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charset="utf-8" From: Peng Fan Add i.MX8ULP CM33 node. Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index 57627bdaa851..8116d6eeb738 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -148,6 +148,11 @@ scmi_sensor: protocol@15 { }; }; =20 + cm33: remoteproc-cm33 { + compatible =3D "fsl,imx8ulp-cm33"; + status =3D "disabled"; + }; + soc: soc@0 { compatible =3D "simple-bus"; #address-cells =3D <1>; --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CB10C0015E for ; Mon, 24 Jul 2023 07:54:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230254AbjGXHyM (ORCPT ); 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charset="utf-8" From: Peng Fan Set default clock rate and parents for SDHC[0,1,2]. The PLL3 PFD2 maximum frequency is 332Mhz, we can't set it to 389Mhz as USDHC clock parent. Because PLL3 PFD0 is used for NIC, PFD1 is used for audio, the only choice is PFD3 which can reach to 400Mhz. USDHC1 and USDHC2 maximum PCC clock rate is 200Mhz in Over Drive mode, and 100Mhz in Nominal/Low Drive mode, when PTE or PTF is used. The patch adjusts clock parent to PLL3 PFD3 DIV1 for USDHC0, PLL3 PFD3 DIV2 for USDHC1 and USDHC2. And set the max rate to meet restrictions. Signed-off-by: Haibo Chen Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index 8116d6eeb738..ba0edb9a009b 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -370,6 +370,10 @@ usdhc0: mmc@298d0000 { <&pcc4 IMX8ULP_CLK_USDHC0>; clock-names =3D "ipg", "ahb", "per"; power-domains =3D <&scmi_devpd IMX8ULP_PD_USDHC0>; + assigned-clocks =3D <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV1>, + <&pcc4 IMX8ULP_CLK_USDHC0>; + assigned-clock-parents =3D <0>, <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV1>; + assigned-clock-rates =3D <389283840>, <389283840>; fsl,tuning-start-tap =3D <20>; fsl,tuning-step =3D <2>; bus-width =3D <4>; @@ -385,6 +389,10 @@ usdhc1: mmc@298e0000 { <&pcc4 IMX8ULP_CLK_USDHC1>; clock-names =3D "ipg", "ahb", "per"; power-domains =3D <&scmi_devpd IMX8ULP_PD_USDHC1>; + assigned-clocks =3D <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>, + <&pcc4 IMX8ULP_CLK_USDHC1>; + assigned-clock-parents =3D <0>, <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>; + assigned-clock-rates =3D <194641920>, <194641920>; fsl,tuning-start-tap =3D <20>; fsl,tuning-step =3D <2>; bus-width =3D <4>; @@ -400,6 +408,10 @@ usdhc2: mmc@298f0000 { <&pcc4 IMX8ULP_CLK_USDHC2>; clock-names =3D "ipg", "ahb", "per"; power-domains =3D <&scmi_devpd IMX8ULP_PD_USDHC2_USB1>; + assigned-clocks =3D <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>, + <&pcc4 IMX8ULP_CLK_USDHC2>; + assigned-clock-parents =3D <0>, <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>; + assigned-clock-rates =3D <194641920>, <194641920>; fsl,tuning-start-tap =3D <20>; fsl,tuning-step =3D <2>; bus-width =3D <4>; --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 058D3C001E0 for ; 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charset="utf-8" From: Peng Fan Add thermal node. Cooling map is not added, because frequency runtime changing not supported for now. Reviewed-by: Jacky Bai Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index ba0edb9a009b..8891b4dc3bea 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -7,6 +7,7 @@ #include #include #include +#include =20 #include "imx8ulp-pinfunc.h" =20 @@ -78,6 +79,28 @@ psci { method =3D "smc"; }; =20 + thermal-zones { + cpu-thermal { + polling-delay-passive =3D <250>; + polling-delay =3D <2000>; + thermal-sensors =3D <&scmi_sensor 0>; + + trips { + cpu_alert0: trip0 { + temperature =3D <85000>; + hysteresis =3D <2000>; + type =3D "passive"; + }; + + cpu_crit0: trip1 { + temperature =3D <95000>; + hysteresis =3D <2000>; + type =3D "critical"; + }; + }; + }; + }; + timer { compatible =3D "arm,armv8-timer"; interrupts =3D , /* Physical Secure */ --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3FA1C0015E for ; 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charset="utf-8" From: Peng Fan Add cpuidle node and enable cpuidle for dual cores. The HW mode in Arm Trusted Firmware is SoC Application Power Domain Sleep mode. Signed-off-by: Jacky Bai Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index 8891b4dc3bea..17cbe526a5b0 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -40,6 +40,7 @@ A35_0: cpu@0 { reg =3D <0x0 0x0>; enable-method =3D "psci"; next-level-cache =3D <&A35_L2>; + cpu-idle-states =3D <&cpu_sleep>; }; =20 A35_1: cpu@1 { @@ -48,6 +49,7 @@ A35_1: cpu@1 { reg =3D <0x0 0x1>; enable-method =3D "psci"; next-level-cache =3D <&A35_L2>; + cpu-idle-states =3D <&cpu_sleep>; }; =20 A35_L2: l2-cache0 { @@ -55,6 +57,19 @@ A35_L2: l2-cache0 { cache-level =3D <2>; cache-unified; }; + + idle-states { + entry-method =3D "psci"; + + cpu_sleep: cpu-sleep { + compatible =3D "arm,idle-state"; + arm,psci-suspend-param =3D <0x0>; + local-timer-stop; + entry-latency-us =3D <1000>; 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charset="utf-8" From: Haibo Chen Add flexspi node, flexspi has a special memory region mapped to 0x60000000~0x6fffffff. This region is for AHB usage. So add this region to SoC ranges. Signed-off-by: Haibo Chen Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8ulp.dtsi index 17cbe526a5b0..8a6596d5a581 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -195,7 +195,8 @@ soc: soc@0 { compatible =3D "simple-bus"; #address-cells =3D <1>; #size-cells =3D <1>; - ranges =3D <0x0 0x0 0x0 0x40000000>; + ranges =3D <0x0 0x0 0x0 0x40000000>, + <0x60000000 0x0 0x60000000 0x1000000>; =20 s4muap: mailbox@27020000 { compatible =3D "fsl,imx8ulp-mu-s4"; @@ -350,6 +351,21 @@ pcc4: clock-controller@29800000 { #reset-cells =3D <1>; }; =20 + flexspi2: spi@29810000 { + compatible =3D "nxp,imx8mm-fspi"; + reg =3D <0x29810000 0x10000>, <0x60000000 0x10000000>; + reg-names =3D "fspi_base", "fspi_mmap"; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D ; + clocks =3D <&pcc4 IMX8ULP_CLK_FLEXSPI2>, + <&pcc4 IMX8ULP_CLK_FLEXSPI2>; + clock-names =3D "fspi", "fspi_en"; + assigned-clocks =3D <&pcc4 IMX8ULP_CLK_FLEXSPI2>; + assigned-clock-parents =3D <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>; + status =3D "disabled"; + }; + lpi2c6: i2c@29840000 { compatible =3D "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c"; reg =3D <0x29840000 0x10000>; --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8451C001DE for ; Mon, 24 Jul 2023 07:55:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231330AbjGXHzR (ORCPT ); Mon, 24 Jul 2023 03:55:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231326AbjGXHzF (ORCPT ); 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by PAXPR04MB9445.eurprd04.prod.outlook.com (2603:10a6:102:2b4::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6609.31; Mon, 24 Jul 2023 07:54:16 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::5d6a:ec53:f2a8:5b97]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::5d6a:ec53:f2a8:5b97%6]) with mapi id 15.20.6609.032; Mon, 24 Jul 2023 07:54:16 +0000 From: "Peng Fan (OSS)" To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: [PATCH V2 06/10] arm64: dts: imx8ulp-evk: add reserved memory for cma Date: Mon, 24 Jul 2023 15:58:29 +0800 Message-Id: <20230724075833.2763190-7-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230724075833.2763190-1-peng.fan@oss.nxp.com> References: <20230724075833.2763190-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR01CA0191.apcprd01.prod.exchangelabs.com (2603:1096:4:189::6) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|PAXPR04MB9445:EE_ X-MS-Office365-Filtering-Correlation-Id: e412e8bc-071b-44d4-3184-08db8c1b2dcb X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" From: Peng Fan Add reserved memory node for CMA usage. Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index f1c6d933a17c..e171390a1888 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -20,6 +20,19 @@ memory@80000000 { reg =3D <0x0 0x80000000 0 0x80000000>; }; =20 + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + linux,cma { + compatible =3D "shared-dma-pool"; + reusable; + size =3D <0 0x28000000>; + linux,cma-default; + }; + }; + clock_ext_rmii: clock-ext-rmii { compatible =3D "fixed-clock"; clock-frequency =3D <50000000>; --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44EAEC001DE for ; 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charset="utf-8" From: Peng Fan Enable CM33 node to support rpmsg feature. To use rpmsg, also need to enable mu node for mailbox doorbell and reserved memory node for vring, and data buffer. And reserved a piece DRAM memory for case that m33 images loaded in DRAM. Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index e171390a1888..d66e31cf83fe 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -31,6 +31,42 @@ linux,cma { size =3D <0 0x28000000>; linux,cma-default; }; + + m33_reserved: noncacheable-section@a8600000 { + reg =3D <0 0xa8600000 0 0x1000000>; + no-map; + }; + + rsc_table: rsc-table@1fff8000{ + reg =3D <0 0x1fff8000 0 0x1000>; + no-map; + }; + + vdev0vring0: vdev0vring0@aff00000 { + reg =3D <0 0xaff00000 0 0x8000>; + no-map; + }; + + vdev0vring1: vdev0vring1@aff08000 { + reg =3D <0 0xaff08000 0 0x8000>; + no-map; + }; + + vdev1vring0: vdev1vring0@aff10000 { + reg =3D <0 0xaff10000 0 0x8000>; + no-map; + }; + + vdev1vring1: vdev1vring1@aff18000 { + reg =3D <0 0xaff18000 0 0x8000>; + no-map; + }; + + vdevbuffer: vdevbuffer@a8400000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0xa8400000 0 0x100000>; + no-map; + }; }; =20 clock_ext_rmii: clock-ext-rmii { @@ -49,6 +85,16 @@ clock_ext_ts: clock-ext-ts { }; }; =20 +&cm33 { + mbox-names =3D "tx", "rx", "rxdb"; + mboxes =3D <&mu 0 1>, + <&mu 1 1>, + <&mu 3 1>; + memory-region =3D <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, + <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>; + status =3D "okay"; +}; + &lpuart5 { /* console */ pinctrl-names =3D "default", "sleep"; @@ -92,6 +138,10 @@ ethphy: ethernet-phy@1 { }; }; =20 +&mu { + status =3D "okay"; +}; + &iomuxc1 { pinctrl_enet: enetgrp { fsl,pins =3D < --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E12F0C04A94 for ; Mon, 24 Jul 2023 07:55:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231351AbjGXHzv (ORCPT ); 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charset="utf-8" From: Han Xu Add spi-nor support. - 8 bit mode for RX/TX. - Set the clock rate to 200MHz. - add default/sleep pinctrl. Co-developed-by: Haibo Chen Signed-off-by: Haibo Chen Signed-off-by: Han Xu Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index d66e31cf83fe..f841b722597e 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -95,6 +95,21 @@ &cm33 { status =3D "okay"; }; =20 +&flexspi2 { + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_flexspi2_ptd>; + pinctrl-1 =3D <&pinctrl_flexspi2_ptd>; + status =3D "okay"; + + mx25uw51345gxdi00: flash@0 { + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + spi-max-frequency =3D <200000000>; + spi-tx-bus-width =3D <8>; + spi-rx-bus-width =3D <8>; + }; +}; + &lpuart5 { /* console */ pinctrl-names =3D "default", "sleep"; @@ -159,6 +174,23 @@ MX8ULP_PAD_PTF10__ENET0_1588_CLKIN 0x43 >; }; =20 + pinctrl_flexspi2_ptd: flexspi2ptdgrp { + fsl,pins =3D < + + MX8ULP_PAD_PTD12__FLEXSPI2_A_SS0_B 0x42 + MX8ULP_PAD_PTD13__FLEXSPI2_A_SCLK 0x42 + MX8ULP_PAD_PTD14__FLEXSPI2_A_DATA3 0x42 + MX8ULP_PAD_PTD15__FLEXSPI2_A_DATA2 0x42 + MX8ULP_PAD_PTD16__FLEXSPI2_A_DATA1 