linux-kernel - [PATCH v8 11/11] arm64: dts: meson: a1: introduce PLL and Peripherals clk controllers

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Message-ID: <20221201225703.6507-12-ddrokosov@sberdevices.ru>
Date:   Fri, 2 Dec 2022 01:57:03 +0300
From:   Dmitry Rokosov <ddrokosov@...rdevices.ru>
To:     <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <khilman@...libre.com>, <martin.blumenstingl@...glemail.com>
CC:     <jian.hu@...ogic.com>, <kernel@...rdevices.ru>,
        <rockosov@...il.com>, <linux-amlogic@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Dmitry Rokosov <ddrokosov@...rdevices.ru>
Subject: [PATCH v8 11/11] arm64: dts: meson: a1: introduce PLL and Peripherals clk controllers

This patch adds clkc_periphs and clkc_pll dts nodes to A1 SoC main dtsi.
The first one clk controller is responsible for all SoC peripherals
clocks excluding audio clocks. The second one clk controller is used by
A1 SoC PLLs. Actually, there are two different APB heads, so we have two
different drivers.

Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 27 ++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index b4000cf65a9a..38e6517c603c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -6,6 +6,8 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/gpio/meson-a1-gpio.h>
+#include <dt-bindings/clock/a1-pll-clkc.h>
+#include <dt-bindings/clock/a1-clkc.h>
 
 / {
 	compatible = "amlogic,a1";
@@ -81,7 +83,6 @@ apb: bus@...00000 {
 			#size-cells = <2>;
 			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
 
-
 			reset: reset-controller@0 {
 				compatible = "amlogic,meson-a1-reset";
 				reg = <0x0 0x0 0x0 0x8c>;
@@ -124,6 +125,30 @@ uart_AO_B: serial@...0 {
 				clock-names = "xtal", "pclk", "baud";
 				status = "disabled";
 			};
+
+			clkc_periphs: periphs-clock-controller@800 {
+				compatible = "amlogic,a1-periphs-clkc";
+				reg = <0 0x800 0 0x104>;
+				#clock-cells = <1>;
+				clocks = <&clkc_pll CLKID_FCLK_DIV2>,
+					 <&clkc_pll CLKID_FCLK_DIV3>,
+					 <&clkc_pll CLKID_FCLK_DIV5>,
+					 <&clkc_pll CLKID_FCLK_DIV7>,
+					 <&clkc_pll CLKID_HIFI_PLL>,
+					 <&xtal>;
+				clock-names = "fclk_div2", "fclk_div3",
+					      "fclk_div5", "fclk_div7",
+					      "hifi_pll", "xtal";
+			};
+
+			clkc_pll: pll-clock-controller@...0 {
+				compatible = "amlogic,a1-pll-clkc";
+				reg = <0 0x7c80 0 0x18c>;
+				#clock-cells = <1>;
+				clocks = <&clkc_periphs CLKID_XTAL_FIXPLL>,
+					 <&clkc_periphs CLKID_XTAL_HIFIPLL>;
+				clock-names = "xtal_fixpll", "xtal_hifipll";
+			};
 		};
 
 		gic: interrupt-controller@...01000 {
-- 
2.36.0