From: Frank Li <Frank.Li@xxxxxxxxxxxxx>
snvs actually is multi fucntion driver.
Change to use syscon to access register.
Signed-off-by: Frank Li <Frank.Li@xxxxxxxxxxxxx>
---
.../devicetree/bindings/crypto/fsl-sec4.txt | 51 ++++++++++++++++------
.../bindings/power_supply/imx-snvs-poweroff.txt | 24 +---------
2 files changed, 39 insertions(+), 36 deletions(-)
diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt
index e402277..ca04206 100644
--- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt
+++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt
@@ -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>;
@@ -358,19 +359,41 @@ 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.
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>;
};
=====================================================================
+System power off Driver
+
+ A SNVS child node that define system power off
+ SNVS_LPCR in SNVS module can power off the whole system by pull
+ PMIC_ON_REQ low if PMIC_ON_REQ is connected with external PMIC.
+ If you don't want to use PMIC_ON_REQ as power on/off control,
+ please set status='disabled' to disable this driver.
+
+ - compatible
+ Usage: regquied
+ Value type: <string>
+ Definition: Must include "fsl,sec-v4.0-poweroff"
+
+EXAMPLE
+ snvs_poweroff: snvs-poweroff {
+ compatible = "fsl,sec-v4.0-poweroff";
+};
+
+=====================================================================
FULL EXAMPLE
crypto: crypto@300000 {
@@ -443,13 +466,15 @@ 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>;
+ interrupts = <93 2>;
};
+
+ snvs_poweroff: snvs-poweroff@38 {
+ compatible = "fsl,sec-v4.0-poweroff";
+ };
};
=====================================================================
diff --git a/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt
index dc7c9ba..70c1425 100644
--- a/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt
+++ b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt
@@ -1,23 +1 @@
-i.mx6 Poweroff Driver
-
-SNVS_LPCR in SNVS module can power off the whole system by pull
-PMIC_ON_REQ low if PMIC_ON_REQ is connected with external PMIC.
-If you don't want to use PMIC_ON_REQ as power on/off control,
-please set status='disabled' to disable this driver.
-
-Required Properties:
--compatible: "fsl,sec-v4.0-poweroff"
--reg: Specifies the physical address of the SNVS_LPCR register
-
-Example:
- snvs@020cc000 {
- compatible = "fsl,sec-v4.0-mon", "simple-bus";
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0 0x020cc000 0x4000>;
- .....
- snvs_poweroff: snvs-poweroff@38 {
- compatible = "fsl,sec-v4.0-poweroff";
- reg = <0x38 0x4>;
- };
- }
+See Documentation/devicetree/bindings/crypto/fsl-sec4.txt
--
1.9.1
--
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