diff options
| author | Maud Spierings <maudspierings@gocontroll.com> | 2026-02-16 16:07:09 +0300 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-03-02 22:26:56 +0300 |
| commit | f9084ded66bb4d3801d57e7f355f872081158776 (patch) | |
| tree | d9590eb56423388617aff01ae980a41cd436ef32 | |
| parent | 9a7dded511a789ff4abb9b6db5db001d7cef06da (diff) | |
| download | linux-f9084ded66bb4d3801d57e7f355f872081158776.tar.xz | |
arm64: dts: imx8mm: 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 <Frank.Li@nxp.com>
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h index b1f11098d248..31557b7b9ccc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h +++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h @@ -6,6 +6,39 @@ #ifndef __DTS_IMX8MM_PINFUNC_H #define __DTS_IMX8MM_PINFUNC_H +/* Drive Strength */ +#define MX8MM_DSE_X1 0x0 +#define MX8MM_DSE_X2 0x4 +#define MX8MM_DSE_X4 0x2 +#define MX8MM_DSE_X6 0x6 + +/* Slew Rate */ +#define MX8MM_FSEL_FAST 0x10 +#define MX8MM_FSEL_SLOW 0x0 + +/* Open Drain */ +#define MX8MM_ODE_ENABLE 0x20 +#define MX8MM_ODE_DISABLE 0x0 + +#define MX8MM_PULL_DOWN 0x0 +#define MX8MM_PULL_UP 0x40 + +/* Hysteresis */ +#define MX8MM_HYS_CMOS 0x0 +#define MX8MM_HYS_SCHMITT 0x80 + +#define MX8MM_PULL_ENABLE 0x100 +#define MX8MM_PULL_DISABLE 0x0 + +/* SION force input mode */ +#define MX8MM_SION 0x40000000 + +/* long defaults */ +#define MX8MM_USDHC_DATA_DEFAULT (MX8MM_FSEL_FAST | MX8MM_PULL_UP | \ + MX8MM_HYS_SCHMITT | MX8MM_PULL_ENABLE) +#define MX8MM_I2C_DEFAULT (MX8MM_DSE_X6 | MX8MM_PULL_UP | MX8MM_HYS_SCHMITT | \ + MX8MM_PULL_ENABLE | MX8MM_SION) + /* * The pin function ID is a tuple of * <mux_reg conf_reg input_reg mux_mode input_val> |