From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AADDB79C0 for ; Wed, 30 Nov 2022 18:33:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32648C433D6; Wed, 30 Nov 2022 18:33:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669833229; bh=x7MgMSBYsh7ZsW8NjRE23dg4v8oznSggoiJ1A8oIq7M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qK5977oJ1FJVWgLPABplnI9OUKlWCouo4DiteWXmqypPoGc0LflRL5iiSLZr2J/nh 7ZBhnHVkJZMws6B8jt6y9Za/m5XOV45l+cyRV2i169fjmgxIY6pZdvOTlH8Iihg8Up sZiGY80mR4ca3KzZYoLdqjc6ukyqi4fPEFMwdA1g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Emil Renner Berthing , Conor Dooley , Palmer Dabbelt , Sasha Levin Subject: [PATCH 5.15 033/206] riscv: dts: sifive unleashed: Add PWM controlled LEDs Date: Wed, 30 Nov 2022 19:21:25 +0100 Message-Id: <20221130180533.833711872@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221130180532.974348590@linuxfoundation.org> References: <20221130180532.974348590@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Emil Renner Berthing [ Upstream commit 8bc8824d30193eb7755043d5bb65fa7f0d11a595 ] This adds the 4 PWM controlled green LEDs to the HiFive Unleashed device tree. The schematic doesn't specify any special function for the LEDs, so they're added here without any default triggers and named d1, d2, d3 and d4 just like in the schematic. Signed-off-by: Emil Renner Berthing Reviewed-by: Conor Dooley Tested-by: Conor Dooley Link: https://lore.kernel.org/r/20221012110928.352910-1-emil.renner.berthing@canonical.com Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- .../boot/dts/sifive/hifive-unleashed-a00.dts | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts index 22f971e97161..2f4d677c9c4f 100644 --- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts @@ -3,6 +3,8 @@ #include "fu540-c000.dtsi" #include +#include +#include /* Clock frequency (in Hz) of the PCB crystal for rtcclk */ #define RTCCLK_FREQ 1000000 @@ -46,6 +48,42 @@ gpio-restart { compatible = "gpio-restart"; gpios = <&gpio 10 GPIO_ACTIVE_LOW>; }; + + led-controller { + compatible = "pwm-leds"; + + led-d1 { + pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + max-brightness = <255>; + label = "d1"; + }; + + led-d2 { + pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + max-brightness = <255>; + label = "d2"; + }; + + led-d3 { + pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + max-brightness = <255>; + label = "d3"; + }; + + led-d4 { + pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + max-brightness = <255>; + label = "d4"; + }; + }; }; &uart0 { -- 2.35.1