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From 666df2f025fbaf1c82dfdb31d28be973833c6257 Mon Sep 17 00:00:00 2001
From: Valentine Barshak <valentine.barshak@cogentembedded.com>
Date: Sat, 3 Aug 2019 00:49:38 +0300
Subject: [PATCH 12/23] ARM: dts: r8a77970: eagle: Add eMMC support
The Eagle platform supports an expansion board with
the eMMC device on it. This Adds eMMC device node
to Eagle device tree.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
arch/arm/dts/r8a77970-eagle.dts | 44 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/arch/arm/dts/r8a77970-eagle.dts b/arch/arm/dts/r8a77970-eagle.dts
index b6d5332..49b3359 100644
--- a/arch/arm/dts/r8a77970-eagle.dts
+++ b/arch/arm/dts/r8a77970-eagle.dts
@@ -73,6 +73,24 @@
};
};
};
+
+ vcc_3v3: regulator0 {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-VCC3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ vcc_vddq_vin0: regulator1 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC-VDDQ-VIN0";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&avb {
@@ -157,6 +175,20 @@
};
};
+&mmc0 {
+ /* used for on-board eMMC */
+ pinctrl-0 = <&mmc_pins>;
+ pinctrl-1 = <&mmc_pins_uhs>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc_vddq_vin0>;
+ mmc-hs200-1_8v;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
&pfc {
avb_pins: avb0 {
groups = "avb0_mdio", "avb0_rgmii", "avb0_txcrefclk";
@@ -173,6 +205,18 @@
function = "i2c0";
};
+ mmc_pins: mmc {
+ groups = "mmc_data8", "mmc_ctrl";
+ function = "mmc";
+ power-source = <1800>;
+ };
+
+ mmc_pins_uhs: mmc_uhs {
+ groups = "mmc_data8", "mmc_ctrl";
+ function = "mmc";
+ power-source = <1800>;
+ };
+
scif0_pins: scif0 {
groups = "scif0_data";
function = "scif0";
--
2.7.4
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