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Sun, 06 Jun 2021 23:54:45 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, tobetter@gmail.com, Neil Armstrong Subject: [PATCH v2 2/7] arm64: dts: meson-sm1-odroid: set tf_io regulator gpio as open source Date: Mon, 7 Jun 2021 08:54:30 +0200 Message-Id: <20210607065435.577334-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210607065435.577334-1-narmstrong@baylibre.com> References: <20210607065435.577334-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=986; h=from:subject; bh=9RLJIF8542k5weQ8o009+F4gMN3x44LN7xQPDqGEmsI=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBgvcJAXfvdglKywKTI3zwqpiZBdnc9f53ieiHONJqJ /T7QyESJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCYL3CQAAKCRB33NvayMhJ0fuhEA DH5yC5rmFUKnbMibJEA89uOMJVjNIKJbMkhgeQb3A9FLzpA89+FkDZMtJFMNU3ahtxQ4R9cA01evu8 aRoEf7R69nXafiZPEvVfOGrf4gCU+suKtb16/OWdDk1epugGSh3raj9eLz0ZLTvp1qP7GxvQHXK6eU wJdr05M+5S3k67QOkurhB9qlrwH7y65K1u4K3OF7vjVNkw3AvKuCh5NXVE6nYeqvfLgtO9OvCFwbeK mJrjCj5fnCj1gevTH3DqU/94OBmh5CBSNaUl1pnwgA0lgdYXjYqyePAIoUDQ/4K1vd0f7tCXk5hFwg ohVHt10mzanN60rPgvrDsNTL9jBvZJPxsmp4PRN15TKlF++K8/ijW4mMFpWHR/XM4QQe7JlT8F95cs lX7n/khxFQxaquW7Uxn4ZRibsiRvq6RV0mNCf6lnLzOC9zRszE3bCefodUFUJayu7abrUfwPJ3n8+f kRmgFTUiy6yWAB0DBiFJ8tShhHwos8lWqv5jewzQ9YBEwSynEgveuQLUGJfosiBM04mwGpR8inWcTV PivNB6hpkwOuL3G0vyCYoo6AGjv74RMEc+GWk/ZCh4RCtds2AM3k9HDisY0NGU1ZQX0/VDHBBvnzVu iZ29NaEh3l0yZfetc290mdux0TLUaT7Ff6IkVCuqZ/1+n6AcP7vbTI0jzDbw== X-Developer-Key: i=narmstrong@baylibre.com; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210606_235547_542744_A3AAA7E0 X-CRM114-Status: GOOD ( 12.78 ) 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 According to Odroid-C4 & HC4 Schematics, the TF_3V3N_1V8_EN can be in Hi-Z for 3v3, and since it's the default GPIOAO_6 mode at reset, let switch this GPIO as Open-Source to drive for 1, and input for 0. Signed-off-by: Neil Armstrong Acked-by: Martin Blumenstingl --- arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi index af40ba461074..e64359163331 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi @@ -52,7 +52,7 @@ tf_io: gpio-regulator-tf_io { enable-active-high; regulator-always-on; - gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>; + gpios = <&gpio_ao GPIOAO_6 GPIO_OPEN_SOURCE>; gpios-states = <0>; states = <3300000 0>,