[Linux-stm32] [PATCH V5 09/20] ARM: dts: stm32: Add eMMC attached to SDMMC2 on AV96
Marek Vasut
marex at denx.de
Wed Apr 22 10:46:02 UTC 2020
Add DT node describing the eMMC attached to SDMMC2 controller
of the STM32MP1 on DHCOR SoM, which is the SoM soldered on AV96.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: linux-stm32 at st-md-mailman.stormreply.com
To: linux-arm-kernel at lists.infradead.org
---
V2: No change
V3: Connect Vcc to the enpirion output instead of 3v3 directly
Note that this patch now depends on:
mmc: mmci: Only call .post_sig_volt_switch if voltage switch happened
V4: Rebase on stm32-next
V5: No change
---
arch/arm/boot/dts/stm32mp157a-avenger96.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
index 1219e2b35c50..811cc4aff2a5 100644
--- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
@@ -338,6 +338,22 @@ &sdmmc1 {
status = "okay";
};
+&sdmmc2 {
+ pinctrl-names = "default", "opendrain", "sleep";
+ pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
+ pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
+ pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
+ bus-width = <8>;
+ mmc-ddr-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ st,neg-edge;
+ vmmc-supply = <&v3v3>;
+ vqmmc-supply = <&vdd_io>;
+ status = "okay";
+};
+
&uart4 {
/* On Low speed expansion header */
label = "LS-UART1";
--
2.25.1
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