From: Shengjiu Wang <shengjiu.wang@nxp.com>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com,
carlos.song@nxp.com
Subject: [PATCH v2 2/6] arm64: dts: imx943-evk: add lpi2c support
Date: Wed, 28 May 2025 09:58:33 +0800 [thread overview]
Message-ID: <20250528015837.488376-3-shengjiu.wang@nxp.com> (raw)
In-Reply-To: <20250528015837.488376-1-shengjiu.wang@nxp.com>
From: Carlos Song <carlos.song@nxp.com>
Add lpi2c and i2c-mux support for imx943 evk board.
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
arch/arm64/boot/dts/freescale/imx943-evk.dts | 132 +++++++++++++++++++
1 file changed, 132 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
index cc8f3e6a1789..a566b9d8b813 100644
--- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
@@ -12,6 +12,9 @@ / {
model = "NXP i.MX943 EVK board";
aliases {
+ i2c2 = &lpi2c3;
+ i2c3 = &lpi2c4;
+ i2c5 = &lpi2c6;
mmc0 = &usdhc1;
mmc1 = &usdhc2;
serial0 = &lpuart1;
@@ -53,6 +56,113 @@ memory@80000000 {
};
};
+&lpi2c3 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c3>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ pca9548_i2c3: i2c-mux@77 {
+ compatible = "nxp,pca9548";
+ reg = <0x77>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&lpi2c4 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c4>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&lpi2c6 {
+ clock-frequency = <400000>;
+ pinctrl-0 = <&pinctrl_lpi2c6>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ pca9544_i2c6: i2c-mux@77 {
+ compatible = "nxp,pca9544";
+ reg = <0x77>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
&lpuart1 {
pinctrl-0 = <&pinctrl_uart1>;
pinctrl-names = "default";
@@ -60,6 +170,28 @@ &lpuart1 {
};
&scmi_iomuxc {
+
+ pinctrl_lpi2c3: lpi2c3grp {
+ fsl,pins = <
+ IMX94_PAD_GPIO_IO16__LPI2C3_SDA 0x40000b9e
+ IMX94_PAD_GPIO_IO17__LPI2C3_SCL 0x40000b9e
+ >;
+ };
+
+ pinctrl_lpi2c4: lpi2c4grp {
+ fsl,pins = <
+ IMX94_PAD_GPIO_IO18__LPI2C4_SDA 0x40000b9e
+ IMX94_PAD_GPIO_IO19__LPI2C4_SCL 0x40000b9e
+ >;
+ };
+
+ pinctrl_lpi2c6: lpi2c6grp {
+ fsl,pins = <
+ IMX94_PAD_GPIO_IO29__LPI2C6_SDA 0x40000b9e
+ IMX94_PAD_GPIO_IO28__LPI2C6_SCL 0x40000b9e
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
IMX94_PAD_UART1_TXD__LPUART1_TX 0x31e
--
2.34.1
next prev parent reply other threads:[~2025-05-28 2:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-28 1:58 [PATCH v2 0/6] arm64: dts: imx943: Add sound card support Shengjiu Wang
2025-05-28 1:58 ` [PATCH v2 1/6] arm64: dts: imx94: Add micfil and mqs device nodes Shengjiu Wang
2025-05-28 15:11 ` Frank Li
2025-05-28 1:58 ` Shengjiu Wang [this message]
2025-05-28 1:58 ` [PATCH v2 3/6] arm64: dts: imx943-evk: add i2c io expander support Shengjiu Wang
2025-05-28 1:58 ` [PATCH v2 4/6] arm64: dts: imx943-evk: add sound-wm8962 support Shengjiu Wang
2025-05-28 8:37 ` Marco Felsch
2025-05-30 2:21 ` Shengjiu Wang
2025-05-30 8:29 ` Marco Felsch
2025-05-28 1:58 ` [PATCH v2 5/6] arm64: dts: imx943-evk: add bt-sco sound card support Shengjiu Wang
2025-05-28 1:58 ` [PATCH v2 6/6] arm64: dts: imx943-evk: Add PDM microphone " Shengjiu Wang
2025-06-30 3:30 ` [PATCH v2 0/6] arm64: dts: imx943: Add " Shawn Guo
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