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Message-Id: <20200630000851.26879-4-rentao.bupt@gmail.com>
Date: Mon, 29 Jun 2020 17:08:51 -0700
From: rentao.bupt@...il.com
To: Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
openbmc@...ts.ozlabs.org, taoren@...com
Cc: Tao Ren <rentao.bupt@...il.com>
Subject: [PATCH 3/3] ARM: dts: aspeed: wedge40: enable pwm_tacho device
From: Tao Ren <rentao.bupt@...il.com>
Enable pwm_tacho device for fan control and monitoring in Wedge40.
Signed-off-by: Tao Ren <rentao.bupt@...il.com>
---
.../boot/dts/aspeed-bmc-facebook-wedge40.dts | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
index 1049cfa80ac2..8ac23ff6b09e 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
@@ -135,3 +135,32 @@
&adc {
status = "okay";
};
+
+&pwm_tacho {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0_default
+ &pinctrl_pwm1_default
+ &pinctrl_pwm6_default
+ &pinctrl_pwm7_default>;
+
+ fan@0 {
+ reg = <0x00>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>;
+ };
+
+ fan@1 {
+ reg = <0x01>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>;
+ };
+
+ fan@6 {
+ reg = <0x06>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>;
+ };
+
+ fan@7 {
+ reg = <0x07>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>;
+ };
+};
--
2.17.1
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