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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: soc@kernel.org
Cc: sboyd@kernel.org, linux-arm-kernel@lists.infradead.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH 2/2] arm64: dts: bitmain: Source common clock for UART controllers
Date: Tue, 14 Jan 2020 09:33:11 +0530
Message-ID: <20200114040311.6599-3-manivannan.sadhasivam@linaro.org> (raw)
In-Reply-To: <20200114040311.6599-1-manivannan.sadhasivam@linaro.org>

Remove fixed clock and source common clock for UART controllers.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts |  9 ---------
 arch/arm64/boot/dts/bitmain/bm1880.dtsi            | 12 ++++++++++++
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
index 3e8c70778e24..7a2c7f9c2660 100644
--- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
+++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
@@ -49,12 +49,6 @@
 		reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB
 	};
 
-	uart_clk: uart-clk {
-		compatible = "fixed-clock";
-		clock-frequency = <500000000>;
-		#clock-cells = <0>;
-	};
-
 	soc {
 		gpio0: gpio@50027000 {
 			porta: gpio-controller@0 {
@@ -173,21 +167,18 @@
 
 &uart0 {
 	status = "okay";
-	clocks = <&uart_clk>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart0_default>;
 };
 
 &uart1 {
 	status = "okay";
-	clocks = <&uart_clk>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1_default>;
 };
 
 &uart2 {
 	status = "okay";
-	clocks = <&uart_clk>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart2_default>;
 };
diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi
index 8471662413da..fa6e6905f588 100644
--- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi
+++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi
@@ -174,6 +174,9 @@
 		uart0: serial@58018000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x0 0x58018000 0x0 0x2000>;
+			clocks = <&clk BM1880_CLK_UART_500M>,
+				 <&clk BM1880_CLK_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
@@ -184,6 +187,9 @@
 		uart1: serial@5801A000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x0 0x5801a000 0x0 0x2000>;
+			clocks = <&clk BM1880_CLK_UART_500M>,
+				 <&clk BM1880_CLK_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
@@ -194,6 +200,9 @@
 		uart2: serial@5801C000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x0 0x5801c000 0x0 0x2000>;
+			clocks = <&clk BM1880_CLK_UART_500M>,
+				 <&clk BM1880_CLK_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
@@ -204,6 +213,9 @@
 		uart3: serial@5801E000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x0 0x5801e000 0x0 0x2000>;
+			clocks = <&clk BM1880_CLK_UART_500M>,
+				 <&clk BM1880_CLK_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
-- 
2.17.1


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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14  4:03 [PATCH 0/2] Add clock support for Bitmain BM1880 Manivannan Sadhasivam
2020-01-14  4:03 ` [PATCH 1/2] arm64: dts: bitmain: Add clock controller support for BM1880 SoC Manivannan Sadhasivam
2020-01-14  4:03 ` Manivannan Sadhasivam [this message]

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