From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
To: sboyd@kernel.org
Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org,
tsbogend@alpha.franken.de, Rob Herring <robh@kernel.org>,
gregkh@linuxfoundation.org, linux-mips@vger.kernel.org,
linux-kernel@vger.kernel.org, robh+dt@kernel.org,
john@phrozen.org, neil@brown.name, linux-clk@vger.kernel.org
Subject: [PATCH v11 2/6] dt: bindings: add mt7621-sysc device tree binding documentation
Date: Tue, 9 Mar 2021 06:22:22 +0100 [thread overview]
Message-ID: <20210309052226.29531-3-sergio.paracuellos@gmail.com> (raw)
In-Reply-To: <20210309052226.29531-1-sergio.paracuellos@gmail.com>
Adds device tree binding documentation for clocks in the
MT7621 SOC.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
---
.../bindings/clock/mediatek,mt7621-sysc.yaml | 68 +++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
new file mode 100644
index 000000000000..915f84efd763
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/mediatek,mt7621-sysc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MT7621 Clock Device Tree Bindings
+
+maintainers:
+ - Sergio Paracuellos <sergio.paracuellos@gmail.com>
+
+description: |
+ The MT7621 has a PLL controller from where the cpu clock is provided
+ as well as derived clocks for the bus and the peripherals. It also
+ can gate SoC device clocks.
+
+ Each clock is assigned an identifier and client nodes use this identifier
+ to specify the clock which they consume.
+
+ All these identifiers could be found in:
+ [1]: <include/dt-bindings/clock/mt7621-clk.h>.
+
+ The clocks are provided inside a system controller node.
+
+properties:
+ compatible:
+ items:
+ - const: mediatek,mt7621-sysc
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ "#clock-cells":
+ description:
+ The first cell indicates the clock number, see [1] for available
+ clocks.
+ const: 1
+
+ ralink,memctl:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ phandle of syscon used to control memory registers
+
+ clock-output-names:
+ maxItems: 8
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+ - ralink,memctl
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt7621-clk.h>
+
+ sysc: sysc@0 {
+ compatible = "mediatek,mt7621-sysc", "syscon";
+ reg = <0x0 0x100>;
+ #clock-cells = <1>;
+ ralink,memctl = <&memc>;
+ clock-output-names = "xtal", "cpu", "bus",
+ "50m", "125m", "150m",
+ "250m", "270m";
+ };
--
2.25.1
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next prev parent reply other threads:[~2021-03-09 5:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 5:22 [PATCH v11 0/6] MIPS: ralink: add CPU clock detection and clock driver for MT7621 Sergio Paracuellos
2021-03-09 5:22 ` [PATCH v11 1/6] dt-bindings: clock: add dt binding header for mt7621 clocks Sergio Paracuellos
2021-04-09 18:15 ` Stephen Boyd
2021-03-09 5:22 ` Sergio Paracuellos [this message]
2021-04-09 18:15 ` [PATCH v11 2/6] dt: bindings: add mt7621-sysc device tree binding documentation Stephen Boyd
2021-03-09 5:22 ` [PATCH v11 3/6] clk: ralink: add clock driver for mt7621 SoC Sergio Paracuellos
2021-04-09 18:14 ` Stephen Boyd
2021-04-09 18:34 ` Sergio Paracuellos
2021-04-09 18:38 ` Stephen Boyd
2021-03-09 5:22 ` [PATCH v11 4/6] staging: mt7621-dts: make use of new 'mt7621-clk' Sergio Paracuellos
2021-03-09 5:22 ` [PATCH v11 5/6] staging: mt7621-dts: use valid vendor 'mediatek' instead of invalid 'mtk' Sergio Paracuellos
2021-03-09 15:07 ` Thomas Bogendoerfer
2021-03-09 5:22 ` [PATCH v11 6/6] MAINTAINERS: add MT7621 CLOCK maintainer Sergio Paracuellos
2021-03-23 8:13 ` [PATCH v11 0/6] MIPS: ralink: add CPU clock detection and clock driver for MT7621 Sergio Paracuellos
2021-04-09 18:17 ` Stephen Boyd
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