Commit Graph

29 Commits

Author SHA1 Message Date
Miquel Raynal
47041b9780 arm64: dts: marvell: add interrupt support to cp110 thermal node
Add interrupt properties in the thermal node as well as a critical trip
point in the thermal-zone.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2019-02-06 12:05:30 +01:00
Miquel Raynal
b0e11e58c5 arm64: dts: marvell: add CP110 ICU SEI subnode
The ICU handles several interrupt groups, each of them being a subpart
of the ICU node.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-10-03 09:44:18 +02:00
Miquel Raynal
f21bb56e84 arm64: dts: marvell: use new bindings for CP110 interrupts
Create an ICU subnode for the NSR interrupts. This subnode becomes the
CP110 interrupt parent, removing the need for the ICU_GRP_NSR parameter.
Move all DT110 nodes to use these new bindings.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-10-03 09:44:09 +02:00
Antoine Tenart
dd0da407bb arm64: dts: marvell: armada-cp110: describe more PPv2 interrupts
This patch describes 3 additional interrupts per PPv2 port. Those
interrupts will be used later in future versions of the Marvell PPv2
driver, and now the device tree description matches the hardware
capabilities.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-09-26 14:29:46 +02:00
Antoine Tenart
eeee84f7a6 arm64: dts: marvell: armada-cp110: change the PPv2 IRQ names
This patch changes the PPv2 IRQ names in the CP110 device tree to match
a corresponding change in the Marvell PPv2 driver. The reason this was
updated is the IRQ where names after Tx/Rx interrupts, but this is not
true and can be configured. A following patch will add more of them and
the names wouldn't make sense.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-09-26 14:29:23 +02:00
Miquel Raynal
f656c80157 arm64: dts: marvell: add thermal-zone node in cp110 DTSI file
Add a thermal-zone node and fill in all the sensors available in a
cp110 (only one in the thermal IP).

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-09-21 16:13:36 +02:00
Miquel Raynal
0863e01c39 arm64: dts: marvell: move AP806/CP110 thermal nodes into a new syscon
New bindings impose to declare the thermal IP from within a new syscon.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-09-21 16:12:59 +02:00
Olof Johansson
7f27a62267 mvebu dt64 for 4.19 (part 2)
Use more specific compatible for the Inside Secure SafeXcel on the
 Armada 37xx and the Armada 7K/8K SoCs.
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Merge tag 'mvebu-dt64-4.19-2' of git://git.infradead.org/linux-mvebu into next/dt

mvebu dt64 for 4.19 (part 2)

Use more specific compatible for the Inside Secure SafeXcel on the
Armada 37xx and the Armada 7K/8K SoCs.

* tag 'mvebu-dt64-4.19-2' of git://git.infradead.org/linux-mvebu:
  arm64: dts: marvell: armada-37xx: update the crypto engine compatible
  arm64: dts: marvell: armada-cp110: update the crypto engine compatible

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-31 19:07:19 -07:00
Antoine Tenart
9598918b59 arm64: dts: marvell: armada-cp110: update the crypto engine compatible
New compatibles are now supported by the Inside Secure SafeXcel driver.
As they are more specific than the old ones, they should be used
whenever possible. This patch updates the Marvell cp110 device tree
accordingly.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-07-13 13:41:56 +02:00
Olof Johansson
a514338b94 mvebu fixes for 4.17 (part 2)
- Use correct size for ICU nodes (irq controller) on Armada 7K/8K
  - Fix "#cooling-cells" property's name on Synology DS116 (Armada 385)
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Merge tag 'mvebu-fixes-4.17-2' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for 4.17 (part 2)

 - Use correct size for ICU nodes (irq controller) on Armada 7K/8K
 - Fix "#cooling-cells" property's name on Synology DS116 (Armada 385)

* tag 'mvebu-fixes-4.17-2' of git://git.infradead.org/linux-mvebu:
  arm: dts: armada: Fix "#cooling-cells" property's name
  arm64: dts: marvell: fix CP110 ICU node size

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-23 10:14:08 -07:00
Linus Torvalds
721afaa2ae ARM: Device-tree updates
As always, a large number of DT updates. Too many to enumerate them all,
 but at a glance:
 
 New SoCs introduced in this release:
 
  - Amlogic:
    + Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some set
      top boxes and other products.
 
