Hi Morimoto-san,
CC devicetree
On Fri, Dec 4, 2015 at 4:17 AM, Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxxxx> wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
>
> This patch enables to use thermal-zone on DT if it was call as
> "renesas,rcar-thermal-gen2".
> Previous style is still supported by "renesas,rcar-thermal".
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/thermal/rcar-thermal.txt | 37 +++++++++++++++++-
> drivers/thermal/rcar_thermal.c | 45 +++++++++++++++++++---
> 2 files changed, 74 insertions(+), 8 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
> index 332e625..904f204 100644
> --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt
> @@ -1,8 +1,9 @@
> * Renesas R-Car Thermal
>
> Required properties:
> -- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal"
> - as fallback.
> +- compatible : "renesas,thermal-<soctype>",
> + "renesas,rcar-thermal-gen2" (with thermal-zone) or
Ugh, another different scheme "<manuf>,<family>-<device>-<familyversion>"...
What about "renesas,rcar-gen2-thermal"?
> + "renesas,rcar-thermal" (without thermal-zone) as fallback.
> Examples with soctypes are:
> - "renesas,thermal-r8a73a4" (R-Mobile APE6)
> - "renesas,thermal-r8a7779" (R-Car H1)
> @@ -36,3 +37,35 @@ thermal@e61f0000 {
> 0xe61f0300 0x38>;
> interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
> };
> +
> +Example (with thermal-zone):
> +
> +thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> +
> + thermal-sensors = <&thermal>;
> +
> + trips {
> + cpu-crit {
> + temperature = <1150000>;
> + hysteresis = <0>;
> + type = "critical";
> + };
> + };
> + cooling-maps {
> + };
> + };
> +};
> +
> +thermal: thermal@e61f0000 {
> + compatible = "renesas,thermal-r8a7790",
> + "renesas,rcar-thermal-gen2",
> + "renesas,rcar-thermal";
> + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
> + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&mstp5_clks R8A7790_CLK_THERMAL>;
> + power-domains = <&cpg_clocks>;
> + #thermal-sensor-cells = <0>;
> +};
How are the two nodes above linked?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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