Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9baf9688 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by Gregory CLEMENT
Browse files

devicetree: bindings: update DT bindings for Marvell EBU clock support



With the introduction of the Marvell Armada 39x SoC, the DT bindings
for Marvell EBU clocks need to be extended. This commit include the
corresponding update to the Device Tree bindings documentation.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
parent c517d838
Loading
Loading
Loading
Loading
+9 −0
Original line number Diff line number Diff line
@@ -23,6 +23,14 @@ The following is a list of provided IDs and clock names on Armada 380/385:
 2 = l2clk   (L2 Cache clock)
 3 = ddrclk  (DDR clock)

The following is a list of provided IDs and clock names on Armada 39x:
 0 = tclk    (Internal Bus clock)
 1 = cpuclk  (CPU clock)
 2 = nbclk   (Coherent Fabric clock)
 3 = hclk    (SDRAM Controller Internal Clock)
 4 = dclk    (SDRAM Interface Clock)
 5 = refclk  (Reference Clock)

The following is a list of provided IDs and clock names on Kirkwood and Dove:
 0 = tclk   (Internal Bus clock)
 1 = cpuclk (CPU0 clock)
@@ -39,6 +47,7 @@ Required properties:
	"marvell,armada-370-core-clock" - For Armada 370 SoC core clocks
	"marvell,armada-375-core-clock" - For Armada 375 SoC core clocks
	"marvell,armada-380-core-clock" - For Armada 380/385 SoC core clocks
	"marvell,armada-390-core-clock" - For Armada 39x SoC core clocks
	"marvell,armada-xp-core-clock" - For Armada XP SoC core clocks
	"marvell,dove-core-clock" - for Dove SoC core clocks
	"marvell,kirkwood-core-clock" - for Kirkwood SoC (except mv88f6180)
+14 −1
Original line number Diff line number Diff line
* Gated Clock bindings for Marvell EBU SoCs

Marvell Armada 370/375/380/385/XP, Dove and Kirkwood allow some
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
@@ -77,6 +77,18 @@ ID Clock Peripheral
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
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
-----------------------------------
@@ -152,6 +164,7 @@ Required properties:
	"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,dove-gating-clock" - for Dove SoC clock gating
	"marvell,kirkwood-gating-clock" - for Kirkwood SoC clock gating