| Message ID | 20250226-initial_display-v2-4-23fafa130817@gocontroll.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: freescale: Add support for the GOcontroll Moduline Display | expand |
On Wed, Feb 26, 2025 at 4:23 PM Maud Spierings via B4 Relay <devnull+maudspierings.gocontroll.com@kernel.org> wrote: > > From: Maud Spierings <maudspierings@gocontroll.com> > > 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. > > Acked-by: Rob Herring (Arm) <robh@kernel.org> > Signed-off-by: Maud Spierings <maudspierings@gocontroll.com> > --- > This patch has already been sent in a different group of patches: [1] > It was requested there to submit it along with a user, this series also > includes some users for it. > > [1]: https://lore.kernel.org/all/20250218-pinctrl_defines-v2-2-c554cad0e1d2@gocontroll.com/ > --- > arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h | 27 ++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h > index 0fef066471ba607be02d0ab15da5a048a8a213a7..0927ed11ec687d5b273c4a4a6455e8d81468f676 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h > +++ b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h > @@ -6,6 +6,33 @@ > #ifndef __DTS_IMX8MP_PINFUNC_H > #define __DTS_IMX8MP_PINFUNC_H > > +//Drive Strength Please use C-style comments /* .. */
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h index 0fef066471ba607be02d0ab15da5a048a8a213a7..0927ed11ec687d5b273c4a4a6455e8d81468f676 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h +++ b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h @@ -6,6 +6,33 @@ #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 + /* * The pin function ID is a tuple of * <mux_reg conf_reg input_reg mux_mode input_val>