arm64: dts: meson: fix mmc pin bias

Clk pin does not require bias, data strobe should be pulled low. The rest of the pin (data and cmd) are pulled up. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
mariux64 · May 21, 2019 · b43033b · b43033b
1 parent ffab3fd
commit b43033b
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Showing 4 changed files with 76 additions and 29 deletions.
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -482,8 +482,8 @@
 
 /* emmc storage */
 &sd_emmc_c {
-	status = "disabled";
-	pinctrl-0 = <&emmc_pins>;
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 	pinctrl-1 = <&emmc_clk_gate_pins>;
 	pinctrl-names = "default", "clk-gate";
 

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -299,7 +299,7 @@
 				};
 
 				emmc_pins: emmc {
-					mux {
+					mux-0 {
 						groups = "emmc_nand_d0",
 							 "emmc_nand_d1",
 							 "emmc_nand_d2",
@@ -308,14 +308,26 @@
 							 "emmc_nand_d5",
 							 "emmc_nand_d6",
 							 "emmc_nand_d7",
-							 "emmc_clk",
-							 "emmc_cmd",
-							 "emmc_ds";
+							 "emmc_cmd";
+						function = "emmc";
+						bias-pull-up;
+					};
+
+					mux-1 {
+						groups = "emmc_clk";
 						function = "emmc";
 						bias-disable;
 					};
 				};
 
+				emmc_ds_pins: emmc_ds {
+					mux {
+						groups = "emmc_ds";
+						function = "emmc";
+						bias-pull-down;
+					};
+				};
+
 				emmc_clk_gate_pins: emmc_clk_gate {
 					mux {
 						groups = "BOOT_8";
@@ -559,13 +571,18 @@
 				};
 
 				sdio_pins: sdio {
-					mux {
+					mux-0 {
 						groups = "sdio_d0",
 							 "sdio_d1",
 							 "sdio_d2",
 							 "sdio_d3",
-							 "sdio_cmd",
-							 "sdio_clk";
+							 "sdio_cmd";
+						function = "sdio";
+						bias-pull-up;
+					};
+
+					mux-1 {
+						groups = "sdio_clk";
 						function = "sdio";
 						bias-disable;
 					};

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -381,10 +381,15 @@
 		};
 
 		emmc_pins: emmc {
-			mux {
+			mux-0 {
 				groups = "emmc_nand_d07",
-				       "emmc_cmd",
-				       "emmc_clk";
+				       "emmc_cmd";
+				function = "emmc";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "emmc_clk";
 				function = "emmc";
 				bias-disable;
 			};
@@ -394,7 +399,7 @@
 			mux {
 				groups = "emmc_ds";
 				function = "emmc";
-				bias-disable;
+				bias-pull-down;
 			};
 		};
 
@@ -436,13 +441,18 @@
 		};
 
 		sdcard_pins: sdcard {
-			mux {
+			mux-0 {
 				groups = "sdcard_d0",
 				       "sdcard_d1",
 				       "sdcard_d2",
 				       "sdcard_d3",
-				       "sdcard_cmd",
-				       "sdcard_clk";
+				       "sdcard_cmd";
+				function = "sdcard";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdcard_clk";
 				function = "sdcard";
 				bias-disable;
 			};
@@ -457,13 +467,18 @@
 		};
 
 		sdio_pins: sdio {
-			mux {
+			mux-0 {
 				groups = "sdio_d0",
 				       "sdio_d1",
 				       "sdio_d2",
 				       "sdio_d3",
-				       "sdio_cmd",
-				       "sdio_clk";
+				       "sdio_cmd";
+				function = "sdio";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdio_clk";
 				function = "sdio";
 				bias-disable;
 			};

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -326,10 +326,15 @@
 		};
 
 		emmc_pins: emmc {
-			mux {
+			mux-0 {
 				groups = "emmc_nand_d07",
-				       "emmc_cmd",
-				       "emmc_clk";
+				       "emmc_cmd";
+				function = "emmc";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "emmc_clk";
 				function = "emmc";
 				bias-disable;
 			};
@@ -339,7 +344,7 @@
 			mux {
 				groups = "emmc_ds";
 				function = "emmc";
-				bias-disable;
+				bias-pull-down;
 			};
 		};
 
@@ -381,13 +386,18 @@
 		};
 
 		sdcard_pins: sdcard {
-			mux {
+			mux-0 {
 				groups = "sdcard_d0",
 				       "sdcard_d1",
 				       "sdcard_d2",
 				       "sdcard_d3",
-				       "sdcard_cmd",
-				       "sdcard_clk";
+				       "sdcard_cmd";
+				function = "sdcard";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdcard_clk";
 				function = "sdcard";
 				bias-disable;
 			};
@@ -402,13 +412,18 @@
 		};
 
 		sdio_pins: sdio {
-			mux {
+			mux-0 {
 				groups = "sdio_d0",
 				       "sdio_d1",
 				       "sdio_d2",
 				       "sdio_d3",
-				       "sdio_cmd",
-				       "sdio_clk";
+				       "sdio_cmd";
+				function = "sdio";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdio_clk";
 				function = "sdio";
 				bias-disable;
 			};