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Message-ID: <20250521210813.61484-1-robh@kernel.org>
Date: Wed, 21 May 2025 16:08:11 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>
Cc: linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH] dt-bindings: clock: Convert marvell-armada-370-gating-clock to DT schema

Convert the Marvell gating clock binding to DT schema format. It's a
straight forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../marvell-armada-370-gating-clock.yaml      | 227 ++++++++++++++++++
 .../bindings/clock/mvebu-gated-clock.txt      | 205 ----------------
 2 files changed, 227 insertions(+), 205 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/marvell-armada-370-gating-clock.yaml
 delete mode 100644 Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt

diff --git a/Documentation/devicetree/bindings/clock/marvell-armada-370-gating-clock.yaml b/Documentation/devicetree/bindings/clock/marvell-armada-370-gating-clock.yaml
new file mode 100644
index 000000000000..0475360d2b6a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/marvell-armada-370-gating-clock.yaml
@@ -0,0 +1,227 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+---
+$id: http://devicetree.org/schemas/clock/marvell-armada-370-gating-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell EBU SoC gating-clock
+
+maintainers:
+  - Andrew Lunn <andrew@...n.ch>
+  - Gregory Clement <gregory.clement@...tlin.com>
+
+description: >
+  Marvell Armada 370/375/380/385/39x/XP, Dove and Kirkwood allow some peripheral
+  clocks to be gated to save some power. The clock ID is directly mapped to the
+  corresponding clock gating control bit in HW to ease manual clock lookup in
+  datasheet.
+
+  The following is a list of provided IDs for Armada 370:
+
+    ID    Clock    Peripheral
+    -----------------------------------
+    0     Audio    AC97 Cntrl
+    1     pex0_en  PCIe 0 Clock out
+    2     pex1_en  PCIe 1 Clock out
+    3     ge1      Gigabit Ethernet 1
+    4     ge0      Gigabit Ethernet 0
+    5     pex0     PCIe Cntrl 0
+    9     pex1     PCIe Cntrl 1
+    15    sata0    SATA Host 0
+    17    sdio     SDHCI Host
+    23    crypto   CESA (crypto engine)
+    25    tdm      Time Division Mplx
+    28    ddr      DDR Cntrl
+    30    sata1   SATA Host 0
+
+  The following is a list of provided IDs for Armada 375:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    2     mu              Management Unit
+    3     pp              Packet Processor
+    4     ptp             PTP
+    5     pex0            PCIe 0 Clock out
+    6     pex1            PCIe 1 Clock out
+    8     audio           Audio Cntrl
+    11    nd_clk          Nand Flash Cntrl
+    14    sata0_link      SATA 0 Link
+    15    sata0_core      SATA 0 Core
+    16    usb3            USB3 Host
+    17    sdio            SDHCI Host
+    18    usb             USB Host
+    19    gop             Gigabit Ethernet MAC
+    20    sata1_link      SATA 1 Link
+    21    sata1_core      SATA 1 Core
+    22    xor0            XOR DMA 0
+    23    xor1            XOR DMA 0
+    24    copro           Coprocessor
+    25    tdm             Time Division Mplx
+    28    crypto0_enc     Cryptographic Unit Port 0 Encryption
+    29    crypto0_core    Cryptographic Unit Port 0 Core
+    30    crypto1_enc     Cryptographic Unit Port 1 Encryption
+    31    crypto1_core    Cryptographic Unit Port 1 Core
+
+  The following is a list of provided IDs for Armada 380/385:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    0     audio           Audio
+    2     ge2             Gigabit Ethernet 2
+    3     ge1             Gigabit Ethernet 1
+    4     ge0             Gigabit Ethernet 0
+    5     pex1            PCIe 1
+    6     pex2            PCIe 2
+    7     pex3            PCIe 3
+    8     pex0            PCIe 0
+    9     usb3h0          USB3 Host 0
+    10    usb3h1          USB3 Host 1
+    11    usb3d           USB3 Device
+    13    bm              Buffer Management
+    14    crypto0z        Cryptographic 0 Z
+    15    sata0           SATA 0
+    16    crypto1z        Cryptographic 1 Z
+    17    sdio            SDIO
+    18    usb2            USB 2
+    21    crypto1         Cryptographic 1
+    22    xor0            XOR 0
+    23    crypto0         Cryptographic 0
+    25    tdm             Time Division Multiplexing
+    28    xor1            XOR 1
+    30    sata1           SATA 1
+
+  The following is a list of provided IDs for Armada 39x:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    5     pex1            PCIe 1
+    6     pex2            PCIe 2
