From 5a70a8a42bbba3452f70dbd0c0e2ecb5d79a2170 Mon Sep 17 00:00:00 2001
From: ColorfulRhino <131405023+ColorfulRhino@users.noreply.github.com>
Date: Mon, 8 Apr 2024 18:53:41 +0200
Subject: [PATCH] board: cm3588-nas: Add detailed GPIO labels

Reference was the official CM3588 NAS schematic revision 2309. Some GPIOs like USB, sdmmc or SPI-NOR are not listed.
---
 .../dt/rk3588-nanopc-cm3588-nas.dts           | 134 ++++++++++--------
 1 file changed, 78 insertions(+), 56 deletions(-)

diff --git a/patch/kernel/rockchip-rk3588-edge/dt/rk3588-nanopc-cm3588-nas.dts b/patch/kernel/rockchip-rk3588-edge/dt/rk3588-nanopc-cm3588-nas.dts
index 47ad1e5aa2..99f3d84698 100644
--- a/patch/kernel/rockchip-rk3588-edge/dt/rk3588-nanopc-cm3588-nas.dts
+++ b/patch/kernel/rockchip-rk3588-edge/dt/rk3588-nanopc-cm3588-nas.dts
@@ -303,65 +303,87 @@
 // 			  "", "", "", "";
 // };
 
-// &gpio1 {
-// 	gpio-line-names = /* GPIO1 A0-A7 */
-// 			  "HEADER_27", "HEADER_28", "", "",
-// 			  "", "", "", "HEADER_15",
-// 			  /* GPIO1 B0-B7 */
-// 			  "HEADER_26", "HEADER_21", "HEADER_19", "HEADER_23",
-// 			  "HEADER_24", "HEADER_22", "", "",
-// 			  /* GPIO1 C0-C7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "",
-// 			  /* GPIO1 D0-D7 */
-// 			  "", "", "", "",
-// 			  "", "", "HEADER_05", "HEADER_03";
-// };
+/* Signal labels [SIGNAL_LABEL] are from the official CM3588 NAS schematic revision 2309 */
+/* Some GPIOs like USB, sdmmc or SPI-NOR are not listed here */
+&gpio0 {
+	gpio-line-names =
+		/* GPIO0 A0-A7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO0 B0-B7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO0 C0-C7 */
+		"", "", "", "",
+		"Pin 10 [UART0_RX_M0]", "Pin 08 [UART0_TX_M0/PWM4_M0]", "Pin 32 [PWM5_M1]", "",
+		/* GPIO0 D0-D7 */
+		"", "", "", "",
+		"IR sensor [PWM3_IR_M0]", "User Button", "", "";
+};
 
-// &gpio2 {
-// 	gpio-line-names = /* GPIO2 A0-A7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "",
-// 			  /* GPIO2 B0-B7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "",
-// 			  /* GPIO2 C0-C7 */
-// 			  "", "CSI1_11", "CSI1_12", "",
-// 			  "", "", "", "",
-// 			  /* GPIO2 D0-D7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "";
-// };
+&gpio1 {
+	gpio-line-names =
+		/* GPIO1 A0-A7 */
+		"Pin 27 [UART6_RX_M1]", "Pin 28 [UART6_TX_M1]", "", "",
+		"", "", "", "Pin 15",
+		/* GPIO1 B0-B7 */
+		"Pin 26", "Pin 21 [SPI0_MISO_M2]", "Pin 19 [SPI0_MOSI_M2/UART4_RX_M2]", "Pin 23 [SPI0_CLK_M2/UART4_TX_M2]",
+		"Pin 24 [SPI0_CS0_M2/UART7_RX_M2]", "Pin 22 [SPI0_CS1_M0/UART7_TX_M2]", "", "CSI-Pin 14 [MIPI_CAM2_CLKOUT]",
+		/* GPIO1 C0-C7 */
+		"", "", "", "",
+		"Headphone detect [HP_DET_L]", "", "", "",
+		/* GPIO1 D0-D7 */
+		"", "", "", "Fan [PWM1_M1]",
+		"", "", "Pin 05 [I2C8_SCL_M2]", "Pin 03 [I2C8_SDA_M2]";
+};
 
