public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: rentao.bupt@gmail.com
To: Rob Herring <robh+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
	Andrew Jeffery <andrew@aj.id.au>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	openbmc@lists.ozlabs.org, taoren@fb.com
Cc: Tao Ren <rentao.bupt@gmail.com>
Subject: [PATCH v2 3/3] ARM: dts: aspeed: wedge40: enable pwm_tacho device
Date: Thu, 23 Jul 2020 16:05:39 -0700	[thread overview]
Message-ID: <20200723230539.17860-4-rentao.bupt@gmail.com> (raw)
In-Reply-To: <20200723230539.17860-1-rentao.bupt@gmail.com>

From: Tao Ren <rentao.bupt@gmail.com>

Enable pwm_tacho device for fan control and monitoring in Wedge40.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
---
 Changes in v2:
   - Nothing changed. Resending the patch just in case the previous
     email was not delivered.

 .../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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-07-23 23:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-23 23:05 [PATCH v2 0/3] ARM: dts: aspeed: fixup wedge40 device tree rentao.bupt
2020-07-23 23:05 ` [PATCH v2 1/3] ARM: dts: aspeed: wedge40: disable a few i2c controllers rentao.bupt
2020-07-23 23:05 ` [PATCH v2 2/3] ARM: dts: aspeed: wedge40: enable adc device rentao.bupt
2020-07-23 23:05 ` rentao.bupt [this message]
2020-07-24  5:32 ` [PATCH v2 0/3] ARM: dts: aspeed: fixup wedge40 device tree Joel Stanley
2020-07-24  7:57   ` Tao Ren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200723230539.17860-4-rentao.bupt@gmail.com \
    --to=rentao.bupt@gmail.com \
    --cc=andrew@aj.id.au \
    --cc=devicetree@vger.kernel.org \
    --cc=joel@jms.id.au \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-aspeed@lists.ozlabs.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=openbmc@lists.ozlabs.org \
    --cc=robh+dt@kernel.org \
    --cc=taoren@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox