* [PATCH 1/2] ARM: sunxi: Add fixed 3V regulator
@ 2014-05-20 15:47 Maxime Ripard
2014-05-20 15:47 ` [PATCH 2/2] ARM: sun6i: Add MMC0 controller to the Colombus board Maxime Ripard
0 siblings, 1 reply; 3+ messages in thread
From: Maxime Ripard @ 2014-05-20 15:47 UTC (permalink / raw)
To: linux-arm-kernel
A few boards we've seen have a fixed 3V regulator. Add this one on the common
DTSI.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
arch/arm/boot/dts/sunxi-common-regulators.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/sunxi-common-regulators.dtsi b/arch/arm/boot/dts/sunxi-common-regulators.dtsi
index 026bd83f078f..3d021efd1a38 100644
--- a/arch/arm/boot/dts/sunxi-common-regulators.dtsi
+++ b/arch/arm/boot/dts/sunxi-common-regulators.dtsi
@@ -73,6 +73,13 @@
status = "disabled";
};
+ reg_vcc3v0: vcc3v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v0";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+
reg_vcc3v3: vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "vcc3v3";
--
1.9.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: sun6i: Add MMC0 controller to the Colombus board
2014-05-20 15:47 [PATCH 1/2] ARM: sunxi: Add fixed 3V regulator Maxime Ripard
@ 2014-05-20 15:47 ` Maxime Ripard
2014-05-20 20:55 ` Hans de Goede
0 siblings, 1 reply; 3+ messages in thread
From: Maxime Ripard @ 2014-05-20 15:47 UTC (permalink / raw)
To: linux-arm-kernel
The Colombus has a full size SD slot wired to the MMC0 controller. In order to
work, the MMC lines have to have the pull-ups enabled though.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
arch/arm/boot/dts/sun6i-a31-colombus.dts | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/sun6i-a31-colombus.dts b/arch/arm/boot/dts/sun6i-a31-colombus.dts
index 3898a7bce831..e2cf2f3646bf 100644
--- a/arch/arm/boot/dts/sun6i-a31-colombus.dts
+++ b/arch/arm/boot/dts/sun6i-a31-colombus.dts
@@ -13,6 +13,7 @@
/dts-v1/;
/include/ "sun6i-a31.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
/ {
model = "WITS A31 Colombus Evaluation Board";
@@ -23,6 +24,32 @@
};
soc at 01c00000 {
+ mmc0: mmc at 01c0f000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_colombus>, <&mmc0_cd_pin_colombus>;
+ vmmc-supply = <®_vcc3v0>;
+ bus-width = <4>;
+ cd-gpios = <&pio 0 8 0>; /* PA8 */
+ cd-inverted;
+ status = "okay";
+ };
+
+ pio: pinctrl at 01c20800 {
+ mmc0_pins_colombus: mmc0 at 0 {
+ allwinner,pins = "PF0","PF1","PF2","PF3","PF4","PF5";
+ allwinner,function = "mmc0";
+ allwinner,drive = <2>;
+ allwinner,pull = <1>;
+ };
+
+ mmc0_cd_pin_colombus: mmc0_cd_pin at 0 {
+ allwinner,pins = "PA8";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <0>;
+ allwinner,pull = <1>;
+ };
+ };
+
uart0: serial at 01c28000 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
--
1.9.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: sun6i: Add MMC0 controller to the Colombus board
2014-05-20 15:47 ` [PATCH 2/2] ARM: sun6i: Add MMC0 controller to the Colombus board Maxime Ripard
@ 2014-05-20 20:55 ` Hans de Goede
0 siblings, 0 replies; 3+ messages in thread
From: Hans de Goede @ 2014-05-20 20:55 UTC (permalink / raw)
To: linux-arm-kernel
Hi,
On 05/20/2014 05:47 PM, Maxime Ripard wrote:
> The Colombus has a full size SD slot wired to the MMC0 controller. In order to
> work, the MMC lines have to have the pull-ups enabled though.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
> arch/arm/boot/dts/sun6i-a31-colombus.dts | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun6i-a31-colombus.dts b/arch/arm/boot/dts/sun6i-a31-colombus.dts
> index 3898a7bce831..e2cf2f3646bf 100644
> --- a/arch/arm/boot/dts/sun6i-a31-colombus.dts
> +++ b/arch/arm/boot/dts/sun6i-a31-colombus.dts
> @@ -13,6 +13,7 @@
>
> /dts-v1/;
> /include/ "sun6i-a31.dtsi"
> +/include/ "sunxi-common-regulators.dtsi"
>
> / {
> model = "WITS A31 Colombus Evaluation Board";
> @@ -23,6 +24,32 @@
> };
>
> soc at 01c00000 {
> + mmc0: mmc at 01c0f000 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc0_pins_colombus>, <&mmc0_cd_pin_colombus>;
> + vmmc-supply = <®_vcc3v0>;
> + bus-width = <4>;
> + cd-gpios = <&pio 0 8 0>; /* PA8 */
> + cd-inverted;
> + status = "okay";
> + };
> +
> + pio: pinctrl at 01c20800 {
> + mmc0_pins_colombus: mmc0 at 0 {
> + allwinner,pins = "PF0","PF1","PF2","PF3","PF4","PF5";
> + allwinner,function = "mmc0";
> + allwinner,drive = <2>;
> + allwinner,pull = <1>;
> + };
You could just use mmc0_pins_a here and only set allwinner,pull.
Other then that both patches are:
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Regards,
Hans
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-05-20 20:55 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-05-20 15:47 [PATCH 1/2] ARM: sunxi: Add fixed 3V regulator Maxime Ripard
2014-05-20 15:47 ` [PATCH 2/2] ARM: sun6i: Add MMC0 controller to the Colombus board Maxime Ripard
2014-05-20 20:55 ` Hans de Goede
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).