From mboxrd@z Thu Jan 1 00:00:00 1970 From: mka@chromium.org (Matthias Kaehlcke) Date: Tue, 3 Jul 2018 14:48:22 -0700 Subject: [PATCH v4 6/6] arm64: dts: sdm845: Add tsens nodes In-Reply-To: References: Message-ID: <20180703214822.GD129942@google.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Mon, Jul 02, 2018 at 06:14:09PM +0530, Amit Kucheria wrote: > SDM845 has two tsens blocks, one with 13 sensors and the other with 8 > sensors. > > Signed-off-by: Amit Kucheria > --- > arch/arm64/boot/dts/qcom/sdm845.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi > index cdaabeb..edf8505 100644 > --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi > +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi > @@ -221,6 +221,22 @@ > #interrupt-cells = <2>; > }; > > + tsens0: tsens at c222000 { > + compatible = "qcom,tsens-v2.4.0", "qcom,tsens-v2"; > + reg = <0xc263000 0x1ff>, /* TM */ > + <0xc222000 0x1ff>; /* SROT */ > + #qcom,sensors = <13>; > + #thermal-sensor-cells = <1>; > + }; > + > + tsens1: tsens at c223000 { > + compatible = "qcom,tsens-v2.4.0", "qcom,tsens-v2"; > + reg = <0xc265000 0x1ff>, /* TM */ > + <0xc223000 0x1ff>; /* SROT */ > + #qcom,sensors = <8>; > + #thermal-sensor-cells = <1>; > + }; > + > spmi_bus: spmi at c440000 { > compatible = "qcom,spmi-pmic-arb"; > reg = <0xc440000 0x1100>, I tested this series on an SDM845 board. Temperatures can be read from the tsens0 sensors, however for tsens1 sensors I get: cat temp cat: temp: No data available TRDY_READY_BIT set when reading TRDY_OFFSET in get_temp_tsens_v2(). Unfortunately I currently have no documentation of the registers or the thermal sensors in general and couldn't investigate further. Any idea what could be the problem? Thanks Matthias