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Diffstat (limited to 'sys/contrib/device-tree/Bindings/clock/marvell-armada-370-gating-clock.yaml')
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diff --git a/sys/contrib/device-tree/Bindings/clock/marvell-armada-370-gating-clock.yaml b/sys/contrib/device-tree/Bindings/clock/marvell-armada-370-gating-clock.yaml new file mode 100644 index 000000000000..0475360d2b6a --- /dev/null +++ b/sys/contrib/device-tree/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@lunn.ch> + - Gregory Clement <gregory.clement@bootlin.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@d0038 { + compatible = "marvell,dove-gating-clock"; + reg = <0xd0038 0x4>; + /* default parent clock is tclk */ + clocks = <&core_clk 0>; + #clock-cells = <1>; + }; |