linux-kernel - [PATCH 1/2] ARC: [plat-axs10x]: use pgu pll instead of fixed clock

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Date:   Tue, 19 Nov 2019 16:22:14 +0300
From:   Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
To:     linux-snps-arc@...ts.infradead.org,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:     linux-kernel@...r.kernel.org,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Subject: [PATCH 1/2] ARC: [plat-axs10x]: use pgu pll instead of fixed clock

Use PLL driver instead of fixed-clock for PGU pixel clock.
That allows us to support wider range of graphic modes.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
---
 arch/arc/boot/dts/axs10x_mb.dtsi | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index 08bcfed6b80f..f9a5c9ddcae7 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -61,12 +61,13 @@
 				clock-frequency = <25000000>;
 				#clock-cells = <0>;
 			};
+		};
 
-			pguclk: pguclk {
-				#clock-cells = <0>;
-				compatible = "fixed-clock";
-				clock-frequency = <74250000>;
-			};
+		pguclk: pguclk@...80 {
+			compatible = "snps,axs10x-pgu-pll-clock";
+			reg = <0x10080 0x10>, <0x110 0x10>;
+			#clock-cells = <0>;
+			clocks = <&input_clk>;
 		};
 
 		gmac: ethernet@...00 {
-- 
2.21.0