Hi,
On Sun, 21 Jun 2020 00:39:04 +0200
Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> wrote:
> Hi,
>
> This patchset adds basic support for the embedded controller found on
> older ebook reader boards designed by/with the ODM Netronix Inc.[1] and
> sold by Kobo or Tolino, for example the Kobo Aura and the Tolino Shine.
> These drivers are based on the vendor kernel sources, but in order to
> all information in a single place, I documented the register interface
> of the EC on GitHub[4].
>
> A few things still needs to be ironed out, hence the RFC tag:
> - The reboot/reset handler in patch 3/10 calls into I2C code, which may
> sleep, but reboot handlers are apparently not allowed to sleep.
> - I'm not sure I got the YAML DT bindings right. I have also included
> the plain text DT bindings for reference.
>
>
got a chance to test it on a Tolino Shine 2 HD.
It uses the RTC from the RC5T619 but backlight seems to go via MSP430
EC.
I got this.
[ 1.453603] ntxec 0-0043: Netronix embedded controller version f110 detected.
[ 10.723638] ntxec-rtc 21a0000.i2c:embedded-controller@43:rtc: registered as rtc0
[ 10.775276] ntxec-pwm: probe of 21a0000.i2c:embedded-controller@43:pwm failed with error -5
[ 10.850597] ntxec-rtc 21a0000.i2c:embedded-controller@43:rtc: hctosys: unable to read the hardware clock
version number matchess with what the vendor kernel reports. Maybe we
should document which version is running on which devices?
&i2c1 {
pinctrl-names = "default","sleep";
pinctrl-0 = <&pinctrl_i2c1>;
pinctrl-1 = <&pinctrl_i2c1_sleep>;
status = "okay";
embedded-controller@43 {
// pinctrl-names = "default";
// pinctrl-0 = <&pinctrl_ec>;
compatible = "netronix,ntxec";
reg = <0x43>;
interrupts-extended = <&gpio5 11 IRQ_TYPE_EDGE_FALLING>;
interrupt-controller;
#interrupt-cells = <1>;
ec_pwm: pwm {
compatible = "netronix,ntxec-pwm";
#pwm-cells = <2>;
};
rtc {
compatible = "netronix,ntxec-rtc";
};
};
};
Regards,
Andreas
