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Thu, 02 Jul 2026 14:48:04 -0700 (PDT) Received: from zenbox ([2600:1700:18fb:6011:169a:36bf:d0a4:1d7c]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-66624021a75sm1631772d50.11.2026.07.02.14.48.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 14:48:04 -0700 (PDT) From: Justin Suess To: Sean Young , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Ripard Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Sashiko , Justin Suess Subject: [PATCH 3/4] arm64: dts: allwinner: a523: add IR receiver node Date: Thu, 2 Jul 2026 17:47:49 -0400 Message-ID: <20260702214750.3428694-4-utilityemal77@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260702214750.3428694-1-utilityemal77@gmail.com> References: <20260702214750.3428694-1-utilityemal77@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260702_144806_347095_D0A03E7C X-CRM114-Status: GOOD ( 12.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The A523 has a CIR receiver in the RTC power domain, clocked from the R-CCU, with its RX signal available on PL11. Clock the module directly from the 24 MHz host oscillator; the driver selects a /256 sample divider on this SoC, giving a sample period close to the legacy 8 MHz / 64 configuration of older SoCs. Keep the node disabled by default; boards with an IR receiver can enable it. Signed-off-by: Justin Suess --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index ca6a16807049..5e46c4b1ee61 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -927,6 +927,25 @@ r_i2c_pins: r-i2c-pins { allwinner,pinmux = <2>; function = "r_i2c0"; }; + + r_ir_rx_pin: r-ir-rx-pin { + pins = "PL11"; + allwinner,pinmux = <2>; + function = "s_cir"; + }; + }; + + r_ir: ir@7040000 { + compatible = "allwinner,sun55i-a523-ir"; + reg = <0x07040000 0x400>; + interrupts = ; + clocks = <&r_ccu CLK_BUS_R_IR_RX>, <&r_ccu CLK_R_IR_RX>; + clock-names = "apb", "ir"; + clock-frequency = <24000000>; + resets = <&r_ccu RST_BUS_R_IR_RX>; + pinctrl-names = "default"; + pinctrl-0 = <&r_ir_rx_pin>; + status = "disabled"; }; pck600: power-controller@7060000 { -- 2.54.0