diff options
| author | Primoz Fiser <primoz.fiser@norik.com> | 2025-04-22 12:56:33 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2025-05-09 18:10:05 +0800 |
| commit | 54be09bdb1e7b6291eb9b99c5b60fc5026576bd1 (patch) | |
| tree | 8afa26846037e35b55dafae15ce3b24a9de85d32 | |
| parent | d6241ba41f2c676b3f5a01497d99e5acb6ca2aef (diff) | |
arm64: dts: freescale: imx93-phycore-som: Enhance eMMC pinctrl
Improve eMMC on phyCORE-i.MX93 SOM by adding 100MHz and 200MHz pinctrl
modes. This enables to use eMMC at enhanced data rates (e.g. HS400).
While at it, apply a workaround for the i.MX93 chip errata ERR052021.
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi | 57 |
1 files changed, 47 insertions, 10 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi index 06a9e674e338..663530a7e2bb 100644 --- a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi @@ -166,8 +166,10 @@ /* eMMC */ &usdhc1 { - pinctrl-names = "default"; + pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; bus-width = <8>; non-removable; status = "okay"; @@ -213,18 +215,53 @@ >; }; + /* need to config the SION for data and cmd pad, refer to ERR052021 */ pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX93_PAD_SD1_CLK__USDHC1_CLK 0x179e - MX93_PAD_SD1_CMD__USDHC1_CMD 0x1386 - MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x138e - MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x1386 - MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x138e - MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x1386 - MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x1386 - MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x1386 - MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x1386 - MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x1386 + MX93_PAD_SD1_CMD__USDHC1_CMD 0x40001386 + MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000138e + MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x40001386 + MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000138e + MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x40001386 + MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x40001386 + MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x40001386 + MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x40001386 + MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x40001386 + MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x179e + >; + }; + + /* need to config the SION for data and cmd pad, refer to ERR052021 */ + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp { + fsl,pins = < + MX93_PAD_SD1_CLK__USDHC1_CLK 0x17be + MX93_PAD_SD1_CMD__USDHC1_CMD 0x4000139e + MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000138e + MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000139e + MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x400013be + MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000139e + MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000139e + MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000139e + MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000139e + MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000139e + MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x179e + >; + }; + + /* need to config the SION for data and cmd pad, refer to ERR052021 */ + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp { + fsl,pins = < + MX93_PAD_SD1_CLK__USDHC1_CLK 0x17be + MX93_PAD_SD1_CMD__USDHC1_CMD 0x4000139e + MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000139e + MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x400013be + MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x400013be + MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x400013be + MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x400013be + MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x400013be + MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x400013be + MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x400013be MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x179e >; }; |