From: Quentin Schulz <quentin.schulz-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Philipp Rossak <embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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Subject: Re: [PATCH v2 01/16] dt-bindings: update the Allwinner GPADC device tree binding for H3 & A83T
Date: Wed, 31 Jan 2018 18:40:59 +0100 [thread overview]
Message-ID: <20180131174058.f7gog7yahcu67sqr@qschulz> (raw)
In-Reply-To: <20180128232919.12639-2-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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Hi Philipp,
On Mon, Jan 29, 2018 at 12:29:04AM +0100, Philipp Rossak wrote:
> Allwinner H3 features a thermal sensor like the one in A33, but has its
> register re-arranged, the clock divider moved to CCU (originally the
> clock divider is in ADC) and added a pair of bus clock and reset.
>
> Allwinner A83T features a thermal sensor similar to the H3, the ths clock,
> the bus clock and the reset was removed from the CCU. The THS in A83T
> has a clock that is directly connected and runs with 24 MHz.
>
> Update the binding document to cover H3 and A83T.
>
> Signed-off-by: Philipp Rossak <embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> .../devicetree/bindings/mfd/sun4i-gpadc.txt | 50 ++++++++++++++++++++--
> 1 file changed, 47 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
> index 86dd8191b04c..22df0c5c23d4 100644
> --- a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
> +++ b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
> @@ -4,12 +4,35 @@ The Allwinner SoCs all have an ADC that can also act as a thermal sensor
> and sometimes as a touchscreen controller.
>
> Required properties:
> - - compatible: "allwinner,sun8i-a33-ths",
> + - compatible: must contain one of the following compatibles:
> + - "allwinner,sun8i-a33-ths"
> + - "allwinner,sun8i-h3-ths"
> + - "allwinner,sun8i-a83t-ths"
> - reg: mmio address range of the chip,
> - - #thermal-sensor-cells: shall be 0,
> + - #thermal-sensor-cells: shall be 0 or 1,
Well, thermal-sensor-cells is either 0 or 1 :)
Better to point to the documentation describing this
thermal-sensor-cells IMHO.
> - #io-channel-cells: shall be 0,
>
> -Example:
> +Required properties for the following compatibles:
> + - "allwinner,sun8i-h3-ths"
> + - "allwinner,sun8i-a83t-ths"
> + - interrupts: the sampling interrupt of the ADC,
> +
> +Required properties for the following compatibles:
> + - "allwinner,sun8i-h3-ths"
> + - clocks: the bus clock and the input clock of the ADC,
> + - clock-names: should be "bus" and "mod",
> + - resets: the bus reset of the ADC,
> +
> +Optional properties for the following compatibles:
> + - "allwinner,sun8i-h3-ths"
> + - nvmem-cells: A phandle to the calibration data provided by a nvmem device.
> + If unspecified default values shall be used. The size should
> + be 0x2 * sensorcount.
"twice the number of sensors" ?
> + - nvmem-cell-names: Should be "calibration".
> +
> +Details see: bindings/nvmem/nvmem.txt
> +
> +Example for A33:
> ths: ths@1c25000 {
> compatible = "allwinner,sun8i-a33-ths";
> reg = <0x01c25000 0x100>;
> @@ -17,6 +40,27 @@ Example:
> #io-channel-cells = <0>;
> };
>
> +Example for H3:
> + ths: thermal-sensor@1c25000 {
> + compatible = "allwinner,sun8i-h3-ths";
> + reg = <0x01c25000 0x400>;
> + clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
> + clock-names = "bus", "mod";
> + resets = <&ccu RST_BUS_THS>;
> + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
> + #thermal-sensor-cells = <0>;
> + #io-channel-cells = <0>;
> + };
> +
> +Example for A83T:
> + ths: thermal-sensor@1f04000 {
> + compatible = "allwinner,sun8i-a83t-ths";
> + reg = <0x01f04000 0x100>;
> + interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> + #thermal-sensor-cells = <1>;
> + #io-channel-cells = <0>;
> + };
> +
Aside from Maxime's comment on how we would like to refactor GPADC/THS,
I'm not sure we really want an example for each an every thermal sensor
supported.
