linux-kernel - [PATCH 3.16 047/134] ARM: dts: at91: sama5d3_xplained: not all ADC channels are available

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Message-ID: <lsq.1503062000.308173595@decadent.org.uk>
Date:   Fri, 18 Aug 2017 14:13:20 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Nicolas Ferre" <nicolas.ferre@...rochip.com>,
        "Alexandre Belloni" <alexandre.belloni@...e-electrons.com>,
        "Ludovic Desroches" <ludovic.desroches@...rochip.com>
Subject: [PATCH 3.16 047/134] ARM: dts: at91: sama5d3_xplained: not all
 ADC channels are available

3.16.47-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Ludovic Desroches <ludovic.desroches@...rochip.com>

commit d3df1ec06353e51fc44563d2e7e18d42811af290 upstream.

Remove ADC channels that are not available by default on the sama5d3_xplained
board (resistor not populated) in order to not create confusion.

Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/arm/boot/dts/at91-sama5d3_xplained.dts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
@@ -142,9 +142,9 @@
 
 			adc0: adc@...18000 {
 				atmel,adc-vref = <3300>;
+				atmel,adc-channels-used = <0xfe>;
 				pinctrl-0 = <
 					&pinctrl_adc0_adtrg
-					&pinctrl_adc0_ad0
 					&pinctrl_adc0_ad1
 					&pinctrl_adc0_ad2
 					&pinctrl_adc0_ad3
@@ -152,8 +152,6 @@
 					&pinctrl_adc0_ad5
 					&pinctrl_adc0_ad6
 					&pinctrl_adc0_ad7
-					&pinctrl_adc0_ad8
-					&pinctrl_adc0_ad9
 					>;
 				status = "okay";
 			};