diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-03 05:15:30 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-03 05:15:30 +0300 |
commit | bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 (patch) | |
tree | 2c127c669218b8c74c843331e455372f88a6a848 /Documentation | |
parent | 6803bd7956ca8fc43069c2e42016f17f3c2fbf30 (diff) | |
parent | a312e07a65fb598ed239b940434392721385c722 (diff) | |
download | linux-bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5.tar.xz |
Merge tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add virtual-address based lskcipher interface
- Optimise ahash/shash performance in light of costly indirect calls
- Remove ahash alignmask attribute
Algorithms:
- Improve AES/XTS performance of 6-way unrolling for ppc
- Remove some uses of obsolete algorithms (md4, md5, sha1)
- Add FIPS 202 SHA-3 support in pkcs1pad
- Add fast path for single-page messages in adiantum
- Remove zlib-deflate
Drivers:
- Add support for S4 in meson RNG driver
- Add STM32MP13x support in stm32
- Add hwrng interface support in qcom-rng
- Add support for deflate algorithm in hisilicon/zip"
* tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (283 commits)
crypto: adiantum - flush destination page before unmapping
crypto: testmgr - move pkcs1pad(rsa,sha3-*) to correct place
Documentation/module-signing.txt: bring up to date
module: enable automatic module signing with FIPS 202 SHA-3
crypto: asymmetric_keys - allow FIPS 202 SHA-3 signatures
crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support
crypto: FIPS 202 SHA-3 register in hash info for IMA
x509: Add OIDs for FIPS 202 SHA-3 hash and signatures
crypto: ahash - optimize performance when wrapping shash
crypto: ahash - check for shash type instead of not ahash type
crypto: hash - move "ahash wrapping shash" functions to ahash.c
crypto: talitos - stop using crypto_ahash::init
crypto: chelsio - stop using crypto_ahash::init
crypto: ahash - improve file comment
crypto: ahash - remove struct ahash_request_priv
crypto: ahash - remove crypto_ahash_alignmask
crypto: gcm - stop using alignmask of ahash
crypto: chacha20poly1305 - stop using alignmask of ahash
crypto: ccm - stop using alignmask of ahash
net: ipv6: stop checking crypto_ahash_alignmask
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/ABI/testing/debugfs-driver-qat | 24 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-qat | 48 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-qat_ras | 41 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-qat_rl | 226 | ||||
-rw-r--r-- | Documentation/admin-guide/module-signing.rst | 17 | ||||
-rw-r--r-- | Documentation/crypto/devel-algos.rst | 4 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/crypto/fsl-imx-sahara.yaml | 43 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml | 1 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/crypto/qcom,prng.yaml | 28 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml | 1 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/rng/st,stm32-rng.yaml | 20 |
11 files changed, 434 insertions, 19 deletions
diff --git a/Documentation/ABI/testing/debugfs-driver-qat b/Documentation/ABI/testing/debugfs-driver-qat index 6731ffacc5f0..b2db010d851e 100644 --- a/Documentation/ABI/testing/debugfs-driver-qat +++ b/Documentation/ABI/testing/debugfs-driver-qat @@ -1,4 +1,4 @@ -What: /sys/kernel/debug/qat_<device>_<BDF>/qat/fw_counters +What: /sys/kernel/debug/qat_<device>_<BDF>/fw_counters Date: November 2023 KernelVersion: 6.6 Contact: qat-linux@intel.com @@ -59,3 +59,25 @@ Description: (RO) Read returns the device health status. The driver does not monitor for Heartbeat. It is left for a user to poll the status periodically. + +What: /sys/kernel/debug/qat_<device>_<BDF>/pm_status +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (RO) Read returns power management information specific to the + QAT device. + + This attribute is only available for qat_4xxx devices. + +What: /sys/kernel/debug/qat_<device>_<BDF>/cnv_errors +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (RO) Read returns, for each Acceleration Engine (AE), the number + of errors and the type of the last error detected by the device + when performing verified