uart", for UART's compatible with Exynos4210 uart ports.
+
+- reg: base physical address of the controller and length of memory mapped
+ region.
+
+- interrupts: interrupt number to the cpu. The interrupt specifier format depends
+ on the interrupt controller parent.
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