Add CAN nodes to r8a7794 device tree. Based on work by Sergei Shtylyov for the r8a7791 SoC.
Cc: Sergei Shtylyov <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- arch/arm/boot/dts/r8a7794.dtsi | 23 +++++++++++++++++++++-- include/dt-bindings/clock/r8a7794-clock.h | 1 + 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi index eacb2b291361..c8742a599330 100644 --- a/arch/arm/boot/dts/r8a7794.dtsi +++ b/arch/arm/boot/dts/r8a7794.dtsi @@ -844,6 +844,24 @@ clock-output-names = "extal"; }; + /* External USB clock - can be overridden by the board */ + usb_extal_clk: usb_extal_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <48000000>; + clock-output-names = "usb_extal"; + }; + + /* External CAN clock */ + can_clk: can_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + /* This value must be overridden by the board. */ + clock-frequency = <0>; + clock-output-names = "can_clk"; + status = "disabled"; + }; + /* External SCIF clock */ scif_clk: scif { compatible = "fixed-clock"; @@ -858,10 +876,11 @@ compatible = "renesas,r8a7794-cpg-clocks", "renesas,rcar-gen2-cpg-clocks"; reg = <0 0xe6150000 0 0x1000>; - clocks = <&extal_clk>; + clocks = <&extal_clk &usb_extal_clk>; #clock-cells = <1>; clock-output-names = "main", "pll0", "pll1", "pll3", - "lb", "qspi", "sdh", "sd0", "z"; + "lb", "qspi", "sdh", "sd0", "z", + "rcan"; #power-domain-cells = <0>; }; /* Variable factor clocks */ diff --git a/include/dt-bindings/clock/r8a7794-clock.h b/include/dt-bindings/clock/r8a7794-clock.h index f843de6bf377..222a9dcbabb8 100644 --- a/include/dt-bindings/clock/r8a7794-clock.h +++ b/include/dt-bindings/clock/r8a7794-clock.h @@ -21,6 +21,7 @@ #define R8A7794_CLK_SDH 6 #define R8A7794_CLK_SD0 7 #define R8A7794_CLK_Z 8 +#define R8A7794_CLK_RCAN 9 /* MSTP0 */ #define R8A7794_CLK_MSIOF0 0 -- 2.1.4
