diff --git a/dts/st/f1/stm32f103r(c-d-e)tx-pinctrl.dtsi b/dts/st/f1/stm32f103r(c-d-e)tx-pinctrl.dtsi
index 3f8611970..52772bd06 100644
--- a/dts/st/f1/stm32f103r(c-d-e)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103r(c-d-e)tx-pinctrl.dtsi
@@ -488,6 +488,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103r(c-d-e)yx-pinctrl.dtsi b/dts/st/f1/stm32f103r(c-d-e)yx-pinctrl.dtsi
index e1912f25d..3f6db3840 100644
--- a/dts/st/f1/stm32f103r(c-d-e)yx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103r(c-d-e)yx-pinctrl.dtsi
@@ -472,6 +472,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103r(f-g)tx-pinctrl.dtsi b/dts/st/f1/stm32f103r(f-g)tx-pinctrl.dtsi
index 45a20b8a5..f456880c9 100644
--- a/dts/st/f1/stm32f103r(f-g)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103r(f-g)tx-pinctrl.dtsi
@@ -488,6 +488,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103v(c-d-e)hx-pinctrl.dtsi b/dts/st/f1/stm32f103v(c-d-e)hx-pinctrl.dtsi
index d2752861f..eb700c080 100644
--- a/dts/st/f1/stm32f103v(c-d-e)hx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103v(c-d-e)hx-pinctrl.dtsi
@@ -612,6 +612,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103v(c-d-e)tx-pinctrl.dtsi b/dts/st/f1/stm32f103v(c-d-e)tx-pinctrl.dtsi
index d2752861f..eb700c080 100644
--- a/dts/st/f1/stm32f103v(c-d-e)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103v(c-d-e)tx-pinctrl.dtsi
@@ -612,6 +612,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103v(f-g)tx-pinctrl.dtsi b/dts/st/f1/stm32f103v(f-g)tx-pinctrl.dtsi
index afbcf8707..3b9a29f93 100644
--- a/dts/st/f1/stm32f103v(f-g)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103v(f-g)tx-pinctrl.dtsi
@@ -612,6 +612,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103z(c-d-e)hx-pinctrl.dtsi b/dts/st/f1/stm32f103z(c-d-e)hx-pinctrl.dtsi
index 6a1e2ead3..8492466ea 100644
--- a/dts/st/f1/stm32f103z(c-d-e)hx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103z(c-d-e)hx-pinctrl.dtsi
@@ -760,6 +760,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103z(c-d-e)tx-pinctrl.dtsi b/dts/st/f1/stm32f103z(c-d-e)tx-pinctrl.dtsi
index 6a1e2ead3..8492466ea 100644
--- a/dts/st/f1/stm32f103z(c-d-e)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103z(c-d-e)tx-pinctrl.dtsi
@@ -760,6 +760,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103z(f-g)hx-pinctrl.dtsi b/dts/st/f1/stm32f103z(f-g)hx-pinctrl.dtsi
index b454dae9e..a61a70109 100644
--- a/dts/st/f1/stm32f103z(f-g)hx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103z(f-g)hx-pinctrl.dtsi
@@ -760,6 +760,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/dts/st/f1/stm32f103z(f-g)tx-pinctrl.dtsi b/dts/st/f1/stm32f103z(f-g)tx-pinctrl.dtsi
index b454dae9e..a61a70109 100644
--- a/dts/st/f1/stm32f103z(f-g)tx-pinctrl.dtsi
+++ b/dts/st/f1/stm32f103z(f-g)tx-pinctrl.dtsi
@@ -760,6 +760,58 @@
 				pinmux = <STM32F1_PINMUX('A', 8, ALTERNATE, NO_REMAP)>;
 			};
 
+			/* SDIO */
+
+			/omit-if-no-ref/ sdio_d4_pb8: sdio_d4_pb8 {
+				pinmux = <STM32F1_PINMUX('B', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d5_pb9: sdio_d5_pb9 {
+				pinmux = <STM32F1_PINMUX('B', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d6_pc6: sdio_d6_pc6 {
+				pinmux = <STM32F1_PINMUX('C', 6, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d7_pc7: sdio_d7_pc7 {
+				pinmux = <STM32F1_PINMUX('C', 7, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d0_pc8: sdio_d0_pc8 {
+				pinmux = <STM32F1_PINMUX('C', 8, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d1_pc9: sdio_d1_pc9 {
+				pinmux = <STM32F1_PINMUX('C', 9, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d2_pc10: sdio_d2_pc10 {
+				pinmux = <STM32F1_PINMUX('C', 10, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_d3_pc11: sdio_d3_pc11 {
+				pinmux = <STM32F1_PINMUX('C', 11, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_ck_pc12: sdio_ck_pc12 {
+				pinmux = <STM32F1_PINMUX('C', 12, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
+			/omit-if-no-ref/ sdio_cmd_pd2: sdio_cmd_pd2 {
+				pinmux = <STM32F1_PINMUX('D', 2, ALTERNATE, NO_REMAP)>;
+				slew-rate = "max-speed-50mhz";
+			};
+
 			/* SPI_MASTER_MISO */
 
 			/omit-if-no-ref/ spi1_miso_master_pa6: spi1_miso_master_pa6 {
diff --git a/scripts/genpinctrl/stm32f1-pinctrl-config.yaml b/scripts/genpinctrl/stm32f1-pinctrl-config.yaml
index 7398d9911..6ac032128 100644
--- a/scripts/genpinctrl/stm32f1-pinctrl-config.yaml
+++ b/scripts/genpinctrl/stm32f1-pinctrl-config.yaml
@@ -255,3 +255,8 @@
 - name: USB
   match: "^USB_(?:DM)?(?:DP)?$"
   mode: input
+
+- name: SDIO
+  match: "^SDIO_(?:CK)?(?:CKIN)?(?:CDIR)?(?:CMD)?(?:D\\d+)?(?:D0DIR)?(?:D123DIR)?$"
+  mode: alternate
+  slew-rate: max-speed-50mhz