From mboxrd@z Thu Jan 1 00:00:00 1970 From: rentao.bupt@gmail.com Date: Thu, 23 Jul 2020 16:05:39 -0700 Subject: [PATCH v2 3/3] ARM: dts: aspeed: wedge40: enable pwm_tacho device In-Reply-To: <20200723230539.17860-1-rentao.bupt@gmail.com> References: <20200723230539.17860-1-rentao.bupt@gmail.com> Message-ID: <20200723230539.17860-4-rentao.bupt@gmail.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Tao Ren Enable pwm_tacho device for fan control and monitoring in Wedge40. Signed-off-by: Tao Ren --- 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 at 0 { + reg = <0x00>; + aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>; + }; + + fan at 1 { + reg = <0x01>; + aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>; + }; + + fan at 6 { + reg = <0x06>; + aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>; + }; + + fan at 7 { + reg = <0x07>; + aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>; + }; +}; -- 2.17.1