[PATCH 1/4] arm64: dts: imx95-19x19-evk: add adc0 flexcan[1,2] i2c[2,3] uart5 spi3 and tpm3

[PATCH 1/4] arm64: dts: imx95-19x19-evk: add adc0 flexcan[1,2] i2c[2,3] uart5 spi3 and tpm3

[Frank Li]

Add adc0 flexcan[1,2] i2c[2,3] uart5 spi3 tpm3 netc_timer and related phys
regulators pinmux and related child nodes.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 .../boot/dts/freescale/imx95-19x19-evk.dts    | 168 ++++++++++++++++++
 1 file changed, 168 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 6886ea7666550..45015325fd47e 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -77,6 +77,29 @@ linux_cma: linux,cma {
 		};
 	};
 
+	flexcan1_phy: can-phy0 {
+		compatible = "nxp,tjr1443";
+		#phy-cells = <0>;
+		max-bitrate = <1000000>;
+		enable-gpios = <&i2c6_pcal6416 6 GPIO_ACTIVE_HIGH>;
+		standby-gpios = <&i2c6_pcal6416 5 GPIO_ACTIVE_HIGH>;
+	};
+
+	flexcan2_phy: can-phy1 {
+		compatible = "nxp,tjr1443";
+		#phy-cells = <0>;
+		max-bitrate = <1000000>;
+		enable-gpios = <&i2c6_pcal6416 4 GPIO_ACTIVE_HIGH>;
+		standby-gpios = <&i2c6_pcal6416 3 GPIO_ACTIVE_HIGH>;
+	};
+
+	reg_vref_1v8: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <1800000>;
+		regulator-name = "+V1.8_SW";
+	};
+
 	reg_3p3v: regulator-3p3v {
 		compatible = "regulator-fixed";
 		regulator-max-microvolt = <3300000>;
@@ -204,6 +227,11 @@ sound-wm8962 {
 	};
 };
 
+&adc1 {
+	vref-supply = <&reg_vref_1v8>;
+	status = "okay";
+};
+
 &enetc_port0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enetc0>;
@@ -212,6 +240,20 @@ &enetc_port0 {
 	status = "okay";
 };
 
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	phys = <&flexcan1_phy>;
+	status = "disabled";
+};
+
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	phys = <&flexcan2_phy>;
+	status = "okay";
+};
+
 &flexspi1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexspi1>;
@@ -231,6 +273,38 @@ flash@0 {
 	};
 };
 
+&lpi2c2 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c2>;
+	status = "okay";
+
+	adp5585: io-expander@34 {
+		compatible = "adi,adp5585-00", "adi,adp5585";
+		reg = <0x34>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-reserved-ranges = <5 1>;
+		#pwm-cells = <3>;
+	};
+};
+
+&lpi2c3 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	status = "okay";
+
+	i2c3_gpio_expander_20: gpio@20 {
+		compatible = "nxp,pcal6408";
+		#gpio-cells = <2>;
+		gpio-controller;
+		reg = <0x20>;
+		vcc-supply = <&reg_3p3v>;
+	};
+};
+
+
 &lpi2c4 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
@@ -378,6 +452,31 @@ &lpuart1 {
 	status = "okay";
 };
 
+&lpuart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5>;
+	status = "disabled";
+
+	bluetooth {
+		compatible = "nxp,88w8987-bt";
+	};
+};
+
+&lpspi7 {
+	num-cs = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpspi7>;
+	cs-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
+	status = "okay";
+
+	spidev0: spi@0 {
+		reg = <0>;
+		compatible = "lwn,bk4-spi";
+		spi-max-frequency = <1000000>;
+	};
+};
+
+
 &micfil {
 	#sound-dai-cells = <0>;
 	pinctrl-names = "default";
@@ -418,6 +517,10 @@ ethphy0: ethernet-phy@1 {
 	};
 };
 
+&netc_timer {
+	status = "okay";
+};
+
 &pcie0 {
 	pinctrl-0 = <&pinctrl_pcie0>;
 	pinctrl-names = "default";
@@ -484,6 +587,12 @@ &sai3 {
 	status = "okay";
 };
 
+&tpm3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_tpm3>;
+	status = "okay";
+};
+
 &usb2 {
 	dr_mode = "host";
 	disable-over-current;
@@ -588,6 +697,20 @@ IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3		0x57e
 		>;
 	};
 
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			IMX95_PAD_PDM_CLK__AONMIX_TOP_CAN1_TX			0x39e
+			IMX95_PAD_PDM_BIT_STREAM0__AONMIX_TOP_CAN1_RX		0x39e
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO25__CAN2_TX				0x39e
+			IMX95_PAD_GPIO_IO27__CAN2_RX				0x39e
+		>;
+	};
+
 	pinctrl_flexspi1: flexspi1grp {
 		fsl,pins = <
 			IMX95_PAD_XSPI1_SS0_B__FLEXSPI1_A_SS0_B			0x3fe
@@ -628,6 +751,27 @@ IMX95_PAD_GPIO_IO36__GPIO5_IO_BIT16			0x31e
 		>;
 	};
 
+	pinctrl_lpi2c1: lpi2c1grp {
+		fsl,pins = <
+			IMX95_PAD_I2C1_SCL__AONMIX_TOP_LPI2C1_SCL		0x40000b9e
+			IMX95_PAD_I2C1_SDA__AONMIX_TOP_LPI2C1_SDA		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c2: lpi2c2grp {
+		fsl,pins = <
+			IMX95_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL		0x40000b9e
+			IMX95_PAD_I2C2_SDA__AONMIX_TOP_LPI2C2_SDA		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO00__LPI2C3_SDA				0x40000b9e
+			IMX95_PAD_GPIO_IO01__LPI2C3_SCL				0x40000b9e
+		>;
+	};
+
 	pinctrl_lpi2c4: lpi2c4grp {
 		fsl,pins = <
 			IMX95_PAD_GPIO_IO30__LPI2C4_SDA			0x40000b9e
@@ -656,6 +800,15 @@ IMX95_PAD_GPIO_IO09__LPI2C7_SCL			0x40000b9e
 		>;
 	};
 
+	pinctrl_lpspi7: lpspi7grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO04__GPIO2_IO_BIT4		0x3fe
+			IMX95_PAD_GPIO_IO05__LPSPI7_SIN			0x3fe
+			IMX95_PAD_GPIO_IO06__LPSPI7_SOUT		0x3fe
+			IMX95_PAD_GPIO_IO07__LPSPI7_SCK			0x3fe
+		>;
+	};
+
 	pinctrl_pcie0: pcie0grp {
 		fsl,pins = <
 			IMX95_PAD_GPIO_IO32__HSIOMIX_TOP_PCIE1_CLKREQ_B		0x4000031e
@@ -716,6 +869,12 @@ IMX95_PAD_GPIO_IO21__SAI3_TX_DATA_BIT0			0x31e
 		>;
 	};
 
+	pinctrl_tpm3: tpm3grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO12__TPM3_CH2			0x51e
+		>;
+	};
+
 	pinctrl_tpm6: tpm6grp {
 		fsl,pins = <
 			IMX95_PAD_GPIO_IO19__TPM6_CH2			0x51e
@@ -729,6 +888,15 @@ IMX95_PAD_UART1_TXD__AONMIX_TOP_LPUART1_TX      0x31e
 		>;
 	};
 
+	pinctrl_uart5: uart5grp {
+		fsl,pins = <
+			IMX95_PAD_DAP_TDO_TRACESWO__LPUART5_TX		0x31e
+			IMX95_PAD_DAP_TDI__LPUART5_RX			0x31e
+			IMX95_PAD_DAP_TMS_SWDIO__LPUART5_RTS_B		0x31e
+			IMX95_PAD_DAP_TCLK_SWCLK__LPUART5_CTS_B		0x31e
+		>;
+	};
+
 	pinctrl_usdhc1: usdhc1grp {
 		fsl,pins = <
 			IMX95_PAD_SD1_CLK__USDHC1_CLK			0x158e
-- 
2.34.1

[PATCH 2/4] arm64: dts: imx95-evk: add USB3 PHY tuning properties

[Frank Li]

From: Xu Yang <xu.yang_2@nxp.com>

Add USB3 PHY tuning properties for imx95-15x15-evk and imx95-19x19-evk
boards according to signal measurement results.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 3 +++
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 6c47f4b47356a..e54f3b982127a 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -1070,7 +1070,10 @@ usb3_data_hs: endpoint {
 
