From 0382bf82fe7aa050c5b3e1857e5095f76dc3ab5a Mon Sep 17 00:00:00 2001
From: Yann Gautier <yann.gautier@st.com>
Date: Wed, 6 Nov 2019 11:09:37 +0100
Subject: ARM: dts: stm32: enable sdmmc2 node for stm32mp157c-ed1 board

On STM32MP157C-ED1, the eMMC is connected on instance 2 of SDMMC
peripheral. The sdmmc2 node is then added in the board DT file, as well as
the pins nodes in the pinctrl file.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---
 arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 118 ++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)

(limited to 'arch/arm/boot/dts/stm32mp157-pinctrl.dtsi')

diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index e186b8499a2b..bdd4113f473e 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -935,6 +935,124 @@
 				};
 			};
 
+			sdmmc2_b4_pins_a: sdmmc2-b4-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+						 <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */
+						 <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-pull-up;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+					slew-rate = <2>;
+					drive-push-pull;
+					bias-pull-up;
+				};
+			};
+
+			sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+						 <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-pull-up;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+					slew-rate = <2>;
+					drive-push-pull;
+					bias-pull-up;
+				};
+				pins3 {
+					pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+					slew-rate = <1>;
+					drive-open-drain;
+					bias-pull-up;
+				};
+			};
+
+			sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 {
+				pins {
+					pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC2_D0 */
+						 <STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC2_D1 */
+						 <STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC2_D2 */
+						 <STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC2_D3 */
+						 <STM32_PINMUX('E', 3, ANALOG)>, /* SDMMC2_CK */
+						 <STM32_PINMUX('G', 6, ANALOG)>; /* SDMMC2_CMD */
+				};
+			};
+
+			sdmmc2_b4_pins_b: sdmmc2-b4-1 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+						 <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */
+						 <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-disable;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+					slew-rate = <2>;
+					drive-push-pull;
+					bias-disable;
+				};
+			};
+
+			sdmmc2_b4_od_pins_b: sdmmc2-b4-od-1 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+						 <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+						 <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+						 <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-disable;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+					slew-rate = <2>;
+					drive-push-pull;
+					bias-disable;
+				};
+				pins3 {
+					pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+					slew-rate = <1>;
+					drive-open-drain;
+					bias-disable;
+				};
+			};
+
+			sdmmc2_d47_pins_a: sdmmc2-d47-0 {
+				pins {
+					pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
+						 <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
+						 <STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */
+						 <STM32_PINMUX('D', 3, AF9)>; /* SDMMC2_D7 */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-pull-up;
+				};
+			};
+
+			sdmmc2_d47_sleep_pins_a: sdmmc2-d47-sleep-0 {
+				pins {
+					pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */
+						 <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */
+						 <STM32_PINMUX('E', 5, ANALOG)>, /* SDMMC2_D6 */
+						 <STM32_PINMUX('D', 3, ANALOG)>; /* SDMMC2_D7 */
+				};
+			};
+
 			spdifrx_pins_a: spdifrx-0 {
 				pins {
 					pinmux = <STM32_PINMUX('G', 12, AF8)>; /* SPDIF_IN1 */
-- 
cgit