From: Philipp Rossak <embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
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Cc: linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [PATCH 01/16] dt-bindings: update the Allwinner GPADC device tree binding for H3 & A83T
Date: Fri, 26 Jan 2018 16:19:26 +0100 [thread overview]
Message-ID: <20180126151941.12183-2-embed3d@gmail.com> (raw)
In-Reply-To: <20180126151941.12183-1-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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..f6b939617a6d 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,
- #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 0x4 or 0x8, depending on the amount of CDATA registers.
+ - 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>;
+ };
+
sun4i, sun5i and sun6i SoCs are also supported via the older binding:
sun4i resistive touchscreen controller
--
2.11.0
--
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next prev parent reply other threads:[~2018-01-26 15:19 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-26 15:19 [PATCH 00/16] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC Philipp Rossak
[not found] ` <20180126151941.12183-1-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-26 15:19 ` Philipp Rossak [this message]
2018-01-26 15:19 ` [PATCH 02/16] arm: config: sunxi_defconfig: enable SUN4I_GPADC Philipp Rossak
2018-01-26 15:19 ` [PATCH 03/16] iio: adc: sun4i-gpadc-iio: rename A33-specified registers to contain A33 Philipp Rossak
[not found] ` <20180126151941.12183-4-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-28 8:34 ` Jonathan Cameron
2018-01-26 15:19 ` [PATCH 04/16] iio: adc: sun4i-gpadc-iio: rework: sampling start/end code readout reg Philipp Rossak
2018-01-28 8:43 ` Jonathan Cameron
2018-01-28 13:34 ` Philipp Rossak
2018-01-28 13:37 ` Icenowy Zheng
[not found] ` <2CC367BA-766A-4384-82EE-9A38BBFB08C2-h8G6r0blFSE@public.gmane.org>
2018-01-28 14:32 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 05/16] iio: adc: sun4i-gpadc-iio: rework: support clocks and reset Philipp Rossak
2018-01-28 8:50 ` Jonathan Cameron
2018-01-28 11:34 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 06/16] iio: adc: sun4i-gpadc-iio: rework: support multible sensors Philipp Rossak
2018-01-28 9:08 ` Jonathan Cameron
2018-01-28 14:10 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 07/16] iio: adc: sun4i-gpadc-iio: rework: support nvmem calibration data Philipp Rossak
2018-01-28 9:02 ` Jonathan Cameron
2018-01-28 13:46 ` Philipp Rossak
[not found] ` <6ebbb5e0-eb5f-afe4-50e8-eb3cee8ec7fa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-28 13:52 ` Icenowy Zheng
[not found] ` <1927F24D-D3ED-49CF-9B7C-A7C8C873F0CF-h8G6r0blFSE@public.gmane.org>
2018-01-28 14:39 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 08/16] iio: adc: sun4i-gpadc-iio: rework: add interrupt support Philipp Rossak
[not found] ` <20180126151941.12183-9-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-28 9:06 ` Jonathan Cameron
2018-01-28 13:48 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 09/16] iio: adc: sun4i-gpadc-iio: add support for H3 thermal sensor Philipp Rossak
2018-01-26 15:19 ` [PATCH 10/16] iio: adc: sun4i-gpadc-iio: add support for A83T " Philipp Rossak
[not found] ` <20180126151941.12183-11-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-26 17:46 ` [linux-sunxi] " Ondřej Jirman
[not found] ` <20180126174602.qolcswhqblgmlad7-9v8tmBix7cb9zxVx7UNMDg@public.gmane.org>
2018-01-27 4:30 ` Philipp Rossak
2018-01-26 15:19 ` [PATCH 11/16] arm: dts: sunxi-h3-h5: add support for the thermal sensor in H3 and H5 Philipp Rossak
2018-01-26 15:19 ` [PATCH 12/16] arm: dts: sun8i: h3: add support for the thermal sensor in H3 Philipp Rossak
2018-01-26 15:19 ` [PATCH 13/16] arm: dts: sun8i: h3: add thermal zone to H3 Philipp Rossak
[not found] ` <20180126151941.12183-14-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-26 16:26 ` Samuel Holland
[not found] ` <4cfb1faf-a712-c882-1ef1-55845c1bb00e-RkNLwX/CsU9g9hUCZPvPmw@public.gmane.org>
2018-01-26 17:48 ` [linux-sunxi] " Philipp Rossak
2018-01-26 15:19 ` [PATCH 14/16] arm: dts: sun8i: h3: enable H3 sid controller Philipp Rossak
2018-01-26 15:19 ` [PATCH 15/16] arm: dts: sun8i: a83t: add support for the thermal sensor in A83T Philipp Rossak
2018-01-26 15:19 ` [PATCH 16/16] arm: dts: sun8i: a83t: add thermal zone to A83T Philipp Rossak
[not found] ` <20180126151941.12183-17-embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-26 16:25 ` Samuel Holland
2018-01-26 17:35 ` [linux-sunxi] " Philipp Rossak
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