From: Patrice Chotard <patrice.chot...@st.com>

Fix the following DT dtc warnings for stm32f746 and stm32f769
boards:

Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins_a@0: Character 
'_' not recommended in node name
Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins_od_a@0: 
Character '_' not recommended in node name
Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins_b@0: Character 
'_' not recommended in node name
Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins_od_b@0: 
Character '_' not recommended in node name
Warning (node_name_chars_strict): /gpio_keys: Character '_' not recommended in 
node name
Warning (node_name_chars_strict): /mmc_vcard: Character '_' not recommended in 
node name
Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but 
no unit name
Warning (unit_address_vs_reg): /soc/pin-controller: node has a reg or ranges 
property, but no unit name
Warning (unit_address_vs_reg): /soc/pin-controller/cec@0: node has a unit name, 
but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/usart1@0: node has a unit 
name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/i2c1@0: node has a unit 
name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/usbotg-hs@0: node has a unit 
name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/usbotg-hs@1: node has a unit 
name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/usbotg-fs@0: node has a unit 
name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins_a@0: node has a 
unit name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins_od_a@0: node has a 
unit name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins_b@0: node has a 
unit name, but no reg property
Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins_od_b@0: node has a 
unit name, but no reg property
Warning (unit_address_vs_reg): /gpio_keys/button@0: node has a unit name, but 
no reg property
Warning (avoid_unnecessary_addr_size): /soc/timers@40001c00: unnecessary 
#address-cells/#size-cells without "ranges" or child "reg" property
Warning (avoid_unnecessary_addr_size): /soc/timers@40002000: unnecessary 
#address-cells/#size-cells without "ranges" or child "reg" property
Warning (avoid_unnecessary_addr_size): /soc/timers@40014400: unnecessary 
#address-cells/#size-cells without "ranges" or child "reg" property
Warning (avoid_unnecessary_addr_size): /soc/timers@40014800: unnecessary 
#address-cells/#size-cells without "ranges" or child "reg" property

Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
 arch/arm/boot/dts/stm32746g-eval.dts   |  9 ++++-----
 arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 24 ++++++++++++------------
 arch/arm/boot/dts/stm32f746-disco.dts  |  6 +++---
 arch/arm/boot/dts/stm32f746.dtsi       |  8 +++-----
 arch/arm/boot/dts/stm32f769-disco.dts  | 11 +++++------
 5 files changed, 27 insertions(+), 31 deletions(-)

diff --git a/arch/arm/boot/dts/stm32746g-eval.dts 
b/arch/arm/boot/dts/stm32746g-eval.dts
index 8c081eaf20fe..a2edf6fccc2c 100644
--- a/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -54,7 +54,7 @@
                stdout-path = "serial0:115200n8";
        };
 
-       memory {
+       memory@c0000000 {
                reg = <0xc0000000 0x2000000>;
        };
 
@@ -73,12 +73,11 @@
                };
        };
 
-       gpio_keys {
+       gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
                #size-cells = <0>;
                autorepeat;
-               button@0 {
+               button {
                        label = "Wake up";
                        linux,code = <KEY_WAKEUP>;
                        gpios = <&gpioc 13 0>;
@@ -92,7 +91,7 @@
                clock-names = "main_clk";
        };
 
-       mmc_vcard: mmc_vcard {
+       mmc_vcard: mmc-vcard {
                compatible = "regulator-fixed";
                regulator-name = "mmc_vcard";
                regulator-min-microvolt = <3300000>;
diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi 
b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
index 9314128df185..702f1c12c22b 100644
--- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
@@ -9,7 +9,7 @@
 
 / {
        soc {
-               pinctrl: pin-controller {
+               pinctrl: pin-controller@40020000 {
                        #address-cells = <1>;
                        #size-cells = <1>;
                        ranges = <0 0x40020000 0x3000>;
@@ -127,7 +127,7 @@
                                st,bank-name = "GPIOK";
                        };
 
