Am 19.01.2017 um 15:58 schrieb Martin Blumenstingl: > Add the SAR ADC to meson-gxbb.dtsi and meson-gxl.dtsi. GXBB provides a > 10-bit ADC while GXL (and GXM, which uses the same ADC as GXL) provides > a 12-bit ADC. > Some boards use resistor ladder buttons connected through one of the ADC > channels. On newer devices (GXL and GXM) some boards use pull-ups/downs > to change the resistance (and thus the ADC value) on of the ADC channels "on one of"? > to indicate the board revision. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Tested-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > --- > arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 8 ++++++++ > arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 10 ++++++++++ > arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 10 ++++++++++ > 3 files changed, 28 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > index 99e6a8d5cb9e..55abfb74aab2 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > @@ -255,6 +255,14 @@ > status = "disabled"; > }; > > + saradc: adc@8680 { > + compatible = "amlogic,meson-saradc"; > + #io-channel-cells = <1>; Personally I think it makes more sense to keep reg after compatible for consistency (same in example) and any #... "output" properties last. > + status = "disabled"; > + reg = <0x0 0x8680 0x0 0x34>; > + interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>; > + }; > + > pwm_ef: pwm@86c0 { > compatible = "amlogic,meson-gx-pwm", "amlogic,meson-gxbb-pwm"; > reg = <0x0 0x086c0 0x0 0x10>; > diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi > index 39a774ad83ce..04b3324bc132 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi > @@ -490,6 +490,16 @@ > clocks = <&clkc CLKID_I2C>; > }; > > +&saradc { > + compatible = "amlogic,meson-gxbb-saradc", "amlogic,meson-saradc"; > + clocks = <&xtal>, > + <&clkc CLKID_SAR_ADC>, > + <&clkc CLKID_SANA>, > + <&clkc CLKID_SAR_ADC_CLK>, > + <&clkc CLKID_SAR_ADC_SEL>; > + clock-names = "clkin", "core", "sana", "adc_clk", "adc_sel"; > +}; > + > &sd_emmc_a { > clocks = <&clkc CLKID_SD_EMMC_A>, > <&xtal>, > diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi > index bdf2305a2e25..7c72dbcef1ba 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi > @@ -340,6 +340,16 @@ > clocks = <&clkc CLKID_I2C>; > }; > > +&saradc { > + compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc"; > + clocks = <&xtal>, > + <&clkc CLKID_SAR_ADC>, > + <&clkc CLKID_SANA>, > + <&clkc CLKID_SAR_ADC_CLK>, > + <&clkc CLKID_SAR_ADC_SEL>; > + clock-names = "clkin", "core", "sana", "adc_clk", "adc_sel"; > +}; > + > &sd_emmc_a { > clocks = <&clkc CLKID_SD_EMMC_A>, > <&xtal>, Anyway, saradc before sd_emmc_a looks fine, Reviewed-by: Andreas Färber <afaerber@xxxxxxx> Regards, Andreas -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html