 &usb3_phy {
 	orientation-switch;
+	fsl,phy-pcs-tx-deemph-3p5db-attenuation-db = <17>;
+	fsl,phy-pcs-tx-swing-full-percent = <100>;
 	fsl,phy-tx-preemp-amp-tune-microamp = <600>;
+	fsl,phy-tx-vboost-level-microvolt = <1156>;
 	status = "okay";
 
 	port {
diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 45015325fd47e..cf693c86fd454 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -623,7 +623,10 @@ usb3_data_hs: endpoint {
 };
 
 &usb3_phy {
+	fsl,phy-pcs-tx-deemph-3p5db-attenuation-db = <17>;
+	fsl,phy-pcs-tx-swing-full-percent = <100>;
 	fsl,phy-tx-preemp-amp-tune-microamp = <600>;
+	fsl,phy-tx-vboost-level-microvolt = <1156>;
 	orientation-switch;
 	status = "okay";
 
-- 
2.34.1

[PATCH 3/4] arm64: dts: imx95-19x19-evk: adjust pinctrl settings for usdhc2

[Frank Li]

From: Luke Wang <ziniu.wang_1@nxp.com>

The driver strength is too high for SDR104 mode. Change the driver strength
to x3 according to hardware recommendation.

Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index cf693c86fd454..7fd2b12cacf40 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -992,12 +992,12 @@ IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
 
 	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
 		fsl,pins = <
-			IMX95_PAD_SD2_CLK__USDHC2_CLK			0x15fe
-			IMX95_PAD_SD2_CMD__USDHC2_CMD			0x13fe
-			IMX95_PAD_SD2_DATA0__USDHC2_DATA0		0x13fe
-			IMX95_PAD_SD2_DATA1__USDHC2_DATA1		0x13fe
-			IMX95_PAD_SD2_DATA2__USDHC2_DATA2		0x13fe
-			IMX95_PAD_SD2_DATA3__USDHC2_DATA3		0x13fe
+			IMX95_PAD_SD2_CLK__USDHC2_CLK			0x158e
+			IMX95_PAD_SD2_CMD__USDHC2_CMD			0x138e
+			IMX95_PAD_SD2_DATA0__USDHC2_DATA0		0x138e
+			IMX95_PAD_SD2_DATA1__USDHC2_DATA1		0x138e
+			IMX95_PAD_SD2_DATA2__USDHC2_DATA2		0x138e
+			IMX95_PAD_SD2_DATA3__USDHC2_DATA3		0x138e
 			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
 		>;
 	};
-- 
2.34.1

[PATCH 4/4] arm64: dts: imx95-19x19-evk: add GPIO reset for ethphy0

[Frank Li]

From: Wei Fang <wei.fang@nxp.com>

Add GPIO reset for ethphy0.

Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 7fd2b12cacf40..168b12f9ceb1a 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -513,6 +513,9 @@ &netc_emdio {
 
 	ethphy0: ethernet-phy@1 {
 		reg = <1>;
+		reset-gpios = <&i2c5_pcal6408 2 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10000>;
+		reset-deassert-us = <80000>;
 		realtek,clkout-disable;
 	};
 };
-- 
2.34.1

Re: [PATCH 1/4] arm64: dts: imx95-19x19-evk: add adc0 flexcan[1,2] i2c[2,3] uart5 spi3 and tpm3

[Fabio Estevam]

On Wed, Jun 4, 2025 at 5:03 PM Frank Li <Frank.Li@nxp.com> wrote:

> +       spidev0: spi@0 {
> +               reg = <0>;
> +               compatible = "lwn,bk4-spi";

This is wrong.

I'm pretty sure there is no "Liebherr's BK4 external SPI controller"
on this board.

Re: [PATCH 1/4] arm64: dts: imx95-19x19-evk: add adc0 flexcan[1,2] i2c[2,3] uart5 spi3 and tpm3

[Krzysztof Kozlowski]

On 04/06/2025 22:02, Frank Li wrote:
> +	num-cs = <1>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpspi7>;
> +	cs-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +
> +	spidev0: spi@0 {
> +		reg = <0>;
> +		compatible = "lwn,bk4-spi";

NAK

You do not have big excavator attached to your eval kit. Don't add fake,
non-existing or incorrect nodes.


Best regards,
Krzysztof