0x42 + MX8ULP_PAD_PTD17__FLEXSPI2_A_DATA0 0x42 + MX8ULP_PAD_PTD18__FLEXSPI2_A_DQS 0x42 + MX8ULP_PAD_PTD19__FLEXSPI2_A_DATA7 0x42 + MX8ULP_PAD_PTD20__FLEXSPI2_A_DATA6 0x42 + MX8ULP_PAD_PTD21__FLEXSPI2_A_DATA5 0x42 + MX8ULP_PAD_PTD22__FLEXSPI2_A_DATA4 0x42 + >; + }; + pinctrl_lpuart5: lpuart5grp { fsl,pins =3D < MX8ULP_PAD_PTF14__LPUART5_TX 0x3 --=20 2.37.1 From nobody Tue Sep 9 01:20:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9ED7C001DE for ; Mon, 24 Jul 2023 07:56:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231422AbjGXH4a (ORCPT ); Mon, 24 Jul 2023 03:56:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231354AbjGXH4D (ORCPT ); Mon, 24 Jul 2023 03:56:03 -0400 Received: from EUR01-HE1-obe.outbound.protection.outlook.com (mail-he1eur01on2072.outbound.protection.outlook.com [40.107.13.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90B5410DE; Mon, 24 Jul 2023 00:55:35 -0700 (PDT) ARC-Seal: i=1; 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charset="utf-8" From: Haibo Chen Add 100MHz and 200MHz pinctrl setting for eMMC, and enable 8 bit bus mode to config the eMMC work at HS400ES mode. Also update to use Standard Drive Strength for USDHC pad to get a better signal quality per Hardware team suggests. Reviewed-by: Sherry Sun Signed-off-by: Haibo Chen Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 26 ++++++++++--------- 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index f841b722597e..1314383caf76 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -119,9 +119,11 @@ &lpuart5 { }; =20 &usdhc0 { - pinctrl-names =3D "default", "sleep"; + pinctrl-names =3D "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 =3D <&pinctrl_usdhc0>; pinctrl-1 =3D <&pinctrl_usdhc0>; + pinctrl-2 =3D <&pinctrl_usdhc0>; + pinctrl-3 =3D <&pinctrl_usdhc0>; non-removable; bus-width =3D <8>; status =3D "okay"; @@ -200,17 +202,17 @@ MX8ULP_PAD_PTF15__LPUART5_RX 0x3 =20 pinctrl_usdhc0: usdhc0grp { fsl,pins =3D < - MX8ULP_PAD_PTD1__SDHC0_CMD 0x43 - MX8ULP_PAD_PTD2__SDHC0_CLK 0x10042 - MX8ULP_PAD_PTD10__SDHC0_D0 0x43 - MX8ULP_PAD_PTD9__SDHC0_D1 0x43 - MX8ULP_PAD_PTD8__SDHC0_D2 0x43 - MX8ULP_PAD_PTD7__SDHC0_D3 0x43 - MX8ULP_PAD_PTD6__SDHC0_D4 0x43 - MX8ULP_PAD_PTD5__SDHC0_D5 0x43 - MX8ULP_PAD_PTD4__SDHC0_D6 0x43 - MX8ULP_PAD_PTD3__SDHC0_D7 0x43 - MX8ULP_PAD_PTD11__SDHC0_DQS 0x10042 + MX8ULP_PAD_PTD1__SDHC0_CMD 0x3 + MX8ULP_PAD_PTD2__SDHC0_CLK 0x10002 + MX8ULP_PAD_PTD10__SDHC0_D0 0x3 + MX8ULP_PAD_PTD9__SDHC0_D1 0x3 + MX8ULP_PAD_PTD8__SDHC0_D2 0x3 + MX8ULP_PAD_PTD7__SDHC0_D3 0x3 + MX8ULP_PAD_PTD6__SDHC0_D4 0x3 + MX8ULP_PAD_PTD5__SDHC0_D5 0x3 + MX8ULP_PAD_PTD4__SDHC0_D6 0x3 + MX8ULP_PAD_PTD3__SDHC0_D7 0x3 + MX8ULP_PAD_PTD11__SDHC0_DQS 0x10002 >; 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charset="utf-8" From: Haibo Chen Enable lpi2c7 bus, and enable i2c IO expander. Reviewed-by: Clark Wang Signed-off-by: Haibo Chen Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index 1314383caf76..69dd8e31027c 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -118,6 +118,23 @@ &lpuart5 { status =3D "okay"; }; =20 +&lpi2c7 { + #address-cells =3D <1>; + #size-cells =3D <0>; + clock-frequency =3D <400000>; + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_lpi2c7>; + pinctrl-1 =3D <&pinctrl_lpi2c7>; + status =3D "okay"; + + pcal6408: gpio@21 { + compatible =3D "nxp,pcal9554b"; + reg =3D <0x21>; + gpio-controller; + #gpio-cells =3D <2>; + }; +}; + &usdhc0 { pinctrl-names =3D "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 =3D <&pinctrl_usdhc0>; @@ -200,6 +217,13 @@ MX8ULP_PAD_PTF15__LPUART5_RX 0x3 >; }; =20 + pinctrl_lpi2c7: lpi2c7grp { + fsl,pins =3D < + MX8ULP_PAD_PTE12__LPI2C7_SCL 0x20 + MX8ULP_PAD_PTE13__LPI2C7_SDA 0x20 + >; + }; + pinctrl_usdhc0: usdhc0grp { fsl,pins =3D < MX8ULP_PAD_PTD1__SDHC0_CMD 0x3 --=20 2.37.1