[PATCHv2] ARM: dts: imx6ull: add UART5 input select register definitions

Stefan Wahren stefan.wahren at i2se.com
Thu Mar 29 08:24:54 PDT 2018


Am 28.03.2018 um 16:22 schrieb Greg Ungerer:
> The iMX6ULL UART5_RX_DATA_SELECT_INPUT DAISY Register has some different
> bit definitions to that same register in the iMX6UL.
>
> The bits for the iMX6UL:
>
> 000 CSI_DATA00_ALT8 — Selecting Pad: CSI_DATA00 for Mode: ALT8
> 001 CSI_DATA01_ALT8 — Selecting Pad: CSI_DATA01 for Mode: ALT8
> 010 GPIO1_IO04_ALT8 — Selecting Pad: GPIO1_IO04 for Mode: ALT8
> 011 GPIO1_IO05_ALT8 — Selecting Pad: GPIO1_IO05 for Mode: ALT
> 100 UART5_TX_DATA_ALT0 — Selecting Pad: UART5_TX_DATA for Mode: ALT
> 101 UART5_RX_DATA_ALT0 — Selecting Pad: UART5_RX_DATA for Mode: ALT
>
> But for the iMX6ULL:
>
> 000 CSI_DATA00_ALT8 — Selecting Pad: CSI_DATA00 for Mode: ALT8
> 001 CSI_DATA01_ALT8 — Selecting Pad: CSI_DATA01 for Mode: ALT8
> 010 GPIO1_IO04_ALT8 — Selecting Pad: GPIO1_IO04 for Mode: ALT8
> 011 GPIO1_IO05_ALT8 — Selecting Pad: GPIO1_IO05 for Mode: ALT
> 100 UART1_TX_DATA_ALT9 — Selecting Pad: UART1_TX_DATA for Mode: ALT9
> 101 UART1_RX_DATA_ALT9 — Selecting Pad: UART1_RX_DATA for Mode: ALT9
> 110 UART5_TX_DATA_ALT0 — Selecting Pad: UART5_TX_DATA for Mode: ALT0
> 111 UART5_RX_DATA_ALT0 — Selecting Pad: UART5_RX_DATA for Mode: ALT0
>
> Specifically for a board I am working on with the serial console on UART5
> I need to be able to enable UART5_RX_DATA_ALT0 mode. There is no definition
> for the iMX6ULL version of that in imx6ul-pinfunc.h or imx6ull-pinfunc.h.
>
> Add definitions for the missing UART5 input select register bits of the
> iMX6ULL.
>
> Signed-off-by: Greg Ungerer <gerg at linux-m68k.org>
> ---
>   arch/arm/boot/dts/imx6ull-pinfunc.h | 4 ++++
>   1 file changed, 4 insertions(+)
>
> v2: add definitions for all missing bits
>
> diff --git a/arch/arm/boot/dts/imx6ull-pinfunc.h b/arch/arm/boot/dts/imx6ull-pinfunc.h
> index 1182023..090846b 100644
> --- a/arch/arm/boot/dts/imx6ull-pinfunc.h
> +++ b/arch/arm/boot/dts/imx6ull-pinfunc.h
> @@ -14,6 +14,10 @@
>    * The pin function ID is a tuple of
>    * <mux_reg conf_reg input_reg mux_mode input_val>
>    */
> +#define MX6ULL_PAD_UART1_TX_DATA__UART5_DTE_RX                    0x0084 0x0310 0x0644 0x9 0x4
> +#define MX6ULL_PAD_UART1_RX_DATA__UART5_DCE_RX                    0x0088 0x0314 0x0644 0x9 0x5
> +#define MX6ULL_PAD_UART5_TX_DATA__UART5_DTE_RX                    0x00BC 0x0348 0x0644 0x0 0x6
> +#define MX6ULL_PAD_UART5_RX_DATA__UART5_DCE_RX                    0x00C0 0x034C 0x0644 0x0 0x7
>   #define MX6ULL_PAD_ENET2_RX_DATA0__EPDC_SDDO08                    0x00E4 0x0370 0x0000 0x9 0x0
>   #define MX6ULL_PAD_ENET2_RX_DATA1__EPDC_SDDO09                    0x00E8 0x0374 0x0000 0x9 0x0
>   #define MX6ULL_PAD_ENET2_RX_EN__EPDC_SDDO10                       0x00EC 0x0378 0x0000 0x9 0x0

Acked-by: Stefan Wahren <stefan.wahren at i2se.com>



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