-// &gpio3 {
-// 	gpio-line-names = /* GPIO3 A0-A7 */
-// 			  "HEADER_35", "HEADER_38", "HEADER_40", "HEADER_36",
-// 			  "HEADER_37", "", "DSI0_12", "",
-// 			  /* GPIO3 B0-B7 */
-// 			  "HEADER_33", "DSI0_10", "HEADER_07", "HEADER_16",
-// 			  "HEADER_18", "HEADER_29", "HEADER_31", "HEADER_12",
-// 			  /* GPIO3 C0-C7 */
-// 			  "DSI0_08", "DSI0_14", "HEADER_11", "HEADER_13",
-// 			  "", "", "", "",
-// 			  /* GPIO3 D0-D7 */
-// 			  "", "", "", "",
-// 			  "", "DSI1_10", "", "";
-// };
+&gpio2 {
+	gpio-line-names =
+		/* GPIO2 A0-A7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO2 B0-B7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO2 C0-C7 */
+		"", "CSI-Pin 11 [MIPI_CAM2_RESET_L]", "CSI-Pin 12 [MIPI_CAM2_PDN_L]", "",
+		"", "", "", "",
+		/* GPIO2 D0-D7 */
+		"", "", "", "",
+		"", "", "", "";
+};
 
-// &gpio4 {
-// 	gpio-line-names = /* GPIO4 A0-A7 */
-// 			  "DSI1_08", "DSI1_14", "", "DSI1_12",
-// 			  "", "", "", "",
-// 			  /* GPIO4 B0-B7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "",
-// 			  /* GPIO4 C0-C7 */
-// 			  "", "", "", "",
-// 			  "CSI0_11", "CSI0_12", "", "",
-// 			  /* GPIO4 D0-D7 */
-// 			  "", "", "", "",
-// 			  "", "", "", "";
-// };
+&gpio3 {
+	gpio-line-names =
+		/* GPIO3 A0-A7 */
+		"Pin 35 [SPI4_MISO_M1/PW M10_M0]", "Pin 38 [SPI4_MOSI_M1]", "Pin 40 [SPI4_CLK_M1/UART8_TX_M1]", "Pin 36 [SPI4_CS0_M1/UART8_RX_M1]",
+		"Pin 37 [SPI4_CS1_M1]", "", "DSI-Pin 12 [LCD_RST]", "Buzzer [PW M8_M0]",
+		/* GPIO3 B0-B7 */
+		"Pin 33 [PW M9_M0]", "DSI-Pin 10 [PW M2_M1/LCD_BL]", "Pin 07", "Pin 16",
+		"Pin 18", "Pin 29 [UART3_TX_M1/PW M12_M0]", "Pin 31 [UART3_RX_M1/PW M13_M0]", "Pin 12",
+		/* GPIO3 C0-C7 */
+		"DSI-Pin 08 [TP_INT_L]", "DSI-Pin 14 [TP_RST_L]", "Pin 11 [PWM14_M0]", "Pin 13 [PWM15_IR_M0]",
+		"", "", "", "DSI-Pin 06 [I2C5_SCL_M0_TP]",
+		/* GPIO3 D0-D7 */
+		"DSI-Pin 05 [I2C5_SDA_M0_TP]", "", "", "",
+		"", "", "", "";
+};
+
+&gpio4 {
+	gpio-line-names =
+		/* GPIO4 A0-A7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO4 B0-B7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO4 C0-C7 */
+		"", "", "", "",
+		"", "", "", "",
+		/* GPIO4 D0-D7 */
+		"", "", "", "",
+		"", "", "", "";
+};
 
 &gpu {
 	mali-supply = <&vdd_gpu_s0>;