[PATCH V3 05/14] ARM: dts: stm32: Repair SDMMC2 operation

Marek Vasut marex at denx.de
Tue Mar 31 19:51:27 CEST 2020


The eMMC uses different pinmux for the top four data lines, use such
a pinmux, otherwise it takes a very long time until the test for 8bit
operation times out. And this is the correct pinmux per schematic too.

Reviewed-by: Patrice Chotard <patrice.chotard at st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
---
V2: Update also the -u-boot.dtsi to match this change
V3: No change
---
 arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi | 2 +-
 arch/arm/dts/stm32mp157a-avenger96.dts         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi
index 47bfbb8d77..2c7dc509a3 100644
--- a/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi
@@ -174,7 +174,7 @@
 	};
 };
 
-&sdmmc2_d47_pins_a {
+&sdmmc2_d47_pins_b {
 	u-boot,dm-spl;
 	pins {
 		u-boot,dm-spl;
diff --git a/arch/arm/dts/stm32mp157a-avenger96.dts b/arch/arm/dts/stm32mp157a-avenger96.dts
index 1e9b45b69d..3fca1ed56d 100644
--- a/arch/arm/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/dts/stm32mp157a-avenger96.dts
@@ -327,7 +327,7 @@
 
 &sdmmc2 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
 	non-removable;
 	no-sd;
 	no-sdio;
-- 
2.25.1



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