Quentin
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next prev parent reply other threads:[~2018-01-31 17:40 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-28 23:29 [PATCH v2 00/16] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 08/16] iio: adc: sun4i-gpadc-iio: rework: add interrupt support Philipp Rossak
[not found] ` <20180128232919.12639-9-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-31 19:07 ` Quentin Schulz
2018-02-02 14:30 ` Philipp Rossak
2018-01-31 21:47 ` kbuild test robot
[not found] ` <20180128232919.12639-1-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-28 23:29 ` [PATCH v2 01/16] dt-bindings: update the Allwinner GPADC device tree binding for H3 & A83T Philipp Rossak
[not found] ` <20180128232919.12639-2-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:19 ` Maxime Ripard
[not found] ` <20180129091937.w3c3btvva5yaqlf6-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 12:30 ` Philipp Rossak
2018-01-31 17:40 ` Quentin Schulz [this message]
2018-01-31 18:14 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 02/16] arm: config: sunxi_defconfig: enable SUN4I_GPADC Philipp Rossak
[not found] ` <20180128232919.12639-3-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:21 ` Maxime Ripard
2018-01-28 23:29 ` [PATCH v2 03/16] iio: adc: sun4i-gpadc-iio: rename A33-specified registers to contain A33 Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 04/16] iio: adc: sun4i-gpadc-iio: rework: sampling start/end code readout reg Philipp Rossak
[not found] ` <20180128232919.12639-5-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:27 ` Maxime Ripard
2018-01-31 17:51 ` Quentin Schulz
2018-01-31 18:35 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 05/16] iio: adc: sun4i-gpadc-iio: rework: support clocks and reset Philipp Rossak
2018-01-29 9:31 ` Maxime Ripard
2018-01-28 23:29 ` [PATCH v2 06/16] iio: adc: sun4i-gpadc-iio: rework: support multiple sensors Philipp Rossak
[not found] ` <20180128232919.12639-7-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:37 ` Maxime Ripard
2018-01-31 18:42 ` Quentin Schulz
2018-02-02 14:13 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 07/16] iio: adc: sun4i-gpadc-iio: rework: support nvmem calibration data Philipp Rossak
[not found] ` <20180128232919.12639-8-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:40 ` Maxime Ripard
[not found] ` <20180129094045.sagz2dnzvdadd4yx-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 12:33 ` Philipp Rossak
[not found] ` <e319fde5-9ede-8be0-03ae-f0a22d50250c-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-30 8:36 ` Maxime Ripard
[not found] ` <20180130083642.cdpd7jnthkdrrk5r-ZC1Zs529Oq4@public.gmane.org>
2018-02-02 15:24 ` Philipp Rossak
2018-01-31 22:49 ` kbuild test robot
2018-01-28 23:29 ` [PATCH v2 09/16] iio: adc: sun4i-gpadc-iio: add support for H3 thermal sensor Philipp Rossak
[not found] ` <20180128232919.12639-10-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:46 ` Maxime Ripard
2018-01-31 19:23 ` Quentin Schulz
2018-02-02 14:42 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 10/16] iio: adc: sun4i-gpadc-iio: add support for A83T " Philipp Rossak
[not found] ` <20180128232919.12639-11-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:48 ` Maxime Ripard
[not found] ` <20180129094803.uiojqkmaeuihbe4p-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 11:53 ` Philipp Rossak
2018-01-30 8:32 ` Maxime Ripard
2018-01-28 23:29 ` [PATCH v2 11/16] arm: dts: sunxi-h3-h5: add support for the thermal sensor in H3 and H5 Philipp Rossak
[not found] ` <20180128232919.12639-12-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:49 ` Maxime Ripard
[not found] ` <20180129094918.4fvxpmoftgxxkqg3-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 11:54 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 12/16] arm: dts: sun8i: h3: add support for the thermal sensor in H3 Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 13/16] arm: dts: sun8i: h3: add thermal zone to H3 Philipp Rossak
[not found] ` <20180128232919.12639-14-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:50 ` Maxime Ripard
[not found] ` <20180129095034.5crx7ydq5k6f7omv-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 11:56 ` Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 14/16] arm: dts: sun8i: h3: enable H3 sid controller Philipp Rossak
[not found] ` <20180128232919.12639-15-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-29 9:52 ` Maxime Ripard
[not found] ` <20180129095200.attg7cgvpifpchtn-ZC1Zs529Oq4@public.gmane.org>
2018-01-29 12:03 ` Philipp Rossak
2018-04-19 15:11 ` [linux-sunxi] " Kyle Evans
2018-04-19 15:13 ` Icenowy Zheng
2018-04-19 15:19 ` Kyle Evans
[not found] ` <CACNAnaFMKDmvAUXJngKHWkeGLfjsgn5hhJszNk7Sg4BU98Oafw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-04-20 9:35 ` Philipp Rossak
[not found] ` <0ab29bf0-b069-338e-f312-e533656fa0b6-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-07-24 17:19 ` Paul Kocialkowski
2018-07-25 9:05 ` [linux-sunxi] " Emmanuel Vadot
[not found] ` <20180725110512.b6fb81be76f66b07942e5af0-xXdDKFdH5B3kFDPD4ZthVA@public.gmane.org>
2018-07-25 9:12 ` Paul Kocialkowski
2018-01-28 23:29 ` [PATCH v2 15/16] arm: dts: sun8i: a83t: add support for the thermal sensor in A83T Philipp Rossak
2018-01-28 23:29 ` [PATCH v2 16/16] arm: dts: sun8i: a83t: add thermal zone to A83T Philipp Rossak
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