  - Mediatek:
    + MT7623A, which is a flavor of the MT7623 family with other on-chip
      ethernet options.
 
  - Qualcomm:
    + SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
      (Cortex-A75/A55 derivative) SoC that's one of the current high-end
      mobile SoCs.
 
      It's great to see mainline support for it. So far, you
      can't do much with it, since a lot of peripherals are not yet in the
      DTs but driver support for USB, GPU and other pieces are starting to
      trickle in. This might end up being a well-supported SoC upstream if
      the momentum keeps up.
 
  - Renesas:
    + R8A77990, a.k.a R-Car E3, a new automotive entertainment-targeted
      SoC. Currently only one Cortex-A53 CPU is enabled, we are eagerly
      awaiting more. So far, basic drivers such as serial, gpios, PMU and
      ethernet are enabled.
    + R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
      GPU. Same here, basic set of drivers such as serial, gpios and ethernet
      enabled, and SMP support is also forthcoming.
 
  - STMicroelectronics:
    + STM32F469, very similar tih STM32F429 but with display support
 
 Enhancements to SoCs/platforms (DTS contents, some driver portions might
 not be in yet):
 
  - Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
  - Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
  - Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
  - Marvell Berlin2CD: SMP support, thermal sensors
  - Mediatek MT7623: Highspeed DMA, audio support
  - Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
  - Renesas: Watchdog and PMU support across many platforms
  - Rockchip RK3399: USB3 OTG support
  - Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
  - STMicro STM32: Lots of peripherals added to STM32MP175C
  - Uniphier: Ethernet support
 
 New boards:
 
  - Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
  - Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
  - Allwinner A33: Nintendo NES/SuperNES Classic Edition
  - Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
  - Berlin2CD: Valve Steam Link
  - Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
  - Broadcom: Raspberry Pi 3 B+
  - Mediatek MT7623N and MT7623A: reference boards
  - Meson 8M2: Tronsmart MXIII Plus
  - NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
  - Qualcomm MSM8974: Sony Xperia Z1 Compact support
  - Qualcomm SDM845: MTP development board
  - Renesas: Ebisu R8A77990 board
  - Renesas RZ/G1C: iwg23s: iWave G235-SDB
  - TI am335x: Pocketbeagle support
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree updates from Olof Johansson:
 "As always, a large number of DT updates. Too many to enumerate them
  all, but at a glance:

  New SoCs introduced in this release:

   - Amlogic:
      + Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some
        set top boxes and other products.

   - Mediatek:
      + MT7623A, which is a flavor of the MT7623 family with other
        on-chip ethernet options.

   - Qualcomm:
      + SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
        (Cortex-A75/A55 derivative) SoC that's one of the current
        high-end mobile SoCs.

        It's great to see mainline support for it. So far, you can't do
        much with it, since a lot of peripherals are not yet in the DTs
        but driver support for USB, GPU and other pieces are starting to
        trickle in. This might end up being a well-supported SoC
        upstream if the momentum keeps up.

   - Renesas:
      + R8A77990, a.k.a R-Car E3, a new automotive
        entertainment-targeted SoC. Currently only one Cortex-A53 CPU is
        enabled, we are eagerly awaiting more. So far, basic drivers
        such as serial, gpios, PMU and ethernet are enabled.
      + R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
        GPU. Same here, basic set of drivers such as serial, gpios and
        ethernet enabled, and SMP support is also forthcoming.

