Nishanth,
* Tony Lindgren <tony@xxxxxxxxxxx> [161230 10:50]:
> Add dra7 iodelay configuration and use it for MMC.
I just noticed that this patch should probably be:
From: Nishanth Menon <nm@xxxxxx>
I think I just added the description to the patch.
Can you please confirm and reply with your Signed-off-by
if that's the case?
Regards,
Tony
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi | 21 ++++++++++++++++++++-
> arch/arm/boot/dts/dra7.dtsi | 8 ++++++++
> include/dt-bindings/pinctrl/dra.h | 4 ++++
> 3 files changed, 32 insertions(+), 1 deletion(-)
> ---
>
> And ere are the related dts changes.
>
> diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
> --- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
> +++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
> @@ -190,6 +190,25 @@
> >;
> };
> };
> +
> +&dra7_iodelay_core
> +{
> + mmc2_iodelay_3v3_conf: mmc2_iodelay_3v3_conf {
> + pinctrl-pin-array = <
> + 0x18c A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A19_IN */
> + 0x1a4 A_DELAY_PS(265) G_DELAY_PS(360) /* CFG_GPMC_A20_IN */
> + 0x1b0 A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A21_IN */
> + 0x1bc A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A22_IN */
> + 0x1c8 A_DELAY_PS(287) G_DELAY_PS(420) /* CFG_GPMC_A23_IN */
> + 0x1d4 A_DELAY_PS(144) G_DELAY_PS(240) /* CFG_GPMC_A24_IN */
> + 0x1e0 A_DELAY_PS(0) G_DELAY_PS(0) /* CFG_GPMC_A25_IN */
> + 0x1ec A_DELAY_PS(120) G_DELAY_PS(0) /* CFG_GPMC_A26_IN */
> + 0x1f8 A_DELAY_PS(120) G_DELAY_PS(180) /* CFG_GPMC_A27_IN */
> + 0x360 A_DELAY_PS(0) G_DELAY_PS(0) /* CFG_GPMC_CS1_IN */
> + >;
> + };
> +};
> +
> &i2c1 {
> status = "okay";
> clock-frequency = <400000>;
> @@ -452,7 +471,7 @@
> status = "okay";
>
> pinctrl-names = "default";
> - pinctrl-0 = <&mmc2_pins_default>;
> + pinctrl-0 = <&mmc2_pins_default &mmc2_iodelay_3v3_conf>;
>
> vmmc-supply = <&vdd_3v3>;
> bus-width = <8>;
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -401,6 +401,14 @@
> reg = <0x40d00000 0x100>;
> };
>
> + dra7_iodelay_core: padconf@4844a000 {
> + compatible = "ti,dra7-iodelay";
> + reg = <0x4844a000 0x0d1c>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #pinctrl-cells = <2>;
> + };
> +
> sdma: dma-controller@4a056000 {
> compatible = "ti,omap4430-sdma";
> reg = <0x4a056000 0x1000>;
> diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h
> --- a/include/dt-bindings/pinctrl/dra.h
> +++ b/include/dt-bindings/pinctrl/dra.h
> @@ -73,5 +73,9 @@
> */
> #define DRA7XX_CORE_IOPAD(pa, val) (((pa) & 0xffff) - 0x3400) (val)
>
> +/* DRA7 IODELAY configuration parameters */
> +#define A_DELAY_PS(val) ((val) & 0xffff)
> +#define G_DELAY_PS(val) ((val) & 0xffff)
> +
> #endif
>
> --
> 2.11.0
> --
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