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Thu, 5 Nov 2026 03:41:33 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:15 +0800 Subject: [PATCH v2 1/8] dt-bindings: arm: fsl: Add BSH SMM-M2B board X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-1-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1008; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=2VBI52WSa0j57vCZIO+pXkJJoxv8Lw3OMFYgT/cSDCo=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7lxJ2zHmuUx8VpGRUEKL/jaTs7fle3EsCq7616CV 2tryrHNHaUsDGJcDLJiiiyqCd5nJa8GmE6bWQ03h5UJZAgDF6cATMTenJFh3mqrPkE/W2Uu27fq adc+rM/p1nBaU96wVEY8fO0G1RvRjAwf/67Ywa0yw3zr1kWvzT6Wmt+6ut/3Ub5c2e/KR/q91jx sAA== X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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The SMM-M2B is a variant of the BSH SMM-M2 SystemMaster equipped with an AIC Wi-Fi and Bluetooth chip. Signed-off-by: Haoning Cheng --- Documentation/devicetree/bindings/arm/fsl.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation= /devicetree/bindings/arm/fsl.yaml index f044e9aa04fa..9c86900dec4c 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -867,6 +867,7 @@ properties: items: - enum: - bsh,imx6ulz-bsh-smm-m2 # i.MX6 ULZ BSH SystemMaster + - bsh,imx6ulz-bsh-smm-m2b # i.MX6 ULZ BSH SystemMaster - fsl,imx6ulz-14x14-evk # i.MX6 ULZ 14x14 EVK Board - const: fsl,imx6ull # This seems odd. 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Thu, 5 Nov 2026 03:41:37 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:16 +0800 Subject: [PATCH v2 2/8] dts: imx: Use minimum NAND ECC strength on BSH boards X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-2-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Michael Trimarchi X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1310; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=0ihmRnmTOHFsqdOKT49ZxDiS9tkt8/vKUkVB5qVqZjQ=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7mR3TxV78K5WwHf40I2/Yy+uoRNJOG26+TswN+Xn dJnef6X7ShlYRDjYpAVU2RRTfA+K3k1wHTazGq4OaxMIEMYuDgFYCKlAgx/eHl3ObAeYly5USOt 6qaqwNHJeuLLcjSkG1cfCjwh0b44heF/MFPypNq9+1WN2bTEZ6xjcM2qVJt88bWV25yV/C9nML9 nBQA= X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Signed-off-by: Michael Trimarchi Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 1 + arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/bo= ot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts index 2d9f495660c9..aac211a9f9eb 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts @@ -26,6 +26,7 @@ &gpmi { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpmi_nand>; nand-on-flash-bbt; + fsl,use-minimum-ecc; status =3D "okay"; }; =20 diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts b/arch/arm= 64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts index 11a1ba5bfdb7..df11f81ac50c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts @@ -21,6 +21,7 @@ memory@40000000 { &gpmi { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpmi_nand>; 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Thu, 5 Nov 2026 03:41:41 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:17 +0800 Subject: [PATCH v2 3/8] ARM: dts: imx6ulz: Adjust BSH SMM-M2 Wi-Fi and Bluetooth pin settings X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-3-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Leonhard Hesse X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1766; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=hcoZm4hzuriy1HfSBWIr7Yv3R6zsqUgG6amV6/r5gVo=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7lRzrhDT/+aVHKSuKHRGakVLFfayq4sLjn33fw0h 49o29dvHaUsDGJcDLJiiiyqCd5nJa8GmE6bWQ03h5UJZAgDF6cATOQmJyPDOYcj+qppSbHyu/e3 qMWJPt4642vTkm8Vdy7v2Sbk3Dadi+GfxffNOU3nfjAUc35gPsRdkHehQ9jPvf9xz8uq/AX7p5n zAQA= X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Tests have shown that minor changes in drive strength, slew rate and speed resulted in the best performance. Signed-off-by: Leonhard Hesse Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/bo= ot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts index aac211a9f9eb..dabe17222f13 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts @@ -125,7 +125,7 @@ MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1 MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b099 MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1 MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b099 - MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0x79 /* BT_REG_ON */ + MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0x100b1 /* BT_REG_ON */ MX6UL_PAD_SD1_CLK__GPIO2_IO17 0x100b1 /* BT_DEV_WAKE out */ MX6UL_PAD_ENET2_TX_EN__GPIO2_IO13 0x1b0b0 /* BT_HOST_WAKE in */ >; @@ -146,7 +146,7 @@ MX6UL_PAD_CSI_DATA00__USDHC2_DATA0 0x17059 MX6UL_PAD_CSI_DATA01__USDHC2_DATA1 0x17059 MX6UL_PAD_CSI_DATA02__USDHC2_DATA2 0x17059 MX6UL_PAD_CSI_DATA03__USDHC2_DATA3 0x17059 - MX6UL_PAD_SD1_DATA3__GPIO2_IO21 0x79 /* WL_REG_ON */ + MX6UL_PAD_SD1_DATA3__GPIO2_IO21 0x3029 /* WL_REG_ON */ MX6UL_PAD_UART2_CTS_B__GPIO1_IO22 0x100b1 /* WL_DEV_WAKE - WiFi_GPIO_4= - WiFi FW UART */ MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b1 /* WL_HOST_WAKE - WIFI_GPIO_= 0 - OOB IRQ */ MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT 0x4001b031 /* OSC 32Khz wifi clk = in */ --=20 2.43.0 From nobody Thu Nov 5 05:12:51 2026 Authentication-Results: smtp.subspace.kernel.org; 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Thu, 5 Nov 2026 03:41:45 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:18 +0800 Subject: [PATCH v2 4/8] ARM: dts: imx6ulz: Fix BSH SMM-M2 WLAN host wake configuration X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-4-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , =?utf-8?q?Roman_Smr=C5=BE?= X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1475; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=aJi1IOKIt57IXF5Fkw4foY57jFIsqaX3yYJCPcTmnIk=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7lxfYLo0nP8zYUrb/2Y9KF8SvTeYte6qGep/3VsU zXET3537yhlYRDjYpAVU2RRTfA+K3k1wHTazGq4OaxMIEMYuDgFYCK3/jEy9P1YKbIz65C7h5Wa stShwHaPcp03OxXl1yffKKv5wbAil+G/E/enPL23gqyLleardRmn1Yv/NXibKFqXrmMSfu3Fiy4 uAA== X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jtZYBm8AB/hYVdsjqLB410k9U9yB0EhMX1aLlH/SO28nTpm8mzcn5ino1OGzRtBHnMLJ55lIzMmlNP12rUcmcK980sWHphiKY3/YQHDWxtZEZwqHU13qk6FqUx0jnu4bNDN57VhAewI7JrT6tysRY8+Jhgd7xTPvvcXkvxRr82TtY7GGl12Do53XoBNMGGag8LWuF3a2n40RsMZQJZ4mKzFIeAaCSBCQneoUctWim4sixkv5Hf0ZcuZ3v+aPGCACNMg1PAL1nWxOba8TBsNkPJ1E88lAorFcEgHESprbHpe9b6mmzxa7mb2F0aKWyrYBp2eUReRRIMrVK/Il0eDpB9Gorj5CrDL6s42RjOlXtFCx73rJNwKEoAdjYhgTVyL7pXOZ4KRyOAF0vD+ROPAt9F54vj4YgGAu+hGRlYZt2j/+SkMvMAb5H9kd/G79cdZz X-OriginatorOrg: cn.bosch.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Nov 2026 02:42:02.1247 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2081eea8-c48f-4186-8705-08df3ae65f18 X-MS-Exchange-CrossTenant-Id: 0ae51e19-07c8-4e4b-bb6d-648ee58410f4 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0ae51e19-07c8-4e4b-bb6d-648ee58410f4;Ip=[139.15.153.205];Helo=[eop.bosch-org.com] X-MS-Exchange-CrossTenant-AuthSource: WA1PEPF00009B3A.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR10MB6389 From: Roman Smr=C5=BE The pin is active when high, so pull-up configuration can trigger unwanted interrupts during module loading or unloading. Change the configuration to pull-down to avoid crashes there. Disable cap-sdio-irq as it is not used by the driver. Signed-off-by: Roman Smr=C5=BE Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/bo= ot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts index dabe17222f13..91c76909c086 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts @@ -81,7 +81,6 @@ &usdhc2 { non-removable; cap-power-off-card; keep-power-in-suspend; - cap-sdio-irq; mmc-pwrseq =3D <&usdhc2_pwrseq>; status =3D "okay"; =20 @@ -148,7 +147,7 @@ MX6UL_PAD_CSI_DATA02__USDHC2_DATA2 0x17059 MX6UL_PAD_CSI_DATA03__USDHC2_DATA3 0x17059 MX6UL_PAD_SD1_DATA3__GPIO2_IO21 0x3029 /* WL_REG_ON */ MX6UL_PAD_UART2_CTS_B__GPIO1_IO22 0x100b1 /* WL_DEV_WAKE - WiFi_GPIO_4= - WiFi FW UART */ - MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b1 /* WL_HOST_WAKE - WIFI_GPIO_= 0 - OOB IRQ */ + MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x130b1 /* WL_HOST_WAKE - WIFI_GPIO_= 0 - OOB IRQ */ MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT 0x4001b031 /* OSC 32Khz wifi clk = in */ >; 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Thu, 5 Nov 2026 03:41:49 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:19 +0800 Subject: [PATCH v2 5/8] ARM: dts: imx6ulz: Factor out BSH SMM-M2 common device tree X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-5-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Qiu Guochang X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=6649; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=z6faOTLoJb7dE87hm1QqKnI0Bs+XHQBfuRdp9QSTWBE=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7mx33jJypJv2n8y+F++fLpHcsmqU9rTdCfvm5Gvy 7U7bQrTxY5SFgYxLgZZMUUW1QTvs5JXA0ynzayGm8PKBDKEgYtTACbim8PI8EQ9qEU10Hbe54rr VcwpT5cuuVYjpfittmHPSosbkxdafmP4Kyzj+aXRLsLk7NVZ7RHrTkvtjj4j82C79jH3gueFD/Y f4gEA X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Update the existing SMM-M2 device tree to include the common file while keeping board-specific configurations separate. Signed-off-by: Qiu Guochang Signed-off-by: Haoning Cheng --- .../dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi | 80 +++++++++++++++++++ arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 93 ++++--------------= ---- 2 files changed, 95 insertions(+), 78 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi b/arc= h/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi new file mode 100644 index 000000000000..83df5c696748 --- /dev/null +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2021 BSH Hausgeraete GmbH + */ + +#include +#include "imx6ulz.dtsi" + +/ { + chosen { + stdout-path =3D &uart4; + }; +}; + +&gpmi { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_gpmi_nand>; + nand-on-flash-bbt; + fsl,use-minimum-ecc; + status =3D "okay"; +}; + +&snvs_poweroff { + status =3D "okay"; +}; + +&uart2 { + status =3D "okay"; +}; + +&uart4 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_uart4>; + status =3D "okay"; +}; + +&usbotg1 { + dr_mode =3D "peripheral"; + srp-disable; + hnp-disable; + adp-disable; + status =3D "okay"; +}; + +&usbphy1 { + fsl,tx-d-cal =3D <106>; +}; + +&wdog1 { + status =3D "okay"; +}; + +&iomuxc { + pinctrl_gpmi_nand: gpminandgrp { + fsl,pins =3D < + MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1 + MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1 + MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1 + MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000 + MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0xb0b1 + MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1 + MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1 + MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1 + MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1 + MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1 + MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1 + MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1 + MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1 + MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1 + MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1 + >; + }; + + pinctrl_uart4: uart4grp { + fsl,pins =3D < + MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1 + MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX 0x1b0b1 + >; + }; +}; diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/bo= ot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts index 91c76909c086..66ea70d93590 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts @@ -5,39 +5,18 @@ =20 /dts-v1/; =20 -#include -#include "imx6ulz.dtsi" +#include "imx6ulz-bsh-smm-m2-common.dtsi" =20 / { model =3D "BSH SMM M2"; compatible =3D "bsh,imx6ulz-bsh-smm-m2", "fsl,imx6ull", "fsl,imx6ulz"; =20 - chosen { - stdout-path =3D &uart4; - }; - usdhc2_pwrseq: usdhc2-pwrseq { compatible =3D "mmc-pwrseq-simple"; reset-gpios =3D <&gpio2 21 GPIO_ACTIVE_LOW>; }; }; =20 -&gpmi { - pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_gpmi_nand>; - nand-on-flash-bbt; - fsl,use-minimum-ecc; - status =3D "okay"; -}; - -&snvs_poweroff { - status =3D "okay"; -}; - -&uart2 { - status =3D "okay"; -}; - &uart3 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_uart3>; @@ -53,24 +32,6 @@ bluetooth { }; }; =20 -&uart4 { - pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_uart4>; - status =3D "okay"; -}; - -&usbotg1 { - dr_mode =3D "peripheral"; - srp-disable; - hnp-disable; - adp-disable; - status =3D "okay"; -}; - -&usbphy1 { - fsl,tx-d-cal =3D <106>; -}; - &usdhc2 { #address-cells =3D <1>; #size-cells =3D <0>; @@ -93,47 +54,19 @@ brcmf: wifi@1 { }; }; =20 -&wdog1 { - status =3D "okay"; -}; - &iomuxc { - pinctrl_gpmi_nand: gpminandgrp { - fsl,pins =3D < - MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1 - MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1 - MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1 - MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000 - MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0xb0b1 - MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1 - MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1 - MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1 - MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1 - MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1 - MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1 - MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1 - MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1 - MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1 - MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1 - >; - }; - pinctrl_uart3: uart3grp { fsl,pins =3D < MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1 MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b099 MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1 MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b099 - MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0x100b1 /* BT_REG_ON */ - MX6UL_PAD_SD1_CLK__GPIO2_IO17 0x100b1 /* BT_DEV_WAKE out */ - MX6UL_PAD_ENET2_TX_EN__GPIO2_IO13 0x1b0b0 /* BT_HOST_WAKE in */ - >; - }; - - pinctrl_uart4: uart4grp { - fsl,pins =3D < - MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1 - MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX 0x1b0b1 + /* BT_REG_ON */ + MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0x100b1 + /* BT_DEV_WAKE out */ + MX6UL_PAD_SD1_CLK__GPIO2_IO17 0x100b1 + /* BT_HOST_WAKE in */ + MX6UL_PAD_ENET2_TX_EN__GPIO2_IO13 0x1b0b0 >; }; =20 @@ -145,10 +78,14 @@ MX6UL_PAD_CSI_DATA00__USDHC2_DATA0 0x17059 MX6UL_PAD_CSI_DATA01__USDHC2_DATA1 0x17059 MX6UL_PAD_CSI_DATA02__USDHC2_DATA2 0x17059 MX6UL_PAD_CSI_DATA03__USDHC2_DATA3 0x17059 - MX6UL_PAD_SD1_DATA3__GPIO2_IO21 0x3029 /* WL_REG_ON */ - MX6UL_PAD_UART2_CTS_B__GPIO1_IO22 0x100b1 /* WL_DEV_WAKE - WiFi_GPIO_4= - WiFi FW UART */ - MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x130b1 /* WL_HOST_WAKE - WIFI_GPIO_= 0 - OOB IRQ */ - MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT 0x4001b031 /* OSC 32Khz wifi clk = in */ + /* WL_REG_ON */ + MX6UL_PAD_SD1_DATA3__GPIO2_IO21 0x3029 + /* WL_DEV_WAKE - WiFi_GPIO_4 - WiFi FW UART */ + MX6UL_PAD_UART2_CTS_B__GPIO1_IO22 0x100b1 + /* WL_HOST_WAKE - WIFI_GPIO_0 - OOB IRQ */ + MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x130b1 + /* OSC 32Khz wifi clk in */ + MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT 0x4001b031 >; 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Thu, 5 Nov 2026 03:41:53 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:20 +0800 Subject: [PATCH v2 6/8] ARM: dts: imx6ulz: Add BSH SMM-M2B board support X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-6-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Qiu Guochang X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1625; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=Wu4+NJU1Wqab+k0K/gKL2a12YrgZQpuITcxOXPjHLfs=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7nRWya048jZb2937jgfrvRlS+iNAs0VzPELSh6li /5Ke1eU3lHKwiDGxSArpsiimuB9VvJqgOm0mdVwc1iZQIYwcHEKwERSEhj+F6uHbX25x3cmo4n0 2ahlrNYLXvzNnbJxfeLXIqPdEpKlyxgZ+tncw3h/OrGrlKpOfqZSfml2jHCm+X9zLa/d7DXfDVf xAwA= X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Reuse the common SMM-M2 hardware definitions and provide the board-specific model and compatible strings. Signed-off-by: Qiu Guochang Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/Makefile | 3 ++- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2b.dts | 13 +++++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx= /Makefile index b5fad2ba764c..de9a317132ed 100644 --- a/arch/arm/boot/dts/nxp/imx/Makefile +++ b/arch/arm/boot/dts/nxp/imx/Makefile @@ -420,7 +420,8 @@ dtb-$(CONFIG_SOC_IMX6UL) +=3D \ imx6ull-var-som-concerto.dtb \ imx6ull-var-som-concerto-full.dtb \ imx6ulz-14x14-evk.dtb \ - imx6ulz-bsh-smm-m2.dtb + imx6ulz-bsh-smm-m2.dtb \ + imx6ulz-bsh-smm-m2b.dtb =20 imx7d-colibri-emmc-aster-panel-cap-touch-7inch-parallel-dtbs :=3D \ imx7d-colibri-emmc-aster.dtb \ diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2b.dts b/arch/arm/b= oot/dts/nxp/imx/imx6ulz-bsh-smm-m2b.dts new file mode 100644 index 000000000000..9dc92da6ace9 --- /dev/null +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2b.dts @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2021 BSH Hausgeraete GmbH + */ + +/dts-v1/; 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Thu, 5 Nov 2026 03:41:57 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:21 +0800 Subject: [PATCH v2 7/8] ARM: dts: imx6ulz: Configure UART2 pins on BSH SMM-M2 variants X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-7-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Akhil Narayanan X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1075; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=VqQvwx5DjvBuUeR/RiCBffb5oE02cLYBE8zFCfltHNk=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7kx4drOB7nxW9/GBpVp3Zh1dU+s0IPqu2vW7rv/f 9et4xsvp3aUsjCIcTHIiimyqCZ4n5W8GmA6bWY13BxWJpAhDFycAjARWx2Gf3Yf2VxiHl02uZfC Zymypfnkgun9O+Pzzm/6aMa6fG/0heMM/2wXS8ZyfnOMvuBbJ1SjsVnIaEFN5cpSrzdZPz8/lbN dyQIA X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Signed-off-by: Akhil Narayanan Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi b/arc= h/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi index 83df5c696748..27c7b6acc658 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi @@ -25,6 +25,8 @@ &snvs_poweroff { }; =20 &uart2 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_uart2>; status =3D "okay"; }; =20 @@ -77,4 +79,11 @@ MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1 MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX 0x1b0b1 >; }; + + pinctrl_uart2: uart2grp { + fsl,pins =3D < + MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1 + MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1 + >; + }; }; --=20 2.43.0 From nobody Thu Nov 5 05:12:51 2026 Authentication-Results: smtp.subspace.kernel.org; arc=pass header.oldest-pass=0 smtp.remote-ip=40.107.159.69 ARC-Seal: i=2; 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Thu, 5 Nov 2026 03:42:01 +0100 From: Haoning Cheng Date: Thu, 5 Nov 2026 10:41:22 +0800 Subject: [PATCH v2 8/8] dts: imx: Enable USB OTG mode on BSH SMM-M2 and SMM-S2 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20261105-add-bsh-smm-m2-v2-8-fb5ffc7da486@cn.bosch.com> References: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> In-Reply-To: <20261105-add-bsh-smm-m2-v2-0-fb5ffc7da486@cn.bosch.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam CC: , , , , Haoning Cheng , Florian Ager X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1451; i=Haoning.CHENG@cn.bosch.com; h=from:subject:message-id; bh=jP5A1kOtmjK+1Yg+TFdVnTV0mqPxM5FRhNJ1ZQGu19s=; b=owGbwMvMwCV2Lz9jvnXEsVWMp9WSGLJev7mhkWBzkunOLVn92VNSrj/V/F7bFn96U+9C1ky3u Qp7mwzcO0pZGMS4GGTFFFlUE7zPSl4NMJ02sxpuDisTyBAGLk4BmAjbE4ZfTD8eFx7ZX/a+cXu+ yjP1l8obNQ0fnNbTXTK/5+nkwBzXTIZ/1ga+0UxrKhdkr77cZSGl7NjO/6HzeIt5oyhj3EZtqSR mAA== X-Developer-Key: i=Haoning.CHENG@cn.bosch.com; 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Remove the SRP, HNP and ADP disable properties from the SMM-M2 configuration. Signed-off-by: Florian Ager Signed-off-by: Haoning Cheng --- arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi | 5 +---- arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi | 2 +- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi b/arc= h/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi index 27c7b6acc658..96f084b6ade4 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2-common.dtsi @@ -37,10 +37,7 @@ &uart4 { }; =20 &usbotg1 { - dr_mode =3D "peripheral"; - srp-disable; - hnp-disable; - adp-disable; + dr_mode =3D "otg"; status =3D "okay"; }; =20 diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/= arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi index d20393c2d901..7a121459f95c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi @@ -248,7 +248,7 @@ &uart4 { }; =20 &usbotg1 { - dr_mode =3D "peripheral"; + dr_mode =3D "otg"; disable-over-current; status =3D "okay"; }; --=20 2.43.0