   - STMicroelectronics:
      + STM32F469, very similar tih STM32F429 but with display support

  Enhancements to SoCs/platforms (DTS contents, some driver portions
  might not be in yet):
   - Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
   - Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
   - Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
   - Marvell Berlin2CD: SMP support, thermal sensors
   - Mediatek MT7623: Highspeed DMA, audio support
   - Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
   - Renesas: Watchdog and PMU support across many platforms
   - Rockchip RK3399: USB3 OTG support
   - Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
   - STMicro STM32: Lots of peripherals added to STM32MP175C
   - Uniphier: Ethernet support

  New boards:
   - Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
   - Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
   - Allwinner A33: Nintendo NES/SuperNES Classic Edition
   - Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
   - Berlin2CD: Valve Steam Link
   - Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
   - Broadcom: Raspberry Pi 3 B+
   - Mediatek MT7623N and MT7623A: reference boards
   - Meson 8M2: Tronsmart MXIII Plus
   - NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
   - Qualcomm MSM8974: Sony Xperia Z1 Compact support
   - Qualcomm SDM845: MTP development board
   - Renesas: Ebisu R8A77990 board
   - Renesas RZ/G1C: iwg23s: iWave G235-SDB
   - TI am335x: Pocketbeagle support"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (448 commits)
  ARM: dts: aspeed: Fix hwrng register address
  arm64: dts: sprd: whale2: Add the rtc enable clock for watchdog
  arm64: dts: sprd: Add GPIO and GPIO keys device nodes
  arm64: dts: sprd: fix typo in 'remote-endpoint'
  arm64: dts: apq8096-db820c: Removed bt-en-1-8v regulator
  arm64: dts: fix regulator property name for wlan pcie endpoint
  arm64: dts: qcom: msm8996: Use UFS_GDSC for UFS
  ARM: dts: pxa3xx: fix MMC clocks
  ARM: pxa: dts: add pin definitions for extended GPIOs
  ARM: pxa: dts: add gpio-ranges to gpio controller
  ARM: dts: ipq8074: Enable few peripherals for hk01 board
  ARM: dts: ipq8074: Add pcie nodes
  ARM: dts: ipq8074: Add peripheral nodes
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c2 board file
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c1 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk07.1 common data
  ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk04.1-c3 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk04.1-c1 board file
  ARM: dts: ipq4019: Add ipq4019-ap.dk04.dtsi
  ARM: dts: ipq4019: Change the max opp frequency
  ...
2018-06-11 17:57:38 -07:00
Miquel Raynal
2f872ddcdb arm64: dts: marvell: fix CP110 ICU node size
ICU size in CP110 is not 0x10 but at least 0x440 bytes long (from the
specification).

Fixes: 6ef84a827c ("arm64: dts: marvell: enable GICP and ICU on Armada 7K/8K")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-05-23 09:35:53 +02:00
Maxime Chevallier
f43194c144 ARM64: dts: marvell: armada-cp110: Add mg_core_clk for ethernet node
Marvell PPv2.2 controller present on CP-110 need the extra "mg_core_clk"
clock to avoid system hangs when powering some network interfaces up.

This issue appeared after a recent clock rework on Armada 7K/8K platforms.

This commit adds the new clock and updates the documentation accordingly.

[gregory.clement: use the real first commit to fix and add the cc:stable
flag]
Fixes: e3af9f7c6e ("RM64: dts: marvell: armada-cp110: Fix clock resources for various node")
Cc: <stable@vger.kernel.org>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-04-27 17:47:24 +02:00
Maxime Chevallier
a057344806 ARM64: dts: marvell: armada-cp110: Add clocks for the xmdio node
The Marvell XSMI controller needs 3 clocks to operate correctly :
 - The MG clock (clk 5)
 - The MG Core clock (clk 6)
 - The GOP clock (clk 18)

 This commit adds them, to avoid system hangs when using these
 interfaces.

