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[210.61.187.174]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b15f8597e0bsm8550119a12.44.2025.04.29.01.51.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Apr 2025 01:51:57 -0700 (PDT) From: Guodong Xu To: ukleinek@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, dlan@gentoo.org, p.zabel@pengutronix.de, drew@pdp7.com, inochiama@gmail.com, geert+renesas@glider.be, heylenay@4d2.org, tglx@linutronix.de, hal.feng@starfivetech.com, unicorn_wang@outlook.com, duje.mihanovic@skole.hr, heikki.krogerus@linux.intel.com Cc: elder@riscstar.com, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, guodong@riscstar.com Subject: [PATCH v3 4/6] riscv: dts: spacemit: add pwm14_1 pinctrl setting Date: Tue, 29 Apr 2025 16:50:46 +0800 Message-ID: <20250429085048.1310409-5-guodong@riscstar.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250429085048.1310409-1-guodong@riscstar.com> References: <20250429085048.1310409-1-guodong@riscstar.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250429_015159_229948_C20C69D1 X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This patch adds the option 1 (hence the name pwm14_1) pinctrl configuration for PWM14 on the SpacemiT K1 SoC. PWM14 option 1 is used for PWM-based backlight control on MIPI displays. This configuration is present on all existing K1 development boards, such as the Banana Pi BPI-F3 and the Milk-V Jupiter. For reference, a more complete list of PWM0-PWM19 pinctrl configurations including all options can be found in [1]. Note: Since the corresponding functionality for other pins is not yet in use or ready for upstreaming, this patch includes only the pwm14_1 setting. [1] https://lore.kernel.org/all/20250411131423.3802611-7-guodong@riscstar.com/ Signed-off-by: Guodong Xu --- v3: No change v2: Discard pwm0-pwm19 pinctrl configurations, and adds only pwm14_1_cfg arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi index 283663647a86..195eb8874f3c 100644 --- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi @@ -20,4 +20,11 @@ uart0-2-pins { drive-strength = <32>; }; }; + pwm14_1_cfg: pwm14-1-cfg { + pwm14-1-pins { + pinmux = ; + bias-pull-up = <0>; + drive-strength = <32>; + }; + }; }; -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv