[U-Boot] [PATCH v3 06/28] dts: mtmips: add clock node for mt7628

Weijie Gao weijie.gao at mediatek.com
Wed Sep 25 09:45:22 UTC 2019


This patch adds clkctrl node for mt7628 and adds clocks property for
some node.

Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
---
v2: Changed clkgate node to clkctrl node.
    Replaced clock-frequency with <&clkctrl CLK_UARTx> for uarts and spi.
---
 arch/mips/dts/mt7628a.dtsi | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi
index e9241a0737..6d2142f429 100644
--- a/arch/mips/dts/mt7628a.dtsi
+++ b/arch/mips/dts/mt7628a.dtsi
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mt7628-clk.h>
 
 / {
 	#address-cells = <1>;
@@ -48,6 +49,14 @@
 			mask = <0x1>;
 		};
 
+		clkctrl: clkctrl at 0x2c {
+			reg = <0x2c 0x8>, <0x10 0x4>;
+			reg-names = "syscfg0", "clkcfg";
+			compatible = "mediatek,mt7628-clk";
+			#clock-cells = <1>;
+			u-boot,dm-pre-reloc;
+		};
+
 		watchdog: watchdog at 100 {
 			compatible = "ralink,mt7628a-wdt", "mediatek,mt7621-wdt";
 			reg = <0x100 0x30>;
@@ -120,14 +129,14 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-			clock-frequency = <200000000>;
+			clocks = <&clkctrl CLK_SPI>;
 		};
 
 		uart0: uartlite at c00 {
 			compatible = "mediatek,hsuart", "ns16550a";
 			reg = <0xc00 0x100>;
 
-			clock-frequency = <40000000>;
+			clocks = <&clkctrl CLK_UART0>;
 
 			resets = <&resetc 12>;
 			reset-names = "uart0";
@@ -142,7 +151,7 @@
 			compatible = "mediatek,hsuart", "ns16550a";
 			reg = <0xd00 0x100>;
 
-			clock-frequency = <40000000>;
+			clocks = <&clkctrl CLK_UART1>;
 
 			resets = <&resetc 19>;
 			reset-names = "uart1";
@@ -157,7 +166,7 @@
 			compatible = "mediatek,hsuart", "ns16550a";
 			reg = <0xe00 0x100>;
 
-			clock-frequency = <40000000>;
+			clocks = <&clkctrl CLK_UART2>;
 
 			resets = <&resetc 20>;
 			reset-names = "uart2";
@@ -184,8 +193,12 @@
 		#phy-cells = <0>;
 
 		ralink,sysctl = <&sysc>;
+
 		resets = <&resetc 22 &resetc 25>;
 		reset-names = "host", "device";
+
+		clocks = <&clkctrl CLK_UPHY>;
+		clock-names = "cg";
 	};
 
 	ehci at 101c0000 {
-- 
2.17.1



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