[gregory.clement: use the real first commit to fix and add the cc:stable
flag]
Fixes: f66b2aff46 ("arm64: dts: marvell: add xmdio nodes for 7k/8k")
Cc: <stable@vger.kernel.org>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-04-27 17:44:25 +02:00
Mark Kettenis
02ba4ce64d arm64: dts: marvell: mark CP110 ahci as dma-coherent
The hardware is clearly DMA coherent and not marking it as such leads
to cache coherency problems, at least with the OpenBSD kernel.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-04-27 17:19:04 +02:00
Gregory CLEMENT
b15c9d3550 ARM64: dts: marvell: armada-cp110: Add registers clock for the PCIe nodes
This extra clock is needed to access the registers of the PCIe host
controller used on CP110 component of the Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "PCI: armada8k: Fix clock resource by adding
a register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:53 +01:00
Gregory CLEMENT
ef04faf106 ARM64: dts: marvell: armada-cp110: Add registers clock for the NAND node
This extra clock is needed to access the registers of the NAND controller
used on CP110 component of the Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "mtd: nand: marvell: Fix clock resource by adding
a register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:50 +01:00
Gregory CLEMENT
3c7f7f1503 ARM64: dts: marvell: armada-cp110: Add registers clock for the crypto node
This extra clock is needed to access the registers of the safexcel EIP97
used on CP110 component of the Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "crypto: inside-secure - fix clock resource by
adding a register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:47 +01:00
Gregory CLEMENT
cc4d5aed82 ARM64: dts: marvell: armada-cp110: Add registers clock for the trng node
This extra clock is needed to access the registers of the harware RNG
used on CP110 component of the Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "hwrng: omap - Fix clock resource by adding a
register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:44 +01:00
Gregory CLEMENT
f1ebfab99d ARM64: dts: marvell: armada-cp110: Add registers clock for XOR engine nodes
This extra clock is needed to access the registers of the XOR engine
controller used on CP110 component of the Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "dmaengine: mv_xor_v2: Fix clock resource by
adding a register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:41 +01:00
Gregory CLEMENT
f03ad7f6c5 ARM64: dts: marvell: armada-cp110: Add registers clock for USB host nodes
This extra clock is needed to access the registers of the USB host
controller used on Armada 7K/8K SoCs.

This follow the changes already made in the binding documentation (as
well as in the driver): "usb: host: xhci-plat: Fix clock resource by
adding a register clock"

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-19 17:13:38 +01:00
Gregory CLEMENT
597667d889 ARM64: dts: marvell: armada-cp110: Add apb_pclk clock for the uart nodes
This extra clock is needed to access the registers of the UARTs used on
CP110 component of the Armada 7K/8K SoCs.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-03-09 17:49:46 +01:00
Miquel Raynal
1e09a73f32 arm64: dts: marvell: use reworked NAND controller driver on Armada 7K
Use the new bindings of the reworked Marvell NAND controller driver.
Also adapt the nand controller node organization to distinguish which
property is relevant for the controller, and which one is NAND chip
specific. Expose the partitions as a subnode of the NAND chip.

Remove the 'marvell,nand-enable-arbiter' property, not needed anymore as
the driver activates the arbiter by default for all boards (either
needed or harmless).

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-27 17:50:01 +01:00
Gregory CLEMENT
c137ba9b41 ARM64: dts: marvell: armada-cp110: Add registers clock for sata node
This extra clock is needed to access the registers of the AHCI SATA
controller used on the Armada 7K/8K SoCs.

The ahci drivers was already designed to support up to 5 clocks so there
is only need to update the device tree to use it. It was not noticed
until now because of wrong assumption in the clock drivers, but as this
IP really needs 2 clocks, we had to declare both of them.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-27 17:47:48 +01:00
Gregory CLEMENT
292816a637 arm64: dts: marvell: use SPDX-License-Identifier for Armada SoCs
Follow the recent trend for the license description, and also fix the
wrongly stated X11 to MIT.

As already pointed on the DT ML, the X11 license text [1] is explicitly
for the X Consortium and has a couple of extra clauses. The MIT
license text [2] is actually what the current DT files claim.

[1] https://spdx.org/licenses/X11.html
[2] https://spdx.org/licenses/MIT.html

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-14 13:19:53 +01:00
Baruch Siach
ff1c516ed1 arm64: dts: marvell: add CP110 uart peripherals
The CP110 component has 4 uart peripherals. All of them use the same clock
gate for slow peripherals that is shared with the i2c and spi peripherals.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-14 11:42:22 +01:00
Gregory CLEMENT
afe8e5a900 ARM64: dts: marvell: armada-cp110: Add registers clock for I2C nodes
This extra clock is needed to access the registers of the I2C controller
used on the Armada 7K/8K SoCs.

This follows the changes already made in the binding documentation (as
well as in the driver) in:
commit 1534156e99 ("i2c: mv64xxx: Fix clock
resource by adding an optional bus clock")

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-14 11:40:38 +01:00
Gregory CLEMENT
a7cbf0b2d9 ARM64: dts: marvell: armada-cp110: Add registers clock for SPI nodes
This extra clock is needed to access the registers of the SPI controller
used on Armada 7K/8K SoCs.

This follows the changes already made in the binding documentation (as
well as in the driver) in:
'commit 92ae112e47 ("spi: orion: Fix clock
resource by adding an optional bus clock")'.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2018-02-14 11:40:37 +01:00
Thomas Petazzoni
72a3713fad arm64: dts: marvell: de-duplicate CP110 description
One concept of Marvell Armada 7K/8K SoCs is that they are made of HW
blocks composed of a variety of IPs (network, PCIe, SATA, XOR, SPI,
I2C, etc.), and those HW blocks can be duplicated several times within
a given SoC. The Armada 7K SoC has a single CP110 (so no duplication),
while the Armada 8K SoC has two CP110. In the future, SoCs with more
than 2 CP110s will be introduced.

In current kernel versions, the master CP110 is described in
armada-cp110-master.dtsi and the slave CP110 is described in
armada-cp110-slave.dtsi. Those files are basically exactly the same,
since they describe the same hardware. They only have a few
differences:

 - Base address of the registers is different for the "config-space"

 - Base address of the PCIe registers, MEM, CONF and IO areas were
   different

 - Labels (and phandles pointing to them) of the nodes were different
   ("cpm" prefix in the master CP, "cps" prefix in the slave CP)

This duplication issue has been discussed at the DT workshop [1] in
Prague last October, and we presented on this topic [2]. The solution
of using the C pre-processor to avoid this duplication has been
validated by the people present in this DT workshop, and this patch
simply implements what has been presented.

We handle differences between the master CP and slave CP description
using the C pre-processor, by defining a set of macros with different
values armada-cp110.dtsi is included to instantiate one of the master
or slave CP110.

There are a few aspects that deserve additional explanations:

 - PCIe needs to be handled separately because it is not part of the
   config-space {...} node, since it has registers outside of the
   range covered by config-space {...}.

 - We need to defined CP110_BASE, CP110_PCIEx_BASE without 0x, because
   they are used for the unit address part of some DT nodes. But since
   they are also used for the "reg" property of the same nodes, we
   have an ADDRESSIFY() macro that prepends 0x to those values.

We compared the resulting .dtb for armada-8040-db.dtb before and after
this patch is applied, and the result is exactly the same, except for
a few differences:

 - the SDHCI controller that was only described in the master CP110 is
   now also described in the slave CP110. Even though the SDHCI
   controller from the slave CP110 is indeed not usable (as it isn't
   wired to the outside world) it is technically part of the silicon,
   and therefore it is reasonable to also describe it to be part of
   the slave CP110. In addition, if we wanted to get this correct for
   the SDHCI controller, we should also do it for the NAND controller,
   for which the situation is even more complicated: in a single CP110
   configuration (Armada 7K), the usable NAND controller is in the
   master CP110, while in a dual CP110 configuration (Armada 8K), the
   usable NAND controller is in the slave CP110. Since that would add
   a lot of additional complexity for no good reason, and since the IP
   blocks are in fact really present in both CPs, we simply describe
   them in both CPs at the DT level.

 - the cp110-master and cp110-slave nodes are now named cpm and
   cps. We could have kept cp110-master and cp110-slave, but that
   would have required adding another CP110_xyz define, which didn't
   seem very useful.

Note that this commit also gets rid of the armada-cp110-master.dtsi
and armada-cp110-slave.dtsi files, as future SoCs will have more than
2 CPs. Instead, we instantiate the CPs directly from the SoC-specific
.dtsi files, i.e armada-70x0.dtsi and armada-80x0.dtsi.

[1] https://elinux.org/Device_tree_kernel_summit_2017_etherpad
[2] https://elinux.org/images/1/14/DTWorkshop2017-duplicate-data.pdf

[gregory.clement@free-electrons.com: add back the "ARM64: dts: marvell:
Fix clock resources for various node" commit]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2018-01-05 17:02:41 +01:00