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Message-Id: <20241031-mbly-clk-v1-13-89d8b28e3006@bootlin.com>
Date: Thu, 31 Oct 2024 16:53:03 +0100
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
Grégory Clement <gregory.clement@...tlin.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH 13/13] MIPS: mobileye: eyeq6h: add OLB nodes OLB and remove
fixed clocks
Change the declaration of clocks: remove all fixed clocks and declare
system-controllers (OLB) as clock providers.
Remove eyeq6h-fixed-clocks.dtsi and move the crystal clock to the main
eyeq6h.dtsi file.
Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
.../boot/dts/mobileye/eyeq6h-fixed-clocks.dtsi | 52 ---------------
arch/mips/boot/dts/mobileye/eyeq6h.dtsi | 73 ++++++++++++++++++++--
2 files changed, 69 insertions(+), 56 deletions(-)
diff --git a/arch/mips/boot/dts/mobileye/eyeq6h-fixed-clocks.dtsi b/arch/mips/boot/dts/mobileye/eyeq6h-fixed-clocks.dtsi
deleted file mode 100644
index 5fa99e06fde7e8f4942aafe5f6064e2c6f7d83fd..0000000000000000000000000000000000000000
--- a/arch/mips/boot/dts/mobileye/eyeq6h-fixed-clocks.dtsi
+++ /dev/null
@@ -1,52 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-/*
- * Copyright 2023 Mobileye Vision Technologies Ltd.
- */
-
-#include <dt-bindings/clock/mobileye,eyeq5-clk.h>
-
-/ {
- xtal: clock-30000000 {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <30000000>;
- };
-
- pll_west: clock-2000000000-west {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <2000000000>;
- };
-
- pll_cpu: clock-2000000000-cpu {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <2000000000>;
- };
-
- /* pll-cpu derivatives */
- occ_cpu: clock-2000000000-occ-cpu {
- compatible = "fixed-factor-clock";
- clocks = <&pll_cpu>;
- #clock-cells = <0>;
- clock-div = <1>;
- clock-mult = <1>;
- };
-
- /* pll-west derivatives */
- occ_periph_w: clock-200000000 {
- compatible = "fixed-factor-clock";
- clocks = <&pll_west>;
- #clock-cells = <0>;
- clock-div = <10>;
- clock-mult = <1>;
- };
- uart_clk: clock-200000000-uart {
- compatible = "fixed-factor-clock";
- clocks = <&occ_periph_w>;
- #clock-cells = <0>;
- clock-div = <1>;
- clock-mult = <1>;
- };
-
-};
diff --git a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
index 1db3c3cda2e395025075387bcb66ea0737fd37f6..4a1a43f351d39625b520a16d035cacd2e29d157c 100644
--- a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
+++ b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
@@ -5,7 +5,7 @@
#include <dt-bindings/interrupt-controller/mips-gic.h>
-#include "eyeq6h-fixed-clocks.dtsi"
+#include <dt-bindings/clock/mobileye,eyeq5-clk.h>
/ {
#address-cells = <2>;
@@ -17,7 +17,7 @@ cpu@0 {
device_type = "cpu";
compatible = "img,i6500";
reg = <0>;
- clocks = <&occ_cpu>;
+ clocks = <&olb_central EQ6HC_CENTRAL_CPU_OCC>;
};
};
@@ -32,19 +32,42 @@ cpu_intc: interrupt-controller {
#interrupt-cells = <1>;
};
+ xtal: clock-30000000 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <30000000>;
+ };
+
soc: soc {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ olb_acc: system-controller@...03000 {
+ compatible = "mobileye,eyeq6h-acc-olb", "syscon";
+ reg = <0x0 0xd2003000 0x0 0x1000>;
+ #reset-cells = <1>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
+ olb_central: system-controller@...00000 {
+ compatible = "mobileye,eyeq6h-central-olb", "syscon";
+ reg = <0x0 0xd3100000 0x0 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
uart0: serial@...31000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0 0xd3331000 0x0 0x1000>;
reg-io-width = <4>;
interrupt-parent = <&gic>;
interrupts = <GIC_SHARED 43 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&occ_periph_w>, <&occ_periph_w>;
+ clocks = <&olb_west EQ6HC_WEST_PER_UART>, <&olb_west EQ6HC_WEST_PER_OCC>;
clock-names = "uartclk", "apb_pclk";
};
@@ -56,6 +79,15 @@ pinctrl_west: pinctrl@...37000 {
pinctrl-single,function-mask = <0xffff>;
};
+ olb_west: system-controller@...38000 {
+ compatible = "mobileye,eyeq6h-west-olb", "syscon";
+ reg = <0x0 0xd3338000 0x0 0x1000>;
+ #reset-cells = <1>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
pinctrl_east: pinctrl@...57000 {
compatible = "pinctrl-single";
reg = <0x0 0xd3357000 0x0 0xb0>;
@@ -64,6 +96,23 @@ pinctrl_east: pinctrl@...57000 {
pinctrl-single,function-mask = <0xffff>;
};
+ olb_east: system-controller@...58000 {
+ compatible = "mobileye,eyeq6h-east-olb", "syscon";
+ reg = <0x0 0xd3358000 0x0 0x1000>;
+ #reset-cells = <1>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
+ olb_south: system-controller@...13000 {
+ compatible = "mobileye,eyeq6h-south-olb", "syscon";
+ reg = <0x0 0xd8013000 0x0 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
pinctrl_south: pinctrl@...14000 {
compatible = "pinctrl-single";
reg = <0x0 0xd8014000 0x0 0xf8>;
@@ -72,6 +121,22 @@ pinctrl_south: pinctrl@...14000 {
pinctrl-single,function-mask = <0xffff>;
};
+ olb_ddr0: system-controller@...80000 {
+ compatible = "mobileye,eyeq6h-ddr0-olb", "syscon";
+ reg = <0x0 0xe4080000 0x0 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
+ olb_ddr1: system-controller@...81000 {
+ compatible = "mobileye,eyeq6h-ddr1-olb", "syscon";
+ reg = <0x0 0xe4081000 0x0 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
gic: interrupt-controller@...20000 {
compatible = "mti,gic";
reg = <0x0 0xf0920000 0x0 0x20000>;
@@ -89,7 +154,7 @@ gic: interrupt-controller@...20000 {
timer {
compatible = "mti,gic-timer";
interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
- clocks = <&occ_cpu>;
+ clocks = <&olb_central EQ6HC_CENTRAL_CPU_OCC>;
};
};
};
--
2.47.0
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