compression. + Reported counters:: + + <N>: Number of Compress and Verify (CnV) errors and type + of the last CnV error detected by Acceleration + Engine N. diff --git a/Documentation/ABI/testing/sysfs-driver-qat b/Documentation/ABI/testing/sysfs-driver-qat index ef6d6c57105e..bbf329cf0d67 100644 --- a/Documentation/ABI/testing/sysfs-driver-qat +++ b/Documentation/ABI/testing/sysfs-driver-qat @@ -29,6 +29,8 @@ Description: (RW) Reports the current configuration of the QAT device. services * asym;sym: identical to sym;asym * dc: the device is configured for running compression services + * dcc: identical to dc but enables the dc chaining feature, + hash then compression. If this is not required chose dc * sym: the device is configured for running symmetric crypto services * asym: the device is configured for running asymmetric crypto @@ -93,3 +95,49 @@ Description: (RW) This configuration option provides a way to force the device i 0 This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat/rp2srv +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) This attribute provides a way for a user to query a + specific ring pair for the type of service that it is currently + configured for. + + When written to, the value is cached and used to perform the + read operation. Allowed values are in the range 0 to N-1, where + N is the max number of ring pairs supported by a device. This + can be queried using the attribute qat/num_rps. + + A read returns the service associated to the ring pair queried. + + The values are: + + * dc: the ring pair is configured for running compression services + * sym: the ring pair is configured for running symmetric crypto + services + * asym: the ring pair is configured for running asymmetric crypto + services + + Example usage:: + + # echo 1 > /sys/bus/pci/devices/<BDF>/qat/rp2srv + # cat /sys/bus/pci/devices/<BDF>/qat/rp2srv + sym + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat/num_rps +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RO) Returns the number of ring pairs that a single device has. + + Example usage:: + + # cat /sys/bus/pci/devices/<BDF>/qat/num_rps + 64 + + This attribute is only available for qat_4xxx devices. diff --git a/Documentation/ABI/testing/sysfs-driver-qat_ras b/Documentation/ABI/testing/sysfs-driver-qat_ras new file mode 100644 index 000000000000..176dea1e9c0a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-qat_ras @@ -0,0 +1,41 @@ +What: /sys/bus/pci/devices/<BDF>/qat_ras/errors_correctable +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (RO) Reports the number of correctable errors detected by the device. + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_ras/errors_nonfatal +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (RO) Reports the number of non fatal errors detected by the device. + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_ras/errors_fatal +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (RO) Reports the number of fatal errors detected by the device. + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_ras/reset_error_counters +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: (WO) Write to resets all error counters of a device. + + The following example reports how to reset the counters:: + + # echo 1 > /sys/bus/pci/devices/<BDF>/qat_ras/reset_error_counters + # cat /sys/bus/pci/devices/<BDF>/qat_ras/errors_correctable + 0 + # cat /sys/bus/pci/devices/<BDF>/qat_ras/errors_nonfatal + 0 + # cat /sys/bus/pci/devices/<BDF>/qat_ras/errors_fatal + 0 + + This attribute is only available for qat_4xxx devices. diff --git a/Documentation/ABI/testing/sysfs-driver-qat_rl b/Documentation/ABI/testing/sysfs-driver-qat_rl new file mode 100644 index 000000000000..8c282ae3155d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-qat_rl @@ -0,0 +1,226 @@ +What: /sys/bus/pci/devices/<BDF>/qat_rl/sla_op +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (WO) This attribute is used to perform an operation on an SLA. + The supported operations are: add, update, rm, rm_all, and get. + + Input values must be filled through the associated attribute in + this group before a write to this file. + If the operation completes successfully, the associated + attributes will be updated. + The associated attributes are: cir, pir, srv, rp, and id. + + Supported operations: + + * add: Creates a new SLA with the provided inputs from user. + * Inputs: cir, pir, srv, and rp + * Output: id + + * get: Returns the configuration of the specified SLA in id attribute + * Inputs: id + * Outputs: cir, pir, srv, and rp + + * update: Updates the SLA with new values set in the following attributes + * Inputs: id, cir, and pir + + * rm: Removes the specified SLA in the id attribute. + * Inputs: id + + * rm_all: Removes all the configured SLAs. + * Inputs: None + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/rp +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) When read, reports the current assigned ring pairs for the + queried SLA. + When wrote to, configures the ring pairs associated to a new SLA. + + The value is a 64-bit bit mask and is written/displayed in hex. + Each bit of this mask represents a single ring pair i.e., + bit 1 == ring pair id 0; bit 3 == ring pair id 2. + + Selected ring pairs must to be assigned to a single service, + i.e. the one provided with the srv attribute. The service + assigned to a certain ring pair can be checked by querying + the attribute qat/rp2srv. + + The maximum number of ring pairs is 4 per SLA. + + Applicability in sla_op: + + * WRITE: add operation + * READ: get operation + + Example usage:: + + ## Read + # echo 4 > /sys/bus/pci/devices/<BDF>/qat_rl/id + # cat /sys/bus/pci/devices/<BDF>/qat_rl/rp + 0x5 + + ## Write + # echo 0x5 > /sys/bus/pci/devices/<BDF>/qat_rl/rp + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/id +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) If written to, the value is used to retrieve a particular + SLA and operate on it. + This is valid only for the following operations: update, rm, + and get. + A read of this attribute is only guaranteed to have correct data + after creation of an SLA. + + Applicability in sla_op: + + * WRITE: rm and update operations + * READ: add and get operations + + Example usage:: + + ## Read + ## Set attributes e.g. cir, pir, srv, etc + # echo "add" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/id + 4 + + ## Write + # echo 7 > /sys/bus/pci/devices/<BDF>/qat_rl/id + # echo "get" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/rp + 0x5 ## ring pair ID 0 and ring pair ID 2 + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/cir +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) Committed information rate (CIR). Rate guaranteed to be + achieved by a particular SLA. The value is expressed in + permille scale, i.e. 1000 refers to the maximum device + throughput for a selected service. + + After sending a "get" to sla_op, this will be populated with the + CIR for that queried SLA. + Write to this file before sending an "add/update" sla_op, to set + the SLA to the specified value. + + Applicability in sla_op: + + * WRITE: add and update operations + * READ: get operation + + Example usage:: + + ## Write + # echo 500 > /sys/bus/pci/devices/<BDF>/qat_rl/cir + # echo "add" /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + + ## Read + # echo 4 > /sys/bus/pci/devices/<BDF>/qat_rl/id + # echo "get" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/cir + 500 + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/pir +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) Peak information rate (PIR). The maximum rate that can be + achieved by that particular SLA. An SLA can reach a value + between CIR and PIR when the device is not fully utilized by + requests from other users (assigned to different SLAs). + + After sending a "get" to sla_op, this will be populated with the + PIR for that queried SLA. + Write to this file before sending an "add/update" sla_op, to set + the SLA to the specified value. + + Applicability in sla_op: + + * WRITE: add and update operations + * READ: get operation + + Example usage:: + + ## Write + # echo 750 > /sys/bus/pci/devices/<BDF>/qat_rl/pir + # echo "add" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + + ## Read + # echo 4 > /sys/bus/pci/devices/<BDF>/qat_rl/id + # echo "get" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/pir + 750 + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/srv +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) Service (SRV). Represents the service (sym, asym, dc) + associated to an SLA. + Can be written to or queried to set/show the SRV type for an SLA. + The SRV attribute is used to specify the SRV type before adding + an SLA. After an SLA is configured, reports the service + associated to that SLA. + + Applicability in sla_op: + + * WRITE: add and update operations + * READ: get operation + + Example usage:: + + ## Write + # echo "dc" > /sys/bus/pci/devices/<BDF>/qat_rl/srv + # echo "add" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/id + 4 + + ## Read + # echo 4 > /sys/bus/pci/devices/<BDF>/qat_rl/id + # echo "get" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/srv + dc + + This attribute is only available for qat_4xxx devices. + +What: /sys/bus/pci/devices/<BDF>/qat_rl/cap_rem +Date: January 2024 +KernelVersion: 6.7 +Contact: qat-linux@intel.com +Description: + (RW) This file will return the remaining capability for a + particular service/sla. This is the remaining value that a new + SLA can be set to or a current SLA can be increased with. + + Example usage:: + + # echo "asym" > /sys/bus/pci/devices/<BDF>/qat_rl/cap_rem + # cat /sys/bus/pci/devices/<BDF>/qat_rl/cap_rem + 250 + # echo 250 > /sys/bus/pci/devices/<BDF>/qat_rl/cir + # echo "add" > /sys/bus/pci/devices/<BDF>/qat_rl/sla_op + # cat /sys/bus/pci/devices/<BDF>/qat_rl/cap_rem + 0 + + This attribute is only available for qat_4xxx devices. diff --git a/Documentation/admin-guide/module-signing.rst b/Documentation/admin-guide/module-signing.rst index 2898b2703297..a8667a777490 100644 --- a/Documentation/admin-guide/module-signing.rst +++ b/Documentation/admin-guide/module-signing.rst @@ -28,10 +28,10 @@ trusted userspace bits. This facility uses X.509 ITU-T standard certificates to encode the public keys involved. The signatures are not themselves encoded in any industrial standard -type. The facility currently only supports the RSA public key encryption -standard (though it is pluggable and permits others to be used). The possible -hash algorithms that can be used are SHA-1, SHA-224, SHA-256, SHA-384, and -SHA-512 (the algorithm is selected by data in the signature). +type. The built-in facility currently only supports the RSA & NIST P-384 ECDSA +public key signing standard (though it is pluggable and permits others to be +used). The possible hash algorithms that can be used are SHA-2 and SHA-3 of +sizes 256, 384, and 512 (the algorithm is selected by data in the signature). ========================== @@ -81,11 +81,12 @@ This has a number of options available: sign the modules with: =============================== ========================================== - ``CONFIG_MODULE_SIG_SHA1`` :menuselection:`Sign modules with SHA-1` - ``CONFIG_MODULE_SIG_SHA224`` :menuselection:`Sign modules with SHA-224` ``CONFIG_MODULE_SIG_SHA256`` :menuselection:`Sign modules with SHA-256` ``CONFIG_MODULE_SIG_SHA384`` :menuselection:`Sign modules with SHA-384` ``CONFIG_MODULE_SIG_SHA512`` :menuselection:`Sign modules with SHA-512` + ``CONFIG_MODULE_SIG_SHA3_256`` :menuselection:`Sign modules with SHA3-256` + ``CONFIG_MODULE_SIG_SHA3_384`` :menuselection:`Sign modules with SHA3-384` + ``CONFIG_MODULE_SIG_SHA3_512`` :menuselection:`Sign modules with SHA3-512` =============================== ========================================== The algorithm selected here will also be built into the kernel (rather @@ -145,6 +146,10 @@ into vmlinux) using parameters in the:: file (which is also generated if it does not already exist). +One can select between RSA (``MODULE_SIG_KEY_TYPE_RSA``) and ECDSA +(``MODULE_SIG_KEY_TYPE_ECDSA``) to generate either RSA 4k or NIST +P-384 keypair. + It is strongly recommended that you provide your own x509.genkey file. Most notably, in the x509.genkey file, the req_distinguished_name section diff --git a/Documentation/crypto/devel-algos.rst b/Documentation/crypto/devel-algos.rst index 3506899ef83e..9b7782f4f6e0 100644 --- a/Documentation/crypto/devel-algos.rst +++ b/Documentation/crypto/devel-algos.rst @@ -235,6 +235,4 @@ Specifics Of Asynchronous HASH Transformation Some of the drivers will want to use the Generic ScatterWalk in case the implementation needs to be fed separate chunks of the scatterlist which -contains the input data. The buffer containing the resulting hash will -always be properly aligned to .cra_alignmask so there is no need to -worry about this. +contains the input data. diff --git a/Documentation/devicetree/bindings/crypto/fsl-imx-sahara.yaml b/Documentation/devicetree/bindings/crypto/fsl-imx-sahara.yaml index d531f3af3ea4..41df80bcdcd9 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-imx-sahara.yaml +++ b/Documentation/devicetree/bindings/crypto/fsl-imx-sahara.