-                       cec_pins_a: cec@0 {
+                       cec_pins_a: cec {
                                pins {
                                        pinmux = <STM32_PINMUX('A', 15, AF4)>; 
/* HDMI CEC */
                                        slew-rate = <0>;
@@ -136,7 +136,7 @@
                                };
                        };
 
-                       usart1_pins_a: usart1@0 {
+                       usart1_pins_a: usart1-a {
                                pins1 {
                                        pinmux = <STM32_PINMUX('A', 9, AF7)>; 
/* USART1_TX */
                                        bias-disable;
@@ -149,7 +149,7 @@
                                };
                        };
 
-                       usart1_pins_b: usart1@1 {
+                       usart1_pins_b: usart1-b {
                                pins1 {
                                        pinmux = <STM32_PINMUX('A', 9, AF7)>; 
/* USART1_TX */
                                        bias-disable;
@@ -162,7 +162,7 @@
                                };
                        };
 
-                       i2c1_pins_b: i2c1@0 {
+                       i2c1_pins_b: i2c1 {
                                pins {
                                        pinmux = <STM32_PINMUX('B', 9, AF4)>, 
/* I2C1 SDA */
                                                 <STM32_PINMUX('B', 8, AF4)>; 
/* I2C1 SCL */
@@ -172,7 +172,7 @@
                                };
                        };
 
-                       usbotg_hs_pins_a: usbotg-hs@0 {
+                       usbotg_hs_pins_a: usbotg-hs-a {
                                pins {
                                        pinmux = <STM32_PINMUX('H', 4, AF10)>, 
/* OTG_HS_ULPI_NXT */
                                                 <STM32_PINMUX('I', 11, AF10)>, 
/* OTG_HS_ULPI_DIR */
@@ -192,7 +192,7 @@
                                };
                        };
 
-                       usbotg_hs_pins_b: usbotg-hs@1 {
+                       usbotg_hs_pins_b: usbotg-hs-b {
                                pins {
                                        pinmux = <STM32_PINMUX('H', 4, AF10)>, 
/* OTG_HS_ULPI_NXT */
                                                 <STM32_PINMUX('C', 2, AF10)>, 
/* OTG_HS_ULPI_DIR */
@@ -212,7 +212,7 @@
                                };
                        };
 
-                       usbotg_fs_pins_a: usbotg-fs@0 {
+                       usbotg_fs_pins_a: usbotg-fs {
                                pins {
                                        pinmux = <STM32_PINMUX('A', 10, AF10)>, 
/* OTG_FS_ID */
                                                 <STM32_PINMUX('A', 11, AF10)>, 
/* OTG_FS_DM */
@@ -223,7 +223,7 @@
                                };
                        };
 
-                       sdio_pins_a: sdio_pins_a@0 {
+                       sdio_pins_a: sdio-pins-a {
                                pins {
                                        pinmux = <STM32_PINMUX('C', 8, AF12)>, 
/* SDMMC1 D0 */
                                                 <STM32_PINMUX('C', 9, AF12)>, 
/* SDMMC1 D1 */
@@ -236,7 +236,7 @@
                                };
                        };
 
-                       sdio_pins_od_a: sdio_pins_od_a@0 {
+                       sdio_pins_od_a: sdio-pins-od-a {
                                pins1 {
                                        pinmux = <STM32_PINMUX('C', 8, AF12)>, 
/* SDMMC1 D0 */
                                                 <STM32_PINMUX('C', 9, AF12)>, 
/* SDMMC1 D1 */
@@ -254,7 +254,7 @@
                                };
                        };
 
-                       sdio_pins_b: sdio_pins_b@0 {
+                       sdio_pins_b: sdio-pins-b {
                                pins {
                                        pinmux = <STM32_PINMUX('G', 9, AF11)>, 
/* SDMMC2 D0 */
                                                 <STM32_PINMUX('G', 10, AF11)>, 
/* SDMMC2 D1 */
@@ -267,7 +267,7 @@
                                };
                        };
 
