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Mon, 19 Oct 2026 03:41:09 +0200 (CEST) From: E Shattow To: u-boot@lists.u-boot-project.org, Sumit Garg , Yixun Lan , Tom Rini Cc: Aurelien Jarno Subject: [PATCH 1/4] riscv: dts: spacemit: enable the i2c2 adapter on K3 Pico-ITX board Date: Sun, 18 Oct 2026 18:40:18 -0700 Message-ID: <20261019014044.698294-2-e@freeshell.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261019014044.698294-1-e@freeshell.de> References: <20261019014044.698294-1-e@freeshell.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org From: Aurelien Jarno Define I2C2 pinctrl properties, and enable it on the K3 Pico-ITX board. It will be used by the 24c02 eeprom. Signed-off-by: Aurelien Jarno Reviewed-by: Yixun Lan Link: https://patch.msgid.link/20260623204431.498700-3-aurelien@aurel32.net Signed-off-by: Yixun Lan [ upstream commit: 48dd3d020528e05795dfa46308ba5b59a1835bba ] (cherry picked from commit 5b8d10184a9e7fb8b31d279e09e3673b8d69f690) --- dts/upstream/src/riscv/spacemit/k3-pico-itx.dts | 6 ++++++ dts/upstream/src/riscv/spacemit/k3-pinctrl.dtsi | 11 +++++++++++ 2 files changed, 17 insertions(+) diff --git a/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts b/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts index b89c1521e664..dde6028a5ef3 100644 --- a/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts +++ b/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts @@ -43,6 +43,12 @@ }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_1_cfg>; + status = "okay"; +}; + &i2c8 { pinctrl-names = "default"; pinctrl-0 = <&i2c8_cfg>; diff --git a/dts/upstream/src/riscv/spacemit/k3-pinctrl.dtsi b/dts/upstream/src/riscv/spacemit/k3-pinctrl.dtsi index 3ee1471f3798..50dc124c097f 100644 --- a/dts/upstream/src/riscv/spacemit/k3-pinctrl.dtsi +++ b/dts/upstream/src/riscv/spacemit/k3-pinctrl.dtsi @@ -78,6 +78,17 @@ }; }; + /omit-if-no-ref/ + i2c2_1_cfg: i2c2-1-cfg { + i2c2-1-pins { + pinmux = , /* i2c2 scl */ + ; /* i2c2 sda */ + + bias-pull-up = <0>; + drive-strength = <25>; + }; + }; + /omit-if-no-ref/ i2c8_cfg: i2c8-cfg { i2c8-pins { -- 2.53.0