+    7     pex3            PCIe 3
+    8     pex0            PCIe 0
+    9     usb3h0          USB3 Host 0
+    10    usb3h1          USB3 Host 1
+    15    sata0           SATA 0
+    17    sdio            SDIO
+    22    xor0            XOR 0
+    28    xor1            XOR 1
+
+  The following is a list of provided IDs for Armada XP:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    0     audio           Audio Cntrl
+    1     ge3             Gigabit Ethernet 3
+    2     ge2             Gigabit Ethernet 2
+    3     ge1             Gigabit Ethernet 1
+    4     ge0             Gigabit Ethernet 0
+    5     pex0            PCIe Cntrl 0
+    6     pex1            PCIe Cntrl 1
+    7     pex2            PCIe Cntrl 2
+    8     pex3            PCIe Cntrl 3
+    13    bp
+    14    sata0lnk
+    15    sata0           SATA Host 0
+    16    lcd             LCD Cntrl
+    17    sdio            SDHCI Host
+    18    usb0            USB Host 0
+    19    usb1            USB Host 1
+    20    usb2            USB Host 2
+    22    xor0            XOR DMA 0
+    23    crypto          CESA engine
+    25    tdm             Time Division Mplx
+    28    xor1            XOR DMA 1
+    29    sata1lnk
+    30    sata1           SATA Host 1
+
+  The following is a list of provided IDs for 98dx3236:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    3     ge1             Gigabit Ethernet 1
+    4     ge0             Gigabit Ethernet 0
+    5     pex0            PCIe Cntrl 0
+    17    sdio            SDHCI Host
+    18    usb0            USB Host 0
+    22    xor0            XOR DMA 0
+
+  The following is a list of provided IDs for Dove:
+
+  ID    Clock           Peripheral
+  -----------------------------------
+    0     usb0            USB Host 0
+    1     usb1            USB Host 1
+    2     ge              Gigabit Ethernet
+    3     sata            SATA Host
+    4     pex0            PCIe Cntrl 0
+    5     pex1            PCIe Cntrl 1
+    8     sdio0           SDHCI Host 0
+    9     sdio1           SDHCI Host 1
+    10    nand            NAND Cntrl
+    11    camera          Camera Cntrl
+    12    i2s0            I2S Cntrl 0
+    13    i2s1            I2S Cntrl 1
+    15    crypto          CESA engine
+    21    ac97            AC97 Cntrl
+    22    pdma            Peripheral DMA
+    23    xor0            XOR DMA 0
+    24    xor1            XOR DMA 1
+    30    gephy           Gigabit Ethernet PHY
+    Note: gephy(30) is implemented as a parent clock of ge(2)
+
+  The following is a list of provided IDs for Kirkwood:
+
+    ID    Clock           Peripheral
+    -----------------------------------
+    0     ge0             Gigabit Ethernet 0
+    2     pex0            PCIe Cntrl 0
+    3     usb0            USB Host 0
+    4     sdio            SDIO Cntrl
+    5     tsu             Transp. Stream Unit
+    6     dunit           SDRAM Cntrl
+    7     runit           Runit
+    8     xor0            XOR DMA 0
+    9     audio           I2S Cntrl 0
+    14    sata0           SATA Host 0
+    15    sata1           SATA Host 1
+    16    xor1            XOR DMA 1
+    17    crypto          CESA engine
+    18    pex1            PCIe Cntrl 1
+    19    ge1             Gigabit Ethernet 1
+    20    tdm             Time Division Mplx
+
+properties:
+  compatible:
+    enum:
+      - marvell,armada-370-gating-clock
+      - marvell,armada-375-gating-clock
+      - marvell,armada-380-gating-clock
+      - marvell,armada-390-gating-clock
+      - marvell,armada-xp-gating-clock
+      - marvell,mv98dx3236-gating-clock
+      - marvell,dove-gating-clock
+      - marvell,kirkwood-gating-clock
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@...38 {
+        compatible = "marvell,dove-gating-clock";
+        reg = <0xd0038 0x4>;
+        /* default parent clock is tclk */
+        clocks = <&core_clk 0>;
+        #clock-cells = <1>;
+    };
diff --git a/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt b/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt
deleted file mode 100644
index de562da2ae77..000000000000
--- a/Documentation/devicetree/bindings/clock/mvebu-gated-clock.txt
+++ /dev/null
@@ -1,205 +0,0 @@
-* Gated Clock bindings for Marvell EBU SoCs
-
-Marvell Armada 370/375/380/385/39x/XP, Dove and Kirkwood allow some
-peripheral clocks to be gated to save some power. The clock consumer
-should specify the desired clock by having the clock ID in its
-"clocks" phandle cell. The clock ID is directly mapped to the
-corresponding clock gating control bit in HW to ease manual clock
-lookup in datasheet.
