From aea14e1496f0f48c96808aa4cfe93c77811c0dea Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Thu, 14 Jan 2016 16:38:15 +0100 Subject: ARM: dts: at91: sama5d2: add adc device Add the ADC device, and remove the adc_op_clk which is useless since the adc sampling frequency is configured with sysfs. Signed-off-by: Ludovic Desroches Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/sama5d2.dtsi | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'arch/arm/boot') 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>; -- cgit v1.2.3 From 5e72c25b40c1e9ed77650f258799514aabd17303 Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Thu, 14 Jan 2016 16:38:16 +0100 Subject: ARM: dts: at91: sama5d2 Xplained: enable the adc device Enable the adc on the sama5d2 Xplained board. Signed-off-by: Ludovic Desroches Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arm/boot') diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 77ddff036409..c3102a0a1643 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -261,7 +261,29 @@ }; }; + 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 = ; + bias-disable; + }; + pinctrl_flx0_default: flx0_default { pinmux = , ; -- cgit v1.2.3