linux-kernel - [PATCH v9 03/16] dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock

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Date:   Sun, 17 Jul 2022 12:15:56 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     <avifishman70@...il.com>, <tali.perry1@...il.com>,
        <joel@....id.au>, <venture@...gle.com>, <yuenn@...gle.com>,
        <benjaminfair@...gle.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <p.zabel@...gutronix.de>,
        <gregkh@...uxfoundation.org>, <daniel.lezcano@...aro.org>,
        <tglx@...utronix.de>, <wim@...ux-watchdog.org>,
        <linux@...ck-us.net>, <catalin.marinas@....com>, <will@...nel.org>,
        <arnd@...db.de>, <olof@...om.net>, <jirislaby@...nel.org>,
        <shawnguo@...nel.org>, <bjorn.andersson@...aro.org>,
        <geert+renesas@...der.be>, <marcel.ziswiler@...adex.com>,
        <vkoul@...nel.org>, <biju.das.jz@...renesas.com>,
        <nobuhiro1.iwamatsu@...hiba.co.jp>, <robert.hancock@...ian.com>,
        <j.neuschaefer@....net>, <lkundrak@...sk>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-watchdog@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tomer Maimon <tmaimon77@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v9 03/16] dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock

Add binding for the Arbel BMC NPCM8XX Clock controller.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Acked-by: Stephen Boyd <sboyd@...nel.org>
---
 .../bindings/clock/nuvoton,npcm845-clk.yaml   | 49 +++++++++++++++++++
 .../dt-bindings/clock/nuvoton,npcm845-clk.h   | 49 +++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
 create mode 100644 include/dt-bindings/clock/nuvoton,npcm845-clk.h

diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
new file mode 100644
index 000000000000..771db2ddf026
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/nuvoton,npcm845-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NPCM8XX Clock Controller Binding
+
+maintainers:
+  - Tomer Maimon <tmaimon77@...il.com>
+
+description: |
+  Nuvoton Arbel BMC NPCM8XX contains an integrated clock controller, which
+  generates and supplies clocks to all modules within the BMC.
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,npcm845-clk
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+    description:
+      See include/dt-bindings/clock/nuvoton,npcm8xx-clock.h for the full
+      list of NPCM8XX clock IDs.
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    ahb {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@...01000 {
+            compatible = "nuvoton,npcm845-clk";
+            reg = <0x0 0xf0801000 0x0 0x1000>;
+            #clock-cells = <1>;
+        };
+    };
+...
diff --git a/include/dt-bindings/clock/nuvoton,npcm845-clk.h b/include/dt-bindings/clock/nuvoton,npcm845-clk.h
new file mode 100644
index 000000000000..e5cce08b00e1
--- /dev/null
+++ b/include/dt-bindings/clock/nuvoton,npcm845-clk.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2021 Nuvoton Technologies.
+ * Author: Tomer Maimon <tomer.maimon@...oton.com>
+ *
+ * Device Tree binding constants for NPCM8XX clock controller.
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_NPCM8XX_H
+#define __DT_BINDINGS_CLOCK_NPCM8XX_H
+
+#define NPCM8XX_CLK_CPU		0
+#define NPCM8XX_CLK_GFX_PIXEL	1
+#define NPCM8XX_CLK_MC		2
+#define NPCM8XX_CLK_ADC		3
+#define NPCM8XX_CLK_AHB		4
+#define NPCM8XX_CLK_TIMER	5
+#define NPCM8XX_CLK_UART	6
+#define NPCM8XX_CLK_UART2	7
+#define NPCM8XX_CLK_MMC		8
+#define NPCM8XX_CLK_SPI3	9
+#define NPCM8XX_CLK_PCI		10
+#define NPCM8XX_CLK_AXI		11
+#define NPCM8XX_CLK_APB4	12
+#define NPCM8XX_CLK_APB3	13
+#define NPCM8XX_CLK_APB2	14
+#define NPCM8XX_CLK_APB1	15
+#define NPCM8XX_CLK_APB5	16
+#define NPCM8XX_CLK_CLKOUT	17
+#define NPCM8XX_CLK_GFX		18
+#define NPCM8XX_CLK_SU		19
+#define NPCM8XX_CLK_SU48	20
+#define NPCM8XX_CLK_SDHC	21
+#define NPCM8XX_CLK_SPI0	22
+#define NPCM8XX_CLK_SPI1	23
+#define NPCM8XX_CLK_SPIX	24
+#define NPCM8XX_CLK_RG		25
+#define NPCM8XX_CLK_RCP		26
+#define NPCM8XX_CLK_PRE_ADC	27
+#define NPCM8XX_CLK_ATB		28
+#define NPCM8XX_CLK_PRE_CLK	29
+#define NPCM8XX_CLK_TH		30
+#define NPCM8XX_CLK_REFCLK	31
+#define NPCM8XX_CLK_SYSBYPCK	32
+#define NPCM8XX_CLK_MCBYPCK	33
+
+#define NPCM8XX_NUM_CLOCKS	(NPCM8XX_CLK_MCBYPCK + 1)
+
+#endif
-- 
2.33.0