Re: [PATCH v4 3/4] ARM: dts: add main Thermal info to rk3288
From: Heiko Stübner <heiko@sntech.de>
Date: 2014-09-11 14:30:20
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linux-arm-kernel, linux-pm, lkml
Hi Caesar, Am Mittwoch, 10. September 2014, 10:49:05 schrieb Caesar Wang:
Hi Heiko, 在 2014年09月09日 19:37, Heiko Stübner 写道:quoted
Am Mittwoch, 3. September 2014, 10:10:38 schrieb Caesar Wang:quoted
Signed-off-by: Caesar Wang <redacted> --- arch/arm/boot/dts/rk3288.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)diff --git a/arch/arm/boot/dts/rk3288.dtsib/arch/arm/boot/dts/rk3288.dtsi index 36be7bb..3d672e3 100644--- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi
[...]
quoted
quoted
@@ -611,5 +622,12 @@ rockchip,pins = <5 15 3 &pcfg_pull_none>; }; }; + + tsadc { + tsadc_int: tsadc-int { + rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_up>; + }; + };After looking this up in the schematics I see that this is the overtemperature-protection output pin ... labeled OTP_OUT. So I'd think the pinconfig should reflect this pin-name, especially as tsadc-int suggests, that this would be an interrupt leading into the tsadc, while in fact it is an output to a separate circuit.Maybe,I guess your mean as the follows . Please correct it and Laugh out if I got it wrong.
I'll never laugh ... just try get the best solution / trying to understand backgrounds.
tsadc {
otp_out: otp-out {
rockchip,pins = <0 10 RK_FUNC_GPIO &pcfg_pull_none>;
};
tsadc_int: tsadc-int {
rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>;
};
};
Then,I deal with the otp_out in thermal driver.
I believe The "otp_out" will restart board if it's a high active.
tsadc_int: tsadc-int {
+ rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_up>;
+ };
But,I think the about will be implemented in thermal driver.I only meant the pin name (tsadc-int -> otp-out). In the schmatics the pin (controlled by the tsadc) is labeled otp_out and leads to the overtemperature protection circuit as expected. And as it's controlled by the tsadc, it should of course stay as the desired func_1. Heiko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel