On Fri, Apr 20, 2018 at 04:27:08PM +0100, Biju Das wrote:
> Describe SCIF ports in the R8A77470 device tree.
>
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
> Reviewed-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/r8a77470.dtsi | 69 +++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 67 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
> index 2f89f33..39549f2 100644
> --- a/arch/arm/boot/dts/r8a77470.dtsi
> +++ b/arch/arm/boot/dts/r8a77470.dtsi
> @@ -190,19 +190,84 @@
> dma-channels = <15>;
> };
>
> + scif0: serial@e6e60000 {
> + compatible = "renesas,scif-r8a77470",
> + "renesas,rcar-gen2-scif", "renesas,scif";
> + reg = <0 0xe6e60000 0 0x40>;
> + interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 721>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
> + clock-names = "fck", "brg_int", "scif_clk";
> + power-domains = <&sysc 32>;
> + resets = <&cpg 721>;
> + status = "disabled";
> + };
> +
> scif1: serial@e6e68000 {
> compatible = "renesas,scif-r8a77470",
> "renesas,rcar-gen2-scif", "renesas,scif";
> reg = <0 0xe6e68000 0 0x40>;
> interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&cpg CPG_MOD 720>,
> - <&cpg CPG_CORE 6>, <&scif_clk>;
> + clocks = <&cpg CPG_MOD 720>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
I am a little unclear why the CPG clock is changed from 6 (ZS?) to 5 (ZX?).
Could you clarify this for me?
> clock-names = "fck", "brg_int", "scif_clk";
> power-domains = <&sysc 32>;
> resets = <&cpg 720>;
> status = "disabled";
> };
>
> + scif2: serial@e6e58000 {
> + compatible = "renesas,scif-r8a77470",
> + "renesas,rcar-gen2-scif", "renesas,scif";
> + reg = <0 0xe6e58000 0 0x40>;
> + interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 719>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
> + clock-names = "fck", "brg_int", "scif_clk";
> + power-domains = <&sysc 32>;
> + resets = <&cpg 719>;
> + status = "disabled";
> + };
> +
> + scif3: serial@e6ea8000 {
> + compatible = "renesas,scif-r8a77470",
> + "renesas,rcar-gen2-scif", "renesas,scif";
> + reg = <0 0xe6ea8000 0 0x40>;
> + interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 718>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
> + clock-names = "fck", "brg_int", "scif_clk";
> + power-domains = <&sysc 32>;
> + resets = <&cpg 718>;
> + status = "disabled";
> + };
> +
> + scif4: serial@e6ee0000 {
> + compatible = "renesas,scif-r8a77470",
> + "renesas,rcar-gen2-scif", "renesas,scif";
> + reg = <0 0xe6ee0000 0 0x40>;
> + interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 715>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
> + clock-names = "fck", "brg_int", "scif_clk";
> + power-domains = <&sysc 32>;
> + resets = <&cpg 715>;
> + status = "disabled";
> + };
> +
> + scif5: serial@e6ee8000 {
> + compatible = "renesas,scif-r8a77470",
> + "renesas,rcar-gen2-scif", "renesas,scif";
> + reg = <0 0xe6ee8000 0 0x40>;
> + interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 714>,
> + <&cpg CPG_CORE 5>, <&scif_clk>;
> + clock-names = "fck", "brg_int", "scif_clk";
> + power-domains = <&sysc 32>;
> + resets = <&cpg 714>;
> + status = "disabled";
> + };
> +
> gic: interrupt-controller@f1001000 {
> compatible = "arm,gic-400";
> #interrupt-cells = <3>;
> --
> 2.7.4
>
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