[U-Boot] [RFC 4/9] arm: imx7d-pico-pi: Convert to DM MMC initialization

[Offouga Joris <offougajoris@gmail.com>]

Hi Fabio 

I am preparing the next and I hope to be able to send it soon. give me the instructions to follow and I will add them

Joris 

> On 14 Feb 2019, at 13:14, Fabio Estevam <festevam@gmail.com> wrote:
> 
>> On Sun, Jan 20, 2019 at 7:52 PM Joris Offouga <offougajoris@gmail.com> wrote:
>> 
>> Furthermore this patch create un alias for mmc0 to usdch3 because before the
>> convertion he was the only one described in the pico-imx7d.c.
>> 
>> Signed-off-by: Joris Offouga <offougajoris@gmail.com>
>> ---
>> arch/arm/dts/imx7d-pico-pi.dts           |  4 ++++
>> board/technexion/pico-imx7d/pico-imx7d.c | 36 --------------------------------
>> configs/pico-pi-imx7d_defconfig          |  1 +
>> 3 files changed, 5 insertions(+), 36 deletions(-)
>> 
>> diff --git a/arch/arm/dts/imx7d-pico-pi.dts b/arch/arm/dts/imx7d-pico-pi.dts
>> index 66ca590..d4aca96 100644
>> --- a/arch/arm/dts/imx7d-pico-pi.dts
>> +++ b/arch/arm/dts/imx7d-pico-pi.dts
>> @@ -8,6 +8,10 @@
>>        model = "TechNexion PICO-IMX7D Board and PI baseboard";
>>        compatible = "technexion,imx7d-pico-pi", "fsl,imx7d";
>> 
>> +       aliases {
>> +               mmc0 = &usdhc3;
>> +       };
>> +
>>        leds {
>>                compatible = "gpio-leds";
>>                pinctrl-names = "default";
>> diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c
>> index 53e1469..48e90b0 100644
>> --- a/board/technexion/pico-imx7d/pico-imx7d.c
>> +++ b/board/technexion/pico-imx7d/pico-imx7d.c
>> @@ -28,9 +28,6 @@ DECLARE_GLOBAL_DATA_PTR;
>> #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | \
>>        PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
>> 
>> -#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
>> -       PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
>> -
>> #define ENET_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
>> #define ENET_PAD_CTRL_MII  (PAD_CTL_DSE_3P3V_32OHM)
>> 
>> @@ -118,20 +115,6 @@ static iomux_v3_cfg_t const uart5_pads[] = {
>>        MX7D_PAD_I2C4_SDA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
>> };
>> 
>> -static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
>> -       MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -       MX7D_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>> -};
>> -
>> #ifdef CONFIG_FEC_MXC
>> static iomux_v3_cfg_t const fec1_pads[] = {
>>        MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
>> @@ -216,25 +199,6 @@ static void setup_iomux_uart(void)
>>        imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
>> }
>> 
>> -static struct fsl_esdhc_cfg usdhc_cfg[1] = {
>> -       {USDHC3_BASE_ADDR},
>> -};
>> -
>> -int board_mmc_getcd(struct mmc *mmc)
>> -{
>> -       /* Assume uSDHC3 emmc is always present */
>> -       return 1;
>> -}
>> -
>> -int board_mmc_init(bd_t *bis)
>> -{
>> -       imx_iomux_v3_setup_multiple_pads(
>> -                       usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads));
>> -       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
>> -
>> -       return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
>> -}
>> -
>> int board_early_init_f(void)
>> {
>>        setup_iomux_uart();
>> diff --git a/configs/pico-pi-imx7d_defconfig b/configs/pico-pi-imx7d_defconfig
>> index 80f5739..0d1c56b 100644
>> --- a/configs/pico-pi-imx7d_defconfig
>> +++ b/configs/pico-pi-imx7d_defconfig
>> @@ -23,6 +23,7 @@ CONFIG_SPL_USB_HOST_SUPPORT=y
>> CONFIG_SPL_USB_GADGET=y
>> CONFIG_SPL_USB_SDP_SUPPORT=y
>> CONFIG_OF_CONTROL=y
>> +CONFIG_DM_MMC=y
> 
> After converting to the other imx7d pico defconfigs you can add:
> 
> Reviewed-by: Fabio Estevam <festevam@gmail.com>