[RFC 1/3] dts64: mt7622: enable all pwm for bananapi r64

Frank Wunderlich linux at fw-web.de
Fri Oct 16 16:40:17 EDT 2020


From: Frank Wunderlich <frank-w at public-files.de>

mt7622 only supports 6 pwm-channels so drop pwm7

third pwm (pwm2) is inverted and connected to fan-socket

Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
 .../boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts     | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index 1cc4dcb0008c..ad5b1592182d 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -414,10 +414,15 @@ mux {
 		};
 	};
 
-	pwm7_pins: pwm1-2-pins {
+	pwm_pins: pwm-pins {
 		mux {
 			function = "pwm";
-			groups = "pwm_ch7_2";
+			groups = "pwm_ch1_0", /* mt7622_pwm_ch1_0_pins[] = { 51, }; */
+				 "pwm_ch2_0", /* mt7622_pwm_ch2_0_pins[] = { 52, }; */
+				 "pwm_ch3_2", /* mt7622_pwm_ch3_2_pins[] = { 97, }; */
+				 "pwm_ch4_1", /* mt7622_pwm_ch4_1_pins[] = { 67, }; */
+				 "pwm_ch5_0", /* mt7622_pwm_ch5_0_pins[] = { 68, }; */
+				 "pwm_ch6_0"; /* mt7622_pwm_ch6_0_pins[] = { 69, }; */
 		};
 	};
 
@@ -537,7 +542,7 @@ mux {
 
 &pwm {
 	pinctrl-names = "default";
-	pinctrl-0 = <&pwm7_pins>;
+	pinctrl-0 = <&pwm_pins>;
 	status = "okay";
 };
 
-- 
2.25.1




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