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Document: dt: fsl: snvs: change support syscon 

snvs actually is multi fucntion driver.
Change to use syscon to access register.
Change snvs parent interrupt to option because single function
may have seperated irq number.

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Frank Li 2015-05-27 00:25:58 +08:00 committed by Shawn Guo
parent d482893b1c
commit 4fcb7dfd82
1 changed files with 29 additions and 13 deletions
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42
Documentation/devicetree/bindings/crypto/fsl-sec4.txt
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@ -288,12 +288,13 @@ Secure Non-Volatile Storage (SNVS) Node
Node defines address range and the associated
interrupt for the SNVS function. This function
monitors security state information & reports
security violations.
security violations. This also included rtc,
system power off and ON/OFF key.
- compatible
Usage: required
Value type: <string>
Definition: Must include "fsl,sec-v4.0-mon".
Definition: Must include "fsl,sec-v4.0-mon" and "syscon".
- reg
Usage: required
@ -324,7 +325,7 @@ Secure Non-Volatile Storage (SNVS) Node
the child address, parent address, & length.
- interrupts
Usage: required
Usage: optional
Value type: <prop_encoded-array>
Definition: Specifies the interrupts generated by this
device. The value of the interrupts property
@ -341,7 +342,7 @@ Secure Non-Volatile Storage (SNVS) Node
EXAMPLE
sec_mon@314000 {
compatible = "fsl,sec-v4.0-mon";
compatible = "fsl,sec-v4.0-mon", "syscon";
reg = <0x314000 0x1000>;
ranges = <0 0x314000 0x1000>;
interrupt-parent = <&mpic>;
@ -358,16 +359,31 @@ Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node
Value type: <string>
Definition: Must include "fsl,sec-v4.0-mon-rtc-lp".
- reg
- interrupts
Usage: required
Value type: <prop-encoded-array>
Definition: A standard property. Specifies the physical
address and length of the SNVS LP configuration registers.
Value type: <prop_encoded-array>
Definition: Specifies the interrupts generated by this
device. The value of the interrupts property
consists of one interrupt specifier. The format
of the specifier is defined by the binding document
describing the node's interrupt parent.
- regmap
Usage: required
Value type: <phandle>
Definition: this is phandle to the register map node.
- offset
Usage: option
value type: <u32>
Definition: LP register offset. default it is 0x34.
EXAMPLE
sec_mon_rtc_lp@314000 {
sec_mon_rtc_lp@1 {
compatible = "fsl,sec-v4.0-mon-rtc-lp";
reg = <0x34 0x58>;
interrupts = <93 2>;
regmap = <&snvs>;
offset = <0x34>;
};
=====================================================================
@ -443,12 +459,12 @@ FULL EXAMPLE
compatible = "fsl,sec-v4.0-mon";
reg = <0x314000 0x1000>;
ranges = <0 0x314000 0x1000>;
interrupt-parent = <&mpic>;
interrupts = <93 2>;
sec_mon_rtc_lp@34 {
compatible = "fsl,sec-v4.0-mon-rtc-lp";
reg = <0x34 0x58>;
regmap = <&sec_mon>;
offset = <0x34>;
interrupts = <93 2>;
};
};