From: Ronald Claveau <linux-kernel-dev@aliel.fr>
Date: Thu, 26 Mar 2026 09:59:12 +0000 (+0100)
Subject: arm64: dts: amlogic: t7: Add eMMC, SD card and SDIO pinctrl nodes
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3535303d5df2be93a0a8c17621d14af39fc72e2f;p=thirdparty%2Flinux.git

arm64: dts: amlogic: t7: Add eMMC, SD card and SDIO pinctrl nodes

These pinctrl nodes are required by the eMMC, SD card and SDIO drivers
to configure pin muxing at runtime.

- eMMC: control, 4-bit/8-bit data, data strobe and clock gate pins
- SD card: data, clock, command and clock gate pins
- SDIO: data, clock, command and clock gate pins

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260326-add-emmc-t7-vim4-v5-1-d3f182b48e9d@aliel.fr
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index d523cbc0ed22a..4a2220e597430 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
@@ -252,6 +252,104 @@
 					#gpio-cells = <2>;
 					gpio-ranges = <&periphs_pinctrl 0 0 157>;
 				};
+
+				emmc_ctrl_pins: emmc-ctrl {
+					mux-0 {
+						groups = "emmc_cmd";
+						function = "emmc";
+						bias-pull-up;
+					};
+
+					mux-1 {
+						groups = "emmc_clk";
+						function = "emmc";
+						bias-disable;
+					};
+				};
+
+				emmc_data_4b_pins: emmc-data-4b {
+					mux {
+						groups = "emmc_nand_d0",
+							 "emmc_nand_d1",
+							 "emmc_nand_d2",
+							 "emmc_nand_d3";
+						function = "emmc";
+						bias-pull-up;
+					};
+				};
+
+				emmc_data_8b_pins: emmc-data-8b {
+					mux {
+						groups = "emmc_nand_d0",
+							 "emmc_nand_d1",
+							 "emmc_nand_d2",
+							 "emmc_nand_d3",
+							 "emmc_nand_d4",
+							 "emmc_nand_d5",
+							 "emmc_nand_d6",
+							 "emmc_nand_d7";
+						function = "emmc";
+						bias-pull-up;
+					};
+				};
+
+				emmc_ds_pins: emmc-ds {
+					mux {
+						groups = "emmc_nand_ds";
+						function = "emmc";
+						bias-pull-down;
+					};
+				};
+
+				emmc_clk_gate_pins: emmc-clk-gate {
+					mux {
+						groups = "GPIOB_8";
+						function = "gpio_periphs";
+						bias-pull-down;
+					};
+				};
+
+				sdcard_pins: sdcard {
+					mux {
+						groups = "sdcard_d0",
+							 "sdcard_d1",
+							 "sdcard_d2",
+							 "sdcard_d3",
+							 "sdcard_clk",
+							 "sdcard_cmd";
+						function = "sdcard";
+						bias-pull-up;
+					};
+				};
+
+				sdcard_clk_gate_pins: sdcard-clk-gate {
+					mux {
+						groups = "GPIOC_4";
+						function = "gpio_periphs";
+						bias-pull-down;
+					};
+				};
+
+				sdio_pins: sdio {
+					mux {
+						groups = "sdio_d0",
+							 "sdio_d1",
+							 "sdio_d2",
+							 "sdio_d3",
+							 "sdio_clk",
+							 "sdio_cmd";
+						function = "sdio";
+						bias-pull-up;
+					};
+				};
+
+				sdio_clk_gate_pins: sdio-clk-gate {
+					mux {
+						groups = "GPIOX_4";
+						function = "gpio_periphs";
+						bias-pull-up;
+					};
+				};
 			};
 
 			gpio_intc: interrupt-controller@4080 {