From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
aisheng.dong@nxp.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com>,
Rob Herring <robh@kernel.org>
Subject: [PATCH V9 1/6] dt-bindings: soc: add i.MX93 SRC
Date: Tue, 6 Sep 2022 11:28:12 +0800 [thread overview]
Message-ID: <20220906032817.2090160-2-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20220906032817.2090160-1-peng.fan@oss.nxp.com>
From: Peng Fan <peng.fan@nxp.com>
Add bindings for i.MX93 System Reset Controller(SRC). SRC supports
resets and power gating for mixes.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
.../bindings/soc/imx/fsl,imx93-src.yaml | 96 +++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml
diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml
new file mode 100644
index 000000000000..c1cc69b51981
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx93-src.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX93 System Reset Controller
+
+maintainers:
+ - Peng Fan <peng.fan@nxp.com>
+
+description: |
+ The System Reset Controller (SRC) is responsible for the generation of
+ all the system reset signals and boot argument latching.
+
+ Its main functions are as follows,
+ - Deals with all global system reset sources from other modules,
+ and generates global system reset.
+ - Responsible for power gating of MIXs (Slices) and their memory
+ low power control.
+
+properties:
+ compatible:
+ items:
+ - const: fsl,imx93-src
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ ranges: true
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+patternProperties:
+ "power-domain@[0-9a-f]+$":
+
+ type: object
+ properties:
+ compatible:
+ items:
+ - const: fsl,imx93-src-slice
+
+ '#power-domain-cells':
+ const: 0
+
+ reg:
+ items:
+ - description: mix slice register region
+ - description: mem slice register region
+
+ clocks:
+ description: |
+ A number of phandles to clocks that need to be enabled
+ during domain power-up sequencing to ensure reset
+ propagation into devices located inside this power domain.
+ minItems: 1
+ maxItems: 5
+
+ required:
+ - compatible
+ - '#power-domain-cells'
+ - reg
+
+required:
+ - compatible
+ - reg
+ - ranges
+ - '#address-cells'
+ - '#size-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx93-clock.h>
+
+ system-controller@44460000 {
+ compatible = "fsl,imx93-src", "syscon";
+ reg = <0x44460000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ mediamix: power-domain@0 {
+ compatible = "fsl,imx93-src-slice";
+ reg = <0x44462400 0x400>, <0x44465800 0x400>;
+ #power-domain-cells = <0>;
+ clocks = <&clk IMX93_CLK_MEDIA_AXI>,
+ <&clk IMX93_CLK_MEDIA_APB>;
+ };
+ };
--
2.37.1
next prev parent reply other threads:[~2022-09-06 3:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-06 3:28 [PATCH V9 0/6] imx: support i.MX93 SRC and mediamix blk ctrl Peng Fan (OSS)
2022-09-06 3:28 ` Peng Fan (OSS) [this message]
2022-09-06 3:28 ` [PATCH V9 2/6] dt-bindings: soc: add i.MX93 " Peng Fan (OSS)
2022-09-06 3:28 ` [PATCH V9 3/6] soc: imx: add i.MX93 SRC power domain driver Peng Fan (OSS)
2022-09-06 3:28 ` [PATCH V9 4/6] soc: imx: add i.MX93 media blk ctrl driver Peng Fan (OSS)
2022-09-06 3:28 ` [PATCH V9 5/6] arm64: dts: imx93: add src node Peng Fan (OSS)
2022-09-06 3:28 ` [PATCH V9 6/6] arm64: dts: imx93: add mediamix blk ctrl node Peng Fan (OSS)
2022-09-12 10:03 ` [PATCH V9 0/6] imx: support i.MX93 SRC and mediamix blk ctrl Shawn Guo
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