-
-The following is a list of provided IDs for Armada 370:
-ID	Clock	Peripheral
------------------------------------
-0	Audio	AC97 Cntrl
-1	pex0_en	PCIe 0 Clock out
-2	pex1_en	PCIe 1 Clock out
-3	ge1	Gigabit Ethernet 1
-4	ge0	Gigabit Ethernet 0
-5	pex0	PCIe Cntrl 0
-9	pex1	PCIe Cntrl 1
-15	sata0	SATA Host 0
-17	sdio	SDHCI Host
-23	crypto	CESA (crypto engine)
-25	tdm	Time Division Mplx
-28	ddr	DDR Cntrl
-30	sata1	SATA Host 0
-
-The following is a list of provided IDs for Armada 375:
-ID	Clock		Peripheral
------------------------------------
-2	mu		Management Unit
-3	pp		Packet Processor
-4	ptp		PTP
-5	pex0		PCIe 0 Clock out
-6	pex1		PCIe 1 Clock out
-8	audio		Audio Cntrl
-11	nd_clk		Nand Flash Cntrl
-14	sata0_link	SATA 0 Link
-15	sata0_core	SATA 0 Core
-16	usb3		USB3 Host
-17	sdio		SDHCI Host
-18	usb		USB Host
-19	gop		Gigabit Ethernet MAC
-20	sata1_link	SATA 1 Link
-21	sata1_core	SATA 1 Core
-22	xor0		XOR DMA 0
-23	xor1		XOR DMA 0
-24	copro		Coprocessor
-25	tdm		Time Division Mplx
-28	crypto0_enc	Cryptographic Unit Port 0 Encryption
-29	crypto0_core	Cryptographic Unit Port 0 Core
-30	crypto1_enc	Cryptographic Unit Port 1 Encryption
-31	crypto1_core	Cryptographic Unit Port 1 Core
-
-The following is a list of provided IDs for Armada 380/385:
-ID	Clock		Peripheral
------------------------------------
-0	audio		Audio
-2	ge2		Gigabit Ethernet 2
-3	ge1		Gigabit Ethernet 1
-4	ge0		Gigabit Ethernet 0
-5	pex1		PCIe 1
-6	pex2		PCIe 2
-7	pex3		PCIe 3
-8	pex0		PCIe 0
-9	usb3h0		USB3 Host 0
-10	usb3h1		USB3 Host 1
-11	usb3d		USB3 Device
-13	bm		Buffer Management
-14	crypto0z	Cryptographic 0 Z
-15	sata0		SATA 0
-16	crypto1z	Cryptographic 1 Z
-17	sdio		SDIO
-18	usb2		USB 2
-21	crypto1		Cryptographic 1
-22	xor0		XOR 0
-23	crypto0		Cryptographic 0
-25	tdm		Time Division Multiplexing
-28	xor1		XOR 1
-30	sata1		SATA 1
-
-The following is a list of provided IDs for Armada 39x:
-ID	Clock		Peripheral
------------------------------------
-5	pex1		PCIe 1
-6	pex2		PCIe 2
-7	pex3		PCIe 3
-8	pex0		PCIe 0
-9	usb3h0		USB3 Host 0
-10	usb3h1		USB3 Host 1
-15	sata0		SATA 0
-17	sdio		SDIO
-22	xor0		XOR 0
-28	xor1		XOR 1
-
-The following is a list of provided IDs for Armada XP:
-ID	Clock	Peripheral
------------------------------------
-0	audio	Audio Cntrl
-1	ge3	Gigabit Ethernet 3
-2	ge2	Gigabit Ethernet 2
-3	ge1	Gigabit Ethernet 1
-4	ge0	Gigabit Ethernet 0
-5	pex0	PCIe Cntrl 0
-6	pex1	PCIe Cntrl 1
-7	pex2	PCIe Cntrl 2
-8	pex3	PCIe Cntrl 3
-13	bp
-14	sata0lnk
-15	sata0	SATA Host 0
-16	lcd	LCD Cntrl
-17	sdio	SDHCI Host
-18	usb0	USB Host 0
-19	usb1	USB Host 1
-20	usb2	USB Host 2
-22	xor0	XOR DMA 0
