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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-12-05 13:16:24 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-12-05 13:23:38 -0500
commit14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a (patch)
tree541647056606d3e0aa1e06e62d2b40417623f8cb /Documentation/devicetree/bindings/net/can/rcar_can.txt
parentmedia: pixfmt-meta-d4xx.rst: Add a license to it (diff)
parentMerge tag 'media/v4.20-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media (diff)
downloadlinux-dev-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.tar.xz
linux-dev-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.zip
Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork
Merge from Upstream after the latest media fixes branch, because we need one patch that it is there. * commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits) ide: Change to use DEFINE_SHOW_ATTRIBUTE macro ide: pmac: add of_node_put() drivers/tty: add missing of_node_put() drivers/sbus/char: add of_node_put() sbus: char: add of_node_put() Linux 4.20-rc5 PCI: Fix incorrect value returned from pcie_get_speed_cap() MAINTAINERS: Update linux-mips mailing list address ocfs2: fix potential use after free mm/khugepaged: fix the xas_create_range() error path mm/khugepaged: collapse_shmem() do not crash on Compound mm/khugepaged: collapse_shmem() without freezing new_page mm/khugepaged: minor reorderings in collapse_shmem() mm/khugepaged: collapse_shmem() remember to clear holes mm/khugepaged: fix crashes due to misaccounted holes mm/khugepaged: collapse_shmem() stop if punched or truncated mm/huge_memory: fix lockdep complaint on 32-bit i_size_read() mm/huge_memory: splitting set mapping+index before unfreeze mm/huge_memory: rename freeze_page() to unmap_page() initramfs: clean old path before creating a hardlink ...
Diffstat (limited to 'Documentation/devicetree/bindings/net/can/rcar_can.txt')
-rw-r--r--Documentation/devicetree/bindings/net/can/rcar_can.txt28
1 files changed, 18 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt
index cc4372842bf3..9936b9ee67c3 100644
--- a/Documentation/devicetree/bindings/net/can/rcar_can.txt
+++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt
@@ -5,6 +5,7 @@ Required properties:
- compatible: "renesas,can-r8a7743" if CAN controller is a part of R8A7743 SoC.
"renesas,can-r8a7744" if CAN controller is a part of R8A7744 SoC.
"renesas,can-r8a7745" if CAN controller is a part of R8A7745 SoC.
+ "renesas,can-r8a774a1" if CAN controller is a part of R8A774A1 SoC.
"renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC.
"renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC.
"renesas,can-r8a7790" if CAN controller is a part of R8A7790 SoC.
@@ -14,26 +15,32 @@ Required properties:
"renesas,can-r8a7794" if CAN controller is a part of R8A7794 SoC.
"renesas,can-r8a7795" if CAN controller is a part of R8A7795 SoC.
"renesas,can-r8a7796" if CAN controller is a part of R8A7796 SoC.
+ "renesas,can-r8a77965" if CAN controller is a part of R8A77965 SoC.
"renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device.
"renesas,rcar-gen2-can" for a generic R-Car Gen2 or RZ/G1
compatible device.
- "renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device.
+ "renesas,rcar-gen3-can" for a generic R-Car Gen3 or RZ/G2
+ compatible device.
When compatible with the generic version, nodes must list the
SoC-specific version corresponding to the platform first
followed by the generic version.
- reg: physical base address and size of the R-Car CAN register map.
- interrupts: interrupt specifier for the sole interrupt.
-- clocks: phandles and clock specifiers for 3 CAN clock inputs.
-- clock-names: 3 clock input name strings: "clkp1", "clkp2", "can_clk".
+- clocks: phandles and clock specifiers for 2 CAN clock inputs for RZ/G2
+ devices.
+ phandles and clock specifiers for 3 CAN clock inputs for every other
+ SoC.
+- clock-names: 2 clock input name strings for RZ/G2: "clkp1", "can_clk".
+ 3 clock input name strings for every other SoC: "clkp1", "clkp2",
+ "can_clk".
- pinctrl-0: pin control group to be used for this controller.
- pinctrl-names: must be "default".
-Required properties for "renesas,can-r8a7795" and "renesas,can-r8a7796"
-compatible:
-In R8A7795 and R8A7796 SoCs, "clkp2" can be CANFD clock. This is a div6 clock
-and can be used by both CAN and CAN FD controller at the same time. It needs to
-be scaled to maximum frequency if any of these controllers use it. This is done
+Required properties for R8A7795, R8A7796 and R8A77965:
+For the denoted SoCs, "clkp2" can be CANFD clock. This is a div6 clock and can
+be used by both CAN and CAN FD controller at the same time. It needs to be
+scaled to maximum frequency if any of these controllers use it. This is done
using the below properties:
- assigned-clocks: phandle of clkp2(CANFD) clock.
@@ -42,8 +49,9 @@ using the below properties:
Optional properties:
- renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
<0x0> (default) : Peripheral clock (clkp1)
- <0x1> : Peripheral clock (clkp2)
- <0x3> : Externally input clock
+ <0x1> : Peripheral clock (clkp2) (not supported by
+ RZ/G2 devices)
+ <0x3> : External input clock
Example
-------