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Date: Tue, 28 May 2024 14:15:31 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Liviu Dudau <liviu.dudau@....com>,
Sudeep Holla <sudeep.holla@....com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] arm: dts: arm: Drop redundant fixed-factor clocks
There's not much reason to have multiple fixed-factor-clock instances
which are all the same factor and clock input. Drop the nodes, but keep
the labels to minimize the changes and keep some distinction of the
different clocks.
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
arch/arm/boot/dts/arm/arm-realview-eb.dtsi | 42 +------------------
arch/arm/boot/dts/arm/arm-realview-pb1176.dts | 34 +--------------
arch/arm/boot/dts/arm/arm-realview-pb11mp.dts | 42 +------------------
arch/arm/boot/dts/arm/arm-realview-pbx.dtsi | 42 +------------------
arch/arm/boot/dts/arm/integratorap.dts | 10 +----
arch/arm/boot/dts/arm/mps2.dtsi | 34 +--------------
6 files changed, 6 insertions(+), 198 deletions(-)
diff --git a/arch/arm/boot/dts/arm/arm-realview-eb.dtsi b/arch/arm/boot/dts/arm/arm-realview-eb.dtsi
index 96f813f44cb3..b3ced3380b7d 100644
--- a/arch/arm/boot/dts/arm/arm-realview-eb.dtsi
+++ b/arch/arm/boot/dts/arm/arm-realview-eb.dtsi
@@ -53,7 +53,7 @@ vmmc: fixedregulator@0 {
regulator-boot-on;
};
- xtal24mhz: xtal24mhz@24M {
+ xtal24mhz: mclk: kmiclk: sspclk: uartclk: wdogclk: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
@@ -67,46 +67,6 @@ timclk: timclk@1M {
clocks = <&xtal24mhz>;
};
- mclk: mclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- kmiclk: kmiclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- sspclk: sspclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- uartclk: uartclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- wdogclk: wdogclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
/* FIXME: this actually hangs off the PLL clocks */
pclk: pclk@0 {
#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/arm/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
index e819e58e4b62..cd86986175d4 100644
--- a/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
@@ -63,7 +63,7 @@ veth: regulator-veth {
regulator-boot-on;
};
- xtal24mhz: xtal24mhz@24M {
+ xtal24mhz: mclk: kmiclk: sspclk: uartclk: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
@@ -77,38 +77,6 @@ timclk: timclk@1M {
clocks = <&xtal24mhz>;
};
- mclk: mclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- kmiclk: kmiclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- sspclk: sspclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- uartclk: uartclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
/* FIXME: this actually hangs off the PLL clocks */
pclk: pclk@0 {
#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/arm/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm/arm-realview-pb11mp.dts
index 29afc5c05759..0988c2bd436b 100644
--- a/arch/arm/boot/dts/arm/arm-realview-pb11mp.dts
+++ b/arch/arm/boot/dts/arm/arm-realview-pb11mp.dts
@@ -163,7 +163,7 @@ veth: regulator-veth {
regulator-boot-on;
};
- xtal24mhz: xtal24mhz@24M {
+ xtal24mhz: mclk: kmiclk: sspclk: uartclk: wdogclk: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
@@ -183,46 +183,6 @@ timclk: timclk@1M {
clocks = <&xtal24mhz>;
};
- mclk: mclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- kmiclk: kmiclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- sspclk: sspclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- uartclk: uartclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- wdogclk: wdogclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
/* FIXME: this actually hangs off the PLL clocks */
pclk: pclk@0 {
#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/arm/arm-realview-pbx.dtsi b/arch/arm/boot/dts/arm/arm-realview-pbx.dtsi
index e715626db567..6a0e67998061 100644
--- a/arch/arm/boot/dts/arm/arm-realview-pbx.dtsi
+++ b/arch/arm/boot/dts/arm/arm-realview-pbx.dtsi
@@ -62,7 +62,7 @@ veth: regulator-veth {
regulator-boot-on;
};
- xtal24mhz: xtal24mhz@24M {
+ xtal24mhz: mclk: kmiclk: sspclk: uartclk: wdogclk: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
@@ -82,46 +82,6 @@ timclk: timclk@1M {
clocks = <&xtal24mhz>;
};
- mclk: mclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- kmiclk: kmiclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- sspclk: sspclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- uartclk: uartclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
- wdogclk: wdogclk@24M {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
/* FIXME: this actually hangs off the PLL clocks */
pclk: pclk@0 {
#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/arm/integratorap.dts b/arch/arm/boot/dts/arm/integratorap.dts
index d9927d3181dc..27498e0f93f6 100644
--- a/arch/arm/boot/dts/arm/integratorap.dts
+++ b/arch/arm/boot/dts/arm/integratorap.dts
@@ -57,20 +57,12 @@ chosen {
};
/* 24 MHz chrystal on the Integrator/AP development board */
- xtal24mhz: xtal24mhz@24M {
+ xtal24mhz: pclk: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};
- pclk: pclk@0 {
- #clock-cells = <0>;
- compatible = "fixed-factor-clock";
- clock-div = <1>;
- clock-mult = <1>;
- clocks = <&xtal24mhz>;
- };
-
/* The UART clock is 14.74 MHz divided by an ICS525 */
uartclk: uartclk@...74M {
#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/arm/mps2.dtsi b/arch/arm/boot/dts/arm/mps2.dtsi
index ce308820765b..d930168fbd91 100644
--- a/arch/arm/boot/dts/arm/mps2.dtsi
+++ b/arch/arm/boot/dts/arm/mps2.dtsi
@@ -78,7 +78,7 @@ spicfgclk: clk-spicfg {
clock-frequency = <75000000>;
};
- sysclk: clk-sys {
+ sysclk: spiclcd: spicon: i2cclcd: i2caud: clock-sys {
compatible = "fixed-factor-clock";
clocks = <&oscclk0>;
#clock-cells = <0>;
@@ -102,38 +102,6 @@ audsclk: clk-auds {
clock-mult = <1>;
};
- spiclcd: clk-cpiclcd {
- compatible = "fixed-factor-clock";
- clocks = <&oscclk0>;
- #clock-cells = <0>;
- clock-div = <2>;
- clock-mult = <1>;
- };
-
- spicon: clk-spicon {
- compatible = "fixed-factor-clock";
- clocks = <&oscclk0>;
- #clock-cells = <0>;
- clock-div = <2>;
- clock-mult = <1>;
- };
-
- i2cclcd: clk-i2cclcd {
- compatible = "fixed-factor-clock";
- clocks = <&oscclk0>;
- #clock-cells = <0>;
- clock-div = <2>;
- clock-mult = <1>;
- };
-
- i2caud: clk-i2caud {
- compatible = "fixed-factor-clock";
- clocks = <&oscclk0>;
- #clock-cells = <0>;
- clock-div = <2>;
- clock-mult = <1>;
- };
-
soc {
compatible = "simple-bus";
ranges;
--
2.43.0
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