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From: Felix Fietkau <nbd@nbd.name>
To: linux-arm-kernel@lists.infradead.org,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>
Cc: john@phrozen.org, linux-clk@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v4 06/12] dt-bindings: Add en7523-scu device tree binding documentation
Date: Thu, 25 Nov 2021 12:07:32 +0100	[thread overview]
Message-ID: <20211125110738.41028-7-nbd@nbd.name> (raw)
In-Reply-To: <20211125110738.41028-1-nbd@nbd.name>

From: John Crispin <john@phrozen.org>

Adds device tree binding documentation for clocks in the EN7523 SOC.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
---
 .../bindings/clock/airoha,en7523-scu.yaml     | 58 +++++++++++++++++++
 include/dt-bindings/clock/en7523-clk.h        | 17 ++++++
 2 files changed, 75 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
 create mode 100644 include/dt-bindings/clock/en7523-clk.h

diff --git a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
new file mode 100644
index 000000000000..79660f8126fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/airoha,en7523-scu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: EN7523 Clock Device Tree Bindings
+
+maintainers:
+  - Felix Fietkau <nbd@nbd.name>
+  - John Crispin <nbd@nbd.name>
+
+description: |
+  This node defines the System Control Unit of the EN7523 SoC,
+  a collection of registers configuring many different aspects of the SoC.
+
+  The clock driver uses it to read and configure settings of the
+  PLL controller, which provides clocks for the CPU, the bus and
+  other SoC internal peripherals.
+
+  Each clock is assigned an identifier and client nodes use this identifier
+  to specify which clock they consume.
+
+  All these identifiers can be found in:
+  [1]: <include/dt-bindings/clock/en7523-clk.h>.
+
+  The clocks are provided inside a system controller node.
+
+properties:
+  compatible:
+    items:
+      - const: airoha,en7523-scu
+
+  reg:
+    maxItems: 2
+
+  "#clock-cells":
+    description:
+      The first cell indicates the clock number, see [1] for available
+      clocks.
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/en7523-clk.h>
+    scu: scu@1fa20000 {
+      compatible = "airoha,en7523-scu";
+      reg = <0x1fa20000 0x400>,
+            <0x1fb00000 0x1000>;
+      #clock-cells = <1>;
+    };
diff --git a/include/dt-bindings/clock/en7523-clk.h b/include/dt-bindings/clock/en7523-clk.h
new file mode 100644
index 000000000000..7c8414a7cb66
--- /dev/null
+++ b/include/dt-bindings/clock/en7523-clk.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_
+#define _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_
+
+#define EN7523_CLK_GSW		0
+#define EN7523_CLK_EMI		1
+#define EN7523_CLK_BUS		2
+#define EN7523_CLK_SLIC		3
+#define EN7523_CLK_SPI		4
+#define EN7523_CLK_NPU		5
+#define EN7523_CLK_CRYPTO	6
+#define EN7523_CLK_PCIE		7
+
+#define EN7523_NUM_CLOCKS	8
+
+#endif /* _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ */
-- 
2.30.1


  parent reply	other threads:[~2021-11-25 11:13 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20211125110738.41028-1-nbd@nbd.name>
2021-11-25 11:07 ` [PATCH v4 01/12] dt-bindings: Add vendor prefix for Airoha Felix Fietkau
2021-11-28 23:28   ` Rob Herring
2021-11-25 11:07 ` [PATCH v4 02/12] dt-bindings: arm: airoha: Add binding for EN7523 SoC and EVB Felix Fietkau
2021-11-28 23:29   ` Rob Herring
2021-11-25 11:07 ` [PATCH v4 03/12] ARM: dts: Add basic support for Airoha EN7523 Felix Fietkau
2021-11-25 11:07 ` [PATCH v4 04/12] ARM: Add basic support for Airoha EN7523 SoC Felix Fietkau
2021-11-25 13:21   ` Robin Murphy
2021-11-25 11:07 ` [PATCH v4 05/12] ARM: multi_v7_defconfig: Add " Felix Fietkau
2021-11-25 11:07 ` Felix Fietkau [this message]
2021-11-28 23:31   ` [PATCH v4 06/12] dt-bindings: Add en7523-scu device tree binding documentation Rob Herring
2021-11-25 11:07 ` [PATCH v4 07/12] clk: en7523: Add clock driver for Airoha EN7523 SoC Felix Fietkau
2021-11-27 11:23   ` kernel test robot
2021-11-25 11:07 ` [PATCH v4 08/12] dt-bindings: PCI: Add support for Airoha EN7532 Felix Fietkau
2021-11-28 23:32   ` Rob Herring
2021-11-25 11:07 ` [PATCH v4 09/12] PCI: mediatek: allow selecting controller driver for airoha arch Felix Fietkau
2021-11-25 11:07 ` [PATCH v4 10/12] ARM: dts: Add PCIe support for Airoha EN7523 Felix Fietkau
2021-11-25 12:15   ` Jianjun Wang
2021-11-25 11:07 ` [PATCH v4 11/12] dt-bindings: arm: airoha: Add binding for Airoha GPIO controller Felix Fietkau
2021-11-26  1:19   ` Linus Walleij
2021-11-25 11:07 ` [PATCH v4 12/12] gpio: Add support for Airoha EN7523 " Felix Fietkau
2021-11-25 12:59   ` Bartosz Golaszewski
2021-11-26 16:57     ` Andy Shevchenko
2021-11-26 17:19   ` John Crispin

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