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/crypto/fsl-imx-sahara.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Freescale SAHARA Cryptographic Accelerator included in some i.MX chips +title: Freescale SAHARA Cryptographic Accelerator maintainers: - Steffen Trumtrar <s.trumtrar@pengutronix.de> @@ -19,19 +19,56 @@ properties: maxItems: 1 interrupts: - maxItems: 1 + items: + - description: SAHARA Interrupt for Host 0 + - description: SAHARA Interrupt for Host 1 + minItems: 1 + + clocks: + items: + - description: Sahara IPG clock + - description: Sahara AHB clock + + clock-names: + items: + - const: ipg + - const: ahb required: - compatible - reg - interrupts + - clocks + - clock-names + +allOf: + - if: + properties: + compatible: + contains: + enum: + - fsl,imx53-sahara + then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + else: + properties: + interrupts: + maxItems: 1 additionalProperties: false examples: - | + #include <dt-bindings/clock/imx27-clock.h> + crypto@10025000 { compatible = "fsl,imx27-sahara"; - reg = < 0x10025000 0x800>; + reg = <0x10025000 0x800>; interrupts = <75>; + clocks = <&clks IMX27_CLK_SAHARA_IPG_GATE>, + <&clks IMX27_CLK_SAHARA_AHB_GATE>; + clock-names = "ipg", "ahb"; }; diff --git a/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml b/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml index 7da9aa82d837..ca4f7d1cefaa 100644 --- a/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml +++ b/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml @@ -13,6 +13,7 @@ properties: compatible: items: - enum: + - qcom,sa8775p-inline-crypto-engine - qcom,sm8450-inline-crypto-engine - qcom,sm8550-inline-crypto-engine - const: qcom,inline-crypto-engine diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml index bb42f4588b40..13070db0f70c 100644 --- a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml +++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml @@ -11,9 +11,17 @@ maintainers: properties: compatible: - enum: - - qcom,prng # 8916 etc. - - qcom,prng-ee # 8996 and later using EE + oneOf: + - enum: + - qcom,prng # 8916 etc. + - qcom,prng-ee # 8996 and later using EE + - items: + - enum: + - qcom,sa8775p-trng + - qcom,sc7280-trng + - qcom,sm8450-trng + - qcom,sm8550-trng + - const: qcom,trng reg: maxItems: 1 @@ -28,8 +36,18 @@ properties: required: - compatible - reg - - clocks - - clock-names + +allOf: + - if: + not: + properties: + compatible: + contains: + const: qcom,trng + then: + required: + - clocks + - clock-names additionalProperties: false diff --git a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml index 457a6e43d810..afa52af442a7 100644 --- a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml +++ b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml @@ -14,6 +14,7 @@ properties: compatible: enum: - amlogic,meson-rng + - amlogic,meson-s4-rng reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml index 187b172d0cca..717f6b321f88 100644 --- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml @@ -15,7 +15,9 @@ maintainers: properties: compatible: - const: st,stm32-rng + enum: + - st,stm32-rng + - st,stm32mp13-rng reg: maxItems: 1 @@ -30,11 +32,27 @@ properties: type: boolean description: If set enable the clock detection management + st,rng-lock-conf: + type: boolean + description: If set, the RNG configuration in RNG_CR, RNG_HTCR and + RNG_NSCR will be locked. + required: - compatible - reg - clocks +allOf: + - if: + properties: + compatible: + contains: + enum: + - st,stm32-rng + then: + properties: + st,rng-lock-conf: false + additionalProperties: false examples: |