diff mbox

[v4,2/4] ARM: dts: am335x-boneblack: add eMMC DT entry

Message ID 1379010935-25943-3-git-send-email-koen@dominion.thruhere.net (mailing list archive)
State New, archived
Headers show

Commit Message

Koen Kooi Sept. 12, 2013, 6:35 p.m. UTC 
The pinmux is specified in am335x-bone-common.dtsi to be reused by the eMMC cape.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
 arch/arm/boot/dts/am335x-bone-common.dtsi | 22 ++++++++++++++++++++++
 arch/arm/boot/dts/am335x-boneblack.dts    | 14 ++++++++++++++
 2 files changed, 36 insertions(+)

Comments

Tony Lindgren Sept. 13, 2013, 3:27 p.m. UTC | #1 
* Koen Kooi <koen@dominion.thruhere.net> [130912 11:43]:
> The pinmux is specified in am335x-bone-common.dtsi to be reused by the eMMC cape.
> 
> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
> ---
>  arch/arm/boot/dts/am335x-bone-common.dtsi | 22 ++++++++++++++++++++++
>  arch/arm/boot/dts/am335x-boneblack.dts    | 14 ++++++++++++++
>  2 files changed, 36 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
> index 0d95d54..bc8d1a2 100644
> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
> @@ -113,6 +113,21 @@
>  				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
>  			>;
>  		};
> +
> +		emmc_pins: pinmux_emmc_pins {
> +			pinctrl-single,pins = <
> +				0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk, INPUT_PULLUP | MODE2 */
> +				0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd, INPUT_PULLUP | MODE2 */
> +				0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0, INPUT_PULLUP | MODE1 */
> +				0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1, INPUT_PULLUP | MODE1 */
> +				0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2, INPUT_PULLUP | MODE1 */
> +				0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3, INPUT_PULLUP | MODE1 */
> +				0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4, INPUT_PULLUP | MODE1 */
> +				0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5, INPUT_PULLUP | MODE1 */
> +				0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6, INPUT_PULLUP | MODE1 */
> +				0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7, INPUT_PULLUP | MODE1 */
> +			>;
> +		};
>  	};
>  
>  	ocp {

Here you can now use just the defines to make it a bit shorter:

0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */

Regards,

Tony
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Benoit Cousson Sept. 17, 2013, 1:26 p.m. UTC | #2 
Hi Tony,

On 13/09/2013 17:27, Tony Lindgren wrote:
> * Koen Kooi <koen@dominion.thruhere.net> [130912 11:43]:
>> The pinmux is specified in am335x-bone-common.dtsi to be reused by the eMMC cape.
>>
>> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
>> ---
>>   arch/arm/boot/dts/am335x-bone-common.dtsi | 22 ++++++++++++++++++++++
>>   arch/arm/boot/dts/am335x-boneblack.dts    | 14 ++++++++++++++
>>   2 files changed, 36 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
>> index 0d95d54..bc8d1a2 100644
>> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
>> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
>> @@ -113,6 +113,21 @@
>>   				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
>>   			>;
>>   		};
>> +
>> +		emmc_pins: pinmux_emmc_pins {
>> +			pinctrl-single,pins = <
>> +				0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk, INPUT_PULLUP | MODE2 */
>> +				0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd, INPUT_PULLUP | MODE2 */
>> +				0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0, INPUT_PULLUP | MODE1 */
>> +				0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1, INPUT_PULLUP | MODE1 */
>> +				0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2, INPUT_PULLUP | MODE1 */
>> +				0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3, INPUT_PULLUP | MODE1 */
>> +				0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4, INPUT_PULLUP | MODE1 */
>> +				0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5, INPUT_PULLUP | MODE1 */
>> +				0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6, INPUT_PULLUP | MODE1 */
>> +				0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7, INPUT_PULLUP | MODE1 */
>> +			>;
>> +		};
>>   	};
>>
>>   	ocp {
>
> Here you can now use just the defines to make it a bit shorter:
>
> 0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */

Considering that Koen has just disappeared for a 3 weeks honeymoon, I'll 
fix the patch. GIT does complain about various trailing spaces and end 
of file issue for this patch as well :-(

Regards,
Benoit

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diff mbox

Patch

diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index 0d95d54..bc8d1a2 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -113,6 +113,21 @@ 
 				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
 			>;
 		};
+
+		emmc_pins: pinmux_emmc_pins {
+			pinctrl-single,pins = <
+				0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk, INPUT_PULLUP | MODE2 */
+				0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd, INPUT_PULLUP | MODE2 */
+				0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0, INPUT_PULLUP | MODE1 */
+				0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1, INPUT_PULLUP | MODE1 */
+				0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2, INPUT_PULLUP | MODE1 */
+				0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3, INPUT_PULLUP | MODE1 */
+				0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4, INPUT_PULLUP | MODE1 */
+				0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5, INPUT_PULLUP | MODE1 */
+				0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6, INPUT_PULLUP | MODE1 */
+				0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7, INPUT_PULLUP | MODE1 */
+			>;
+		};
 	};
 
 	ocp {
@@ -242,6 +257,13 @@ 
 			regulator-always-on;
 		};
 	};
+
+	vmmcsd_fixed: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmcsd_fixed";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &cpsw_emac0 {
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 197cadf..f4703cf 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -15,3 +15,17 @@ 
 	regulator-max-microvolt = <1800000>;
 	regulator-always-on;
 };
+
+&mmc1 { 
+	vmmc-supply = <&vmmcsd_fixed>;
+};
+
+&mmc2 { 
+	vmmc-supply = <&vmmcsd_fixed>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_pins>;
+	bus-width = <8>;
+	status = "okay";
+	ti,vcc-aux-disable-is-sleep;
+};
+