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author | Olof Johansson <olof@lixom.net> | 2016-02-24 17:19:04 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2016-02-24 17:19:04 -0800 |
commit | 2bc51d76d20d7f6be064fe59755d1081de947221 (patch) | |
tree | e30e8e002041b22a8d3ba9e62d8f3b8b12f51c3a /arch/arm/boot/dts | |
parent | f21a3c7d57b88004e5dced07106ac1691a73ce7b (diff) | |
parent | 5e72c25b40c1e9ed77650f258799514aabd17303 (diff) | |
download | talos-obmc-linux-2bc51d76d20d7f6be064fe59755d1081de947221.tar.gz talos-obmc-linux-2bc51d76d20d7f6be064fe59755d1081de947221.zip |
Merge tag 'at91-ab-4.6-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/dt
DT changes for 4.6:
- Addition of the ADC for sama5d2 and sama5d2_xplained
* tag 'at91-ab-4.6-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
ARM: dts: at91: sama5d2 Xplained: enable the adc device
ARM: dts: at91: sama5d2: add adc device
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r-- | arch/arm/boot/dts/at91-sama5d2_xplained.dts | 22 | ||||
-rw-r--r-- | arch/arm/boot/dts/sama5d2.dtsi | 18 |
2 files changed, 34 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index e683856c507c..5b65ffe0845a 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -267,7 +267,29 @@ }; }; + adc: adc@fc030000 { + vddana-supply = <&vdd_3v3_lp_reg>; + vref-supply = <&vdd_3v3_lp_reg>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc_default>; + status = "okay"; + }; + pinctrl@fc038000 { + /* + * There is no real pinmux for ADC, if the pin + * is not requested by another peripheral then + * the muxing is done when channel is enabled. + * Requesting pins for ADC is GPIO is + * encouraged to prevent conflicts and to + * disable bias in order to be in the same + * state when the pin is not muxed to the adc. + */ + pinctrl_adc_default: adc_default { + pinmux = <PIN_PD23__GPIO>; + bias-disable; + }; + pinctrl_flx0_default: flx0_default { pinmux = <PIN_PB28__FLEXCOM0_IO0>, <PIN_PB29__FLEXCOM0_IO1>; diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index 3f750f6170f2..46dd4308844e 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -88,12 +88,6 @@ #clock-cells = <0>; clock-frequency = <0>; }; - - adc_op_clk: adc_op_clk{ - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <1000000>; - }; }; ns_sram: sram@00200000 { @@ -1085,6 +1079,18 @@ status = "disabled"; }; + adc: adc@fc030000 { + compatible = "atmel,sama5d2-adc"; + reg = <0xfc030000 0x100>; + interrupts = <40 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&adc_clk>; + clock-names = "adc_clk"; + atmel,min-sample-rate-hz = <200000>; + atmel,max-sample-rate-hz = <20000000>; + atmel,startup-time-ms = <4>; + status = "disabled"; + }; + pioA: pinctrl@fc038000 { compatible = "atmel,sama5d2-pinctrl"; reg = <0xfc038000 0x600>; |