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Diffstat (limited to 'meta-rcar-gen2/recipes-kernel/linux/linux-renesas/0016-can-rcar_can-document-device-tree-bindings.patch')
| -rw-r--r-- | meta-rcar-gen2/recipes-kernel/linux/linux-renesas/0016-can-rcar_can-document-device-tree-bindings.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/0016-can-rcar_can-document-device-tree-bindings.patch b/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/0016-can-rcar_can-document-device-tree-bindings.patch new file mode 100644 index 0000000..df8137f --- /dev/null +++ b/meta-rcar-gen2/recipes-kernel/linux/linux-renesas/0016-can-rcar_can-document-device-tree-bindings.patch @@ -0,0 +1,66 @@ +From 632e25ca722e5361a1b40d89e77808f8f1c6799f Mon Sep 17 00:00:00 2001 +From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> +Date: Fri, 1 Aug 2014 01:24:25 +0400 +Subject: [PATCH] can: rcar_can: document device tree bindings + +Document the R-Car CAN device tree bindings. + +Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> +Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> +--- + .../devicetree/bindings/net/can/rcar_can.txt | 43 ++++++++++++++++++++++ + 1 file changed, 43 insertions(+) + create mode 100644 Documentation/devicetree/bindings/net/can/rcar_can.txt + +diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt +new file mode 100644 +index 0000000..002d844 +--- /dev/null ++++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt +@@ -0,0 +1,43 @@ ++Renesas R-Car CAN controller Device Tree Bindings ++------------------------------------------------- ++ ++Required properties: ++- compatible: "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. ++ "renesas,can-r8a7791" if CAN controller is a part of R8A7791 SoC. ++- 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". ++- pinctrl-0: pin control group to be used for this controller. ++- pinctrl-names: must be "default". ++ ++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 ++ ++Example ++------- ++ ++SoC common .dtsi file: ++ ++ can0: can@e6e80000 { ++ compatible = "renesas,can-r8a7791"; ++ reg = <0 0xe6e80000 0 0x1000>; ++ interrupts = <0 186 IRQ_TYPE_LEVEL_HIGH>; ++ clocks = <&mstp9_clks R8A7791_CLK_RCAN0>, ++ <&cpg_clocks R8A7791_CLK_RCAN>, <&can_clk>; ++ clock-names = "clkp1", "clkp2", "can_clk"; ++ status = "disabled"; ++ }; ++ ++Board specific .dts file: ++ ++&can0 { ++ pinctrl-0 = <&can0_pins>; ++ pinctrl-names = "default"; ++ status = "okay"; ++}; +-- +1.9.1 + |