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[2a01:c23:bc57:1c00::e63]) by smtp.googlemail.com with ESMTPSA id c14-20020a509f8e000000b005003fd12eafsm6474959edf.63.2023.03.21.10.12.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Mar 2023 10:12:40 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, neil.armstrong@linaro.org, Martin Blumenstingl Subject: [PATCH v1 1/3] ARM: dts: meson8: add the xtal_32k_out pin Date: Tue, 21 Mar 2023 18:12:11 +0100 Message-Id: <20230321171213.2808460-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230321171213.2808460-1-martin.blumenstingl@googlemail.com> References: <20230321171213.2808460-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230321_101247_750870_441547F4 X-CRM114-Status: GOOD ( 11.01 ) 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 GPIOX_10 can generate a 32768Hz signal when enabling the "xtal_32k_out" group with the xtal function. This is typically used as LPO clock for the SDIO wifi chips. Signed-off-by: Martin Blumenstingl Reviewed-by: Neil Armstrong --- arch/arm/boot/dts/meson8.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi index 21eb59041a7d..4d18bb4e3c33 100644 --- a/arch/arm/boot/dts/meson8.dtsi +++ b/arch/arm/boot/dts/meson8.dtsi @@ -568,6 +568,14 @@ mux { bias-disable; }; }; + + xtal_32k_out_pins: xtal-32k-out { + mux { + groups = "xtal_32k_out"; + function = "xtal"; + bias-disable; + }; + }; }; };