[PATCH] arm64: rk3399: Optimize performance and cleanup

Xiaobo Tian peterwillcn at gmail.com
Mon Jul 5 16:52:21 CEST 2021


1. Delete unused Ethernet aliases
2. Modify the label of the LEDS lamp
3. Inherit the definition of the system status lamp in DSTI
4. Removed error 3.3V incorrect use of 5V supply

Signed-off-by: Xiaobo Tian <peterwillcn at gmail.com>
---
 arch/arm/dts/rk3399-nanopi-r4s.dts | 40 +++++++++---------------------
 1 file changed, 12 insertions(+), 28 deletions(-)

diff --git a/arch/arm/dts/rk3399-nanopi-r4s.dts b/arch/arm/dts/rk3399-nanopi-r4s.dts
index 6f2cf17bf1..a85f4bf491 100644
--- a/arch/arm/dts/rk3399-nanopi-r4s.dts
+++ b/arch/arm/dts/rk3399-nanopi-r4s.dts
@@ -17,10 +17,6 @@
 	model = "FriendlyElec NanoPi R4S";
 	compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
 
-	aliases {
-		ethernet1 = &r8169;
-	};
-
 	vdd_5v: vdd-5v {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_5v";
@@ -30,6 +26,10 @@
 
 	fan: pwm-fan {
 		compatible = "pwm-fan";
+		/*
+		 * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
+		 * work out to 0, ~1200, ~3000, and 5000RPM respectively.
+		 */
 		cooling-levels = <0 12 18 255>;
 		#cooling-cells = <2>;
 		fan-supply = <&vdd_5v>;
@@ -73,40 +73,32 @@
 	status = "disabled";
 };
 
+&i2c4 {
+	status = "disabled";
+};
+
 &leds {
 	lan_led: led-1 {
 		gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
-		label = "nanopi-r4s:green:lan";
+		label = "green:lan";
 	};
 
 	wan_led: led-2 {
 		gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
-		label = "nanopi-r4s:green:wan";
+		label = "green:wan";
 	};
 };
 
 &leds_gpio {
 	rockchip,pins =
-		<0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>,
-		<1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>,
-		<1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+		<1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>,
+		<1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
 };
 
 &pcie0 {
 	max-link-speed = <1>;
 	num-lanes = <1>;
 	vpcie3v3-supply = <&vcc3v3_sys>;
-
-	pcie at 0 {
-		reg = <0x00000000 0 0 0 0>;
-		#address-cells = <3>;
-		#size-cells = <2>;
-
-		r8169: pcie at 0,0 {
-			reg = <0x000000 0 0 0 0>;
-			local-mac-address = [ 00 00 00 00 00 00 ];
-		};
-	};
 };
 
 &sdhci {
@@ -117,10 +109,6 @@
 	status = "disabled";
 };
 
-&sdmmc {
-	host-index-min = <1>;
-};
-
 &u2phy0_host {
 	phy-supply = <&vdd_5v>;
 };
@@ -132,7 +120,3 @@
 &usbdrd_dwc3_0 {
 	dr_mode = "host";
 };
-
-&vcc3v3_sys {
-	vin-supply = <&vcc5v0_sys>;
-};
-- 
2.32.0



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