-                       sdio_pins_od_b: sdio_pins_od_b@0 {
+                       sdio_pins_od_b: sdio-pins-od-b {
                                pins1 {
                                        pinmux = <STM32_PINMUX('G', 9, AF11)>, 
/* SDMMC2 D0 */
                                                 <STM32_PINMUX('G', 10, AF11)>, 
/* SDMMC2 D1 */
diff --git a/arch/arm/boot/dts/stm32f746-disco.dts 
b/arch/arm/boot/dts/stm32f746-disco.dts
index f9ad71f7c807..ccf9321926a4 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -55,8 +55,8 @@
                stdout-path = "serial0:115200n8";
        };
 
-       memory {
-               reg = <0xC0000000 0x800000>;
+       memory@c0000000 {
+               reg = <0xc0000000 0x800000>;
        };
 
        aliases {
@@ -78,7 +78,7 @@
                regulator-always-on;
        };
 
-       mmc_vcard: mmc_vcard {
+       mmc_vcard: mmc-vcard {
                compatible = "regulator-fixed";
                regulator-name = "mmc_vcard";
                regulator-min-microvolt = <3300000>;
diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 1479e3eb05fa..18272dc4e2ca 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -40,12 +40,14 @@
  *     OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "skeleton.dtsi"
 #include "armv7-m.dtsi"
 #include <dt-bindings/clock/stm32fx-clock.h>
 #include <dt-bindings/mfd/stm32f7-rcc.h>
 
 / {
+       #address-cells = <1>;
+       #size-cells = <1>;
+
        clocks {
                clk_hse: clk-hse {
                        #clock-cells = <0>;
@@ -258,7 +260,6 @@
                };
 
                timers13: timers@40001c00 {
-                       #address-cells = <1>;
                        #size-cells = <0>;
                        compatible = "st,stm32-timers";
                        reg = <0x40001C00 0x400>;
@@ -273,7 +274,6 @@
                };
 
                timers14: timers@40002000 {
-                       #address-cells = <1>;
                        #size-cells = <0>;
                        compatible = "st,stm32-timers";
                        reg = <0x40002000 0x400>;
@@ -521,7 +521,6 @@
                };
 
                timers10: timers@40014400 {
-                       #address-cells = <1>;
                        #size-cells = <0>;
                        compatible = "st,stm32-timers";
                        reg = <0x40014400 0x400>;
@@ -536,7 +535,6 @@
                };
 
                timers11: timers@40014800 {
-                       #address-cells = <1>;
                        #size-cells = <0>;
                        compatible = "st,stm32-timers";
                        reg = <0x40014800 0x400>;
diff --git a/arch/arm/boot/dts/stm32f769-disco.dts 
b/arch/arm/boot/dts/stm32f769-disco.dts
index 677276ba4dbe..d77300101e09 100644
--- a/arch/arm/boot/dts/stm32f769-disco.dts
+++ b/arch/arm/boot/dts/stm32f769-disco.dts
@@ -55,8 +55,8 @@
                stdout-path = "serial0:115200n8";
        };
 
-       memory {
-               reg = <0xC0000000 0x1000000>;
+       memory@c0000000 {
+               reg = <0xc0000000 0x1000000>;
        };
 
        aliases {
@@ -74,12 +74,11 @@
                };
        };
 
-       gpio_keys {
+       gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
                #size-cells = <0>;
                autorepeat;
-               button@0 {
+               button {
                        label = "User";
                        linux,code = <KEY_HOME>;
                        gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
@@ -93,7 +92,7 @@
                clock-names = "main_clk";
        };
 
-       mmc_vcard: mmc_vcard {
+       mmc_vcard: mmc-vcard {
                compatible = "regulator-fixed";
                regulator-name = "mmc_vcard";
                regulator-min-microvolt = <3300000>;
-- 
1.9.1

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