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[80.71.140.73]) by smtp.gmail.com with ESMTPSA id r15-20020a0560001b8f00b0021d74906683sm2517667wru.28.2022.07.05.14.01.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Jul 2022 14:01:50 -0700 (PDT) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org Cc: Pavel Machek , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Vincent Pelletier , Bin Meng , Aurelien Jarno , Ron Economos , Qiu Wenbo , Geert Uytterhoeven , Stephen L Arnold , Jianlong Huang , Mark Kettenis , Sven Schwermer , Andy Shevchenko , David Abdurachmanov , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v1 4/4] riscv: dts: sifive unmatched: Add PWM controlled LEDs Date: Tue, 5 Jul 2022 23:01:43 +0200 Message-Id: <20220705210143.315151-5-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220705210143.315151-1-emil.renner.berthing@canonical.com> References: <20220705210143.315151-1-emil.renner.berthing@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds the two PWM controlled LEDs to the HiFive Unmatched device tree. D12 is just a regular green diode, but D2 is an RGB diode with 3 PWM inputs controlling the three different colours. Signed-off-by: Emil Renner Berthing --- .../boot/dts/sifive/hifive-unmatched-a00.dts | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts index c4ed9efdff03..beaefe74755a 100644 --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts @@ -4,6 +4,8 @@ #include "fu740-c000.dtsi" #include #include +#include +#include /* Clock frequency (in Hz) of the PCB crystal for rtcclk */ #define RTCCLK_FREQ 1000000 @@ -44,6 +46,46 @@ gpio-poweroff { compatible = "gpio-poweroff"; gpios = <&gpio 2 GPIO_ACTIVE_LOW>; }; + + led-controller-1 { + compatible = "pwm-leds"; + + led-d12 { + pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + max-brightness = <255>; + label = "d12"; + }; + }; + + led-controller-2 { + compatible = "pwm-leds-multicolor"; + + multi-led { + color = ; + max-brightness = <255>; + label = "d2"; + + led-red { + pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + }; + + led-green { + pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + }; + + led-blue { + pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = ; + }; + }; + }; }; &uart0 { -- 2.37.0