-23	crypto	CESA engine
-25	tdm	Time Division Mplx
-28	xor1	XOR DMA 1
-29	sata1lnk
-30	sata1	SATA Host 1
-
-The following is a list of provided IDs for 98dx3236:
-ID	Clock	Peripheral
------------------------------------
-3	ge1	Gigabit Ethernet 1
-4	ge0	Gigabit Ethernet 0
-5	pex0	PCIe Cntrl 0
-17	sdio	SDHCI Host
-18	usb0	USB Host 0
-22	xor0	XOR DMA 0
-
-The following is a list of provided IDs for Dove:
-ID	Clock	Peripheral
------------------------------------
-0	usb0	USB Host 0
-1	usb1	USB Host 1
-2	ge	Gigabit Ethernet
-3	sata	SATA Host
-4	pex0	PCIe Cntrl 0
-5	pex1	PCIe Cntrl 1
-8	sdio0	SDHCI Host 0
-9	sdio1	SDHCI Host 1
-10	nand	NAND Cntrl
-11	camera	Camera Cntrl
-12	i2s0	I2S Cntrl 0
-13	i2s1	I2S Cntrl 1
-15	crypto	CESA engine
-21	ac97	AC97 Cntrl
-22	pdma	Peripheral DMA
-23	xor0	XOR DMA 0
-24	xor1	XOR DMA 1
-30	gephy	Gigabit Ethernel PHY
-Note: gephy(30) is implemented as a parent clock of ge(2)
-
-The following is a list of provided IDs for Kirkwood:
-ID	Clock	Peripheral
------------------------------------
-0	ge0	Gigabit Ethernet 0
-2	pex0	PCIe Cntrl 0
-3	usb0	USB Host 0
-4	sdio	SDIO Cntrl
-5	tsu	Transp. Stream Unit
-6	dunit	SDRAM Cntrl
-7	runit	Runit
-8	xor0	XOR DMA 0
-9	audio	I2S Cntrl 0
-14	sata0	SATA Host 0
-15	sata1	SATA Host 1
-16	xor1	XOR DMA 1
-17	crypto	CESA engine
-18	pex1	PCIe Cntrl 1
-19	ge1	Gigabit Ethernet 1
-20	tdm	Time Division Mplx
-
-Required properties:
-- compatible : shall be one of the following:
-	"marvell,armada-370-gating-clock" - for Armada 370 SoC clock gating
-	"marvell,armada-375-gating-clock" - for Armada 375 SoC clock gating
-	"marvell,armada-380-gating-clock" - for Armada 380/385 SoC clock gating
-	"marvell,armada-390-gating-clock" - for Armada 39x SoC clock gating
-	"marvell,armada-xp-gating-clock" - for Armada XP SoC clock gating
-	"marvell,mv98dx3236-gating-clock" - for 98dx3236 SoC clock gating
-	"marvell,dove-gating-clock" - for Dove SoC clock gating
-	"marvell,kirkwood-gating-clock" - for Kirkwood SoC clock gating
-- reg : shall be the register address of the Clock Gating Control register
-- #clock-cells : from common clock binding; shall be set to 1
-
-Optional properties:
-- clocks : default parent clock phandle (e.g. tclk)
-
-Example:
-
-gate_clk: clock-gating-control@...38 {
-	compatible = "marvell,dove-gating-clock";
-	reg = <0xd0038 0x4>;
-	/* default parent clock is tclk */
-	clocks = <&core_clk 0>;
-	#clock-cells = <1>;
-};
-
-sdio0: sdio@...00 {
-	compatible = "marvell,dove-sdhci";
-	/* get clk gate bit 8 (sdio0) */
-	clocks = <&gate_clk 8>;
-};
-- 
2.47.2


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