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-rw-r--r--Bindings/crypto/fsl-sec4.txt108
1 files changed, 95 insertions, 13 deletions
diff --git a/Bindings/crypto/fsl-sec4.txt b/Bindings/crypto/fsl-sec4.txt
index e4022776ac6e..adeca34c5a33 100644
--- a/Bindings/crypto/fsl-sec4.txt
+++ b/Bindings/crypto/fsl-sec4.txt
@@ -106,6 +106,18 @@ PROPERTIES
to the interrupt parent to which the child domain
is being mapped.
+ - clocks
+ Usage: required if SEC 4.0 requires explicit enablement of clocks
+ Value type: <prop_encoded-array>
+ Definition: A list of phandle and clock specifier pairs describing
+ the clocks required for enabling and disabling SEC 4.0.
+
+ - clock-names
+ Usage: required if SEC 4.0 requires explicit enablement of clocks
+ Value type: <string>
+ Definition: A list of clock name strings in the same order as the
+ clocks property.
+
Note: All other standard properties (see the ePAPR) are allowed
but are optional.
@@ -120,6 +132,11 @@ EXAMPLE
ranges = <0 0x300000 0x10000>;
interrupt-parent = <&mpic>;
interrupts = <92 2>;
+ clocks = <&clks IMX6QDL_CLK_CAAM_MEM>,
+ <&clks IMX6QDL_CLK_CAAM_ACLK>,
+ <&clks IMX6QDL_CLK_CAAM_IPG>,
+ <&clks IMX6QDL_CLK_EIM_SLOW>;
+ clock-names = "mem", "aclk", "ipg", "emi_slow";
};
=====================================================================
@@ -288,12 +305,13 @@ 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 +342,7 @@ 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 +359,7 @@ 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 +376,72 @@ 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>;
+ };
+
+=====================================================================
+System ON/OFF key driver
+
+ The snvs-pwrkey is designed to enable POWER key function which controlled
+ by SNVS ONOFF, the driver can report the status of POWER key and wakeup
+ system if pressed after system suspend.
+
+ - compatible:
+ Usage: required
+ Value type: <string>
+ Definition: Mush include "fsl,sec-v4.0-pwrkey".
+
+ - interrupts:
+ Usage: required
+ Value type: <prop_encoded-array>
+ Definition: The SNVS ON/OFF interrupt number to the CPU(s).
+
+ - linux,keycode:
+ Usage: option
+ Value type: <int>
+ Definition: Keycode to emit, KEY_POWER by default.
+
+ - wakeup-source:
+ Usage: option
+ Value type: <boo>
+ Definition: Button can wake-up the system.
+
+ - regmap:
+ Usage: required:
+ Value type: <phandle>
+ Definition: this is phandle to the register map node.
+
+EXAMPLE:
+ snvs-pwrkey@0x020cc000 {
+ compatible = "fsl,sec-v4.0-pwrkey";
+ regmap = <&snvs>;
+ interrupts = <0 4 0x4>
+ linux,keycode = <116>; /* KEY_POWER */
+ wakeup-source;
};
=====================================================================
@@ -443,12 +517,20 @@ 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>;
+ };
+
+ snvs-pwrkey@0x020cc000 {
+ compatible = "fsl,sec-v4.0-pwrkey";
+ regmap = <&sec_mon>;
+ interrupts = <0 4 0x4>;
+ linux,keycode = <116>; /* KEY_POWER */
+ wakeup-source;
};
};