diff options
Diffstat (limited to 'Documentation/powerpc')
-rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/board.txt | 4 | ||||
-rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/mpc5200.txt | 27 | ||||
-rw-r--r-- | Documentation/powerpc/dts-bindings/xilinx.txt | 11 |
3 files changed, 41 insertions, 1 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/board.txt b/Documentation/powerpc/dts-bindings/fsl/board.txt index e8b5bc24d0ac..39e941515a36 100644 --- a/Documentation/powerpc/dts-bindings/fsl/board.txt +++ b/Documentation/powerpc/dts-bindings/fsl/board.txt | |||
@@ -20,12 +20,16 @@ Required properities: | |||
20 | - compatible : should be "fsl,fpga-pixis". | 20 | - compatible : should be "fsl,fpga-pixis". |
21 | - reg : should contain the address and the length of the FPPGA register | 21 | - reg : should contain the address and the length of the FPPGA register |
22 | set. | 22 | set. |
23 | - interrupt-parent: should specify phandle for the interrupt controller. | ||
24 | - interrupts : should specify event (wakeup) IRQ. | ||
23 | 25 | ||
24 | Example (MPC8610HPCD): | 26 | Example (MPC8610HPCD): |
25 | 27 | ||
26 | board-control@e8000000 { | 28 | board-control@e8000000 { |
27 | compatible = "fsl,fpga-pixis"; | 29 | compatible = "fsl,fpga-pixis"; |
28 | reg = <0xe8000000 32>; | 30 | reg = <0xe8000000 32>; |
31 | interrupt-parent = <&mpic>; | ||
32 | interrupts = <8 8>; | ||
29 | }; | 33 | }; |
30 | 34 | ||
31 | * Freescale BCSR GPIO banks | 35 | * Freescale BCSR GPIO banks |
diff --git a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt index 8447fd7090d0..5c6602dbfdc2 100644 --- a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt +++ b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt | |||
@@ -103,7 +103,22 @@ fsl,mpc5200-gpt nodes | |||
103 | --------------------- | 103 | --------------------- |
104 | On the mpc5200 and 5200b, GPT0 has a watchdog timer function. If the board | 104 | On the mpc5200 and 5200b, GPT0 has a watchdog timer function. If the board |
105 | design supports the internal wdt, then the device node for GPT0 should | 105 | design supports the internal wdt, then the device node for GPT0 should |
106 | include the empty property 'fsl,has-wdt'. | 106 | include the empty property 'fsl,has-wdt'. Note that this does not activate |
107 | the watchdog. The timer will function as a GPT if the timer api is used, and | ||
108 | it will function as watchdog if the watchdog device is used. The watchdog | ||
109 | mode has priority over the gpt mode, i.e. if the watchdog is activated, any | ||
110 | gpt api call to this timer will fail with -EBUSY. | ||
111 | |||
112 | If you add the property | ||
113 | fsl,wdt-on-boot = <n>; | ||
114 | GPT0 will be marked as in-use watchdog, i.e. blocking every gpt access to it. | ||
115 | If n>0, the watchdog is started with a timeout of n seconds. If n=0, the | ||
116 | configuration of the watchdog is not touched. This is useful in two cases: | ||
117 | - just mark GPT0 as watchdog, blocking gpt accesses, and configure it later; | ||
118 | - do not touch a configuration assigned by the boot loader which supervises | ||
119 | the boot process itself. | ||
120 | |||
121 | The watchdog will respect the CONFIG_WATCHDOG_NOWAYOUT option. | ||
107 | 122 | ||
108 | An mpc5200-gpt can be used as a single line GPIO controller. To do so, | 123 | An mpc5200-gpt can be used as a single line GPIO controller. To do so, |
109 | add the following properties to the gpt node: | 124 | add the following properties to the gpt node: |
@@ -178,3 +193,13 @@ External interrupts: | |||
178 | external irq3: interrupts = <1 3 n>; | 193 | external irq3: interrupts = <1 3 n>; |
179 | 'n' is sense (0: level high, 1: edge rising, 2: edge falling 3: level low) | 194 | 'n' is sense (0: level high, 1: edge rising, 2: edge falling 3: level low) |
180 | 195 | ||
196 | fsl,mpc5200-mscan nodes | ||
197 | ----------------------- | ||
198 | In addition to the required compatible-, reg- and interrupt-properites, you can | ||
199 | also specify which clock source shall be used for the controller: | ||
200 | |||
201 | - fsl,mscan-clock-source- a string describing the clock source. Valid values | ||
202 | are: "ip" for ip bus clock | ||
203 | "ref" for reference clock (XTAL) | ||
204 | "ref" is default in case this property is not | ||
205 | present. | ||
diff --git a/Documentation/powerpc/dts-bindings/xilinx.txt b/Documentation/powerpc/dts-bindings/xilinx.txt index 80339fe4300b..ea68046bb9cb 100644 --- a/Documentation/powerpc/dts-bindings/xilinx.txt +++ b/Documentation/powerpc/dts-bindings/xilinx.txt | |||
@@ -292,4 +292,15 @@ | |||
292 | - reg-offset : A value of 3 is required | 292 | - reg-offset : A value of 3 is required |
293 | - reg-shift : A value of 2 is required | 293 | - reg-shift : A value of 2 is required |
294 | 294 | ||
295 | vii) Xilinx USB Host controller | ||
296 | |||
297 | The Xilinx USB host controller is EHCI compatible but with a different | ||
298 | base address for the EHCI registers, and it is always a big-endian | ||
299 | USB Host controller. The hardware can be configured as high speed only, | ||
300 | or high speed/full speed hybrid. | ||
301 | |||
302 | Required properties: | ||
303 | - xlnx,support-usb-fs: A value 0 means the core is built as high speed | ||
304 | only. A value 1 means the core also supports | ||
305 | full speed devices. | ||
295 | 306 | ||