linux-kernel - [PATCH v3 7/7] arm64: dts: meson: add A1 PLL and periphs clock controller

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Date:   Fri, 29 Nov 2019 22:46:05 +0800
From:   Jian Hu <jian.hu@...ogic.com>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     Jian Hu <jian.hu@...ogic.com>, Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh@...nel.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        Chandle Zou <chandle.zou@...ogic.com>,
        <linux-clk@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 7/7] arm64: dts: meson: add A1 PLL and periphs clock controller

Add A1 PLL and periphs clock controller node, there are parent
clocks in periphs clocks for PLL clocks, and there are parent
clocks in PLL clocks for periphs clocks. They rely on each other.

Signed-off-by: Jian Hu <jian.hu@...ogic.com>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 26 +++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index 7210ad049d1d..ba1cb4aa594b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -5,6 +5,8 @@
 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/a1-pll-clkc.h>
+#include <dt-bindings/clock/a1-clkc.h>
 
 / {
 	compatible = "amlogic,a1";
@@ -74,6 +76,30 @@
 			#size-cells = <2>;
 			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
 
+			clkc_pll: pll-clock-controller {
+				compatible = "amlogic,a1-pll-clkc";
+				#clock-cells = <1>;
+				reg = <0 0x7c80 0 0x21c>;
+				clocks = <&clkc_periphs CLKID_XTAL_FIXPLL>,
+					 <&clkc_periphs CLKID_XTAL_HIFIPLL>;
+				clock-names = "xtal_fixpll", "xtal_hifipll";
+			};
+
+			clkc_periphs: periphs-clock-controller {
+				compatible = "amlogic,a1-periphs-clkc";
+				#clock-cells = <1>;
+				reg = <0 0x800 0 0x104>;
+				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";
+			};
+
 			uart_AO: serial@...0 {
 				compatible = "amlogic,meson-gx-uart",
 					     "amlogic,meson-ao-uart";
-- 
2.24.0