The pinmux is specified in am335x-bone-common.dtsi to be reused by the eMMC
cape.
Signed-off-by: Koen Kooi <k...@dominion.thruhere.net>
---
Changes since v2:
add missing pinmux entries
Changes since v1:
dropped the ti,non-removable entry per Sekhars request
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 ced256c..cfec441 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -112,6 +112,21 @@
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 {
@@ -241,6 +256,13 @@
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;
+};
+
--
1.8.2.1
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