From: Maud Spierings Date: Tue, 20 May 2025 06:34:51 +0000 (+0200) Subject: arm64: dts: imx8mp: Add pinctrl config definitions X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=31ff1060175c45844960e6006b28242cad0267cd;p=users%2Fjedix%2Flinux-maple.git arm64: dts: imx8mp: Add pinctrl config definitions Currently to configure each IOMUXC_SW_PAD_CTL_PAD the raw value of this register is written in the dts, these values are not obvious. Add defines which describe the fields of this register which can be or-ed together to produce readable settings. Reviewed-by: Frank Li Acked-by: Rob Herring (Arm) Signed-off-by: Maud Spierings Signed-off-by: Shawn Guo --- diff --git a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h index 0fef066471ba6..16f5899de4152 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h +++ b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h @@ -6,6 +6,39 @@ #ifndef __DTS_IMX8MP_PINFUNC_H #define __DTS_IMX8MP_PINFUNC_H +/* Drive Strength */ +#define MX8MP_DSE_X1 0x0 +#define MX8MP_DSE_X2 0x4 +#define MX8MP_DSE_X4 0x2 +#define MX8MP_DSE_X6 0x6 + +/* Slew Rate */ +#define MX8MP_FSEL_FAST 0x10 +#define MX8MP_FSEL_SLOW 0x0 + +/* Open Drain */ +#define MX8MP_ODE_ENABLE 0x20 +#define MX8MP_ODE_DISABLE 0x0 + +#define MX8MP_PULL_DOWN 0x0 +#define MX8MP_PULL_UP 0x40 + +/* Hysteresis */ +#define MX8MP_HYS_CMOS 0x0 +#define MX8MP_HYS_SCHMITT 0x80 + +#define MX8MP_PULL_ENABLE 0x100 +#define MX8MP_PULL_DISABLE 0x0 + +/* SION force input mode */ +#define MX8MP_SION 0x40000000 + +/* long defaults */ +#define MX8MP_USDHC_DATA_DEFAULT (MX8MP_FSEL_FAST | MX8MP_PULL_UP | \ + MX8MP_HYS_SCHMITT | MX8MP_PULL_ENABLE) +#define MX8MP_I2C_DEFAULT (MX8MP_DSE_X6 | MX8MP_PULL_UP | MX8MP_HYS_SCHMITT | \ + MX8MP_PULL_ENABLE | MX8MP_SION) + /* * The pin function ID is a tuple of *