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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/peci
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/peci')
-rw-r--r--Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml56
-rw-r--r--Documentation/devicetree/bindings/peci/peci-aspeed.yaml72
-rw-r--r--Documentation/devicetree/bindings/peci/peci-controller.yaml33
3 files changed, 161 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml b/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml
new file mode 100644
index 0000000000..087e02a9ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/nuvoton,npcm-peci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton PECI Bus
+
+maintainers:
+ - Tomer Maimon <tmaimon77@gmail.com>
+
+allOf:
+ - $ref: peci-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - nuvoton,npcm750-peci
+ - nuvoton,npcm845-peci
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ description:
+ Clock source for PECI controller. Should reference the APB clock.
+ maxItems: 1
+
+ cmd-timeout-ms:
+ minimum: 1
+ maximum: 1000
+ default: 1000
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ peci-controller@f0100000 {
+ compatible = "nuvoton,npcm750-peci";
+ reg = <0xf0100000 0x200>;
+ interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk NPCM7XX_CLK_APB3>;
+ cmd-timeout-ms = <1000>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/peci/peci-aspeed.yaml b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
new file mode 100644
index 0000000000..b01e0c8b96
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Aspeed PECI Bus
+
+maintainers:
+ - Iwona Winiarska <iwona.winiarska@intel.com>
+ - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
+
+allOf:
+ - $ref: peci-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - aspeed,ast2400-peci
+ - aspeed,ast2500-peci
+ - aspeed,ast2600-peci
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ description:
+ Clock source for PECI controller. Should reference the external
+ oscillator clock.
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ cmd-timeout-ms:
+ minimum: 1
+ maximum: 1000
+ default: 1000
+
+ clock-frequency:
+ description:
+ The desired operation frequency of PECI controller in Hz.
+ minimum: 2000
+ maximum: 2000000
+ default: 1000000
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/ast2600-clock.h>
+ peci-controller@1e78b000 {
+ compatible = "aspeed,ast2600-peci";
+ reg = <0x1e78b000 0x100>;
+ interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>;
+ resets = <&syscon ASPEED_RESET_PECI>;
+ cmd-timeout-ms = <1000>;
+ clock-frequency = <1000000>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/peci/peci-controller.yaml b/Documentation/devicetree/bindings/peci/peci-controller.yaml
new file mode 100644
index 0000000000..d7853291b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-controller.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/peci-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic for PECI
+
+maintainers:
+ - Iwona Winiarska <iwona.winiarska@intel.com>
+
+description:
+ PECI (Platform Environment Control Interface) is an interface that provides a
+ communication channel from Intel processors and chipset components to external
+ monitoring or control devices.
+
+properties:
+ $nodename:
+ pattern: "^peci-controller(@.*)?$"
+
+ cmd-timeout-ms:
+ description:
+ Command timeout in units of ms.
+
+additionalProperties: true
+
+examples:
+ - |
+ peci-controller@1e78b000 {
+ reg = <0x1e78b000 0x100>;
+ cmd-timeout-ms = <500>;
+ };
+...