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Message-ID: <CAL_JsqJiH5ZDpFEC+A+S=EQ5Tp4T_YhFK4A44YEGUY_NW+88qw@mail.gmail.com>
Date: Thu, 21 Oct 2021 16:15:49 -0500
From: Rob Herring <robh@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Stephen Boyd <sboyd@...nel.org>, Pavel Machek <pavel@....cz>
Cc: Liviu Dudau <liviu.dudau@....com>,
Sudeep Holla <sudeep.holla@....com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-clk <linux-clk@...r.kernel.org>,
devicetree@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Linux LED Subsystem <linux-leds@...r.kernel.org>
Subject: Re: [PATCH v2 6/8] ARM: dts: arm: Update register-bit-led nodes 'reg'
and node names
On Mon, Sep 13, 2021 at 2:28 PM Rob Herring <robh@...nel.org> wrote:
>
> Add a 'reg' entry for register-bit-led nodes on the Arm Ltd platforms.
> The 'reg' entry is the LED control register address. With this, the node
> name can be updated to use a generic node name, 'led', and a
> unit-address.
>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Liviu Dudau <liviu.dudau@....com>
> Cc: Sudeep Holla <sudeep.holla@....com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> arch/arm/boot/dts/arm-realview-eb.dtsi | 27 +++++++++++++------
> arch/arm/boot/dts/arm-realview-pb1176.dts | 27 +++++++++++++------
> arch/arm/boot/dts/arm-realview-pb11mp.dts | 27 +++++++++++++------
> arch/arm/boot/dts/arm-realview-pbx.dtsi | 27 +++++++++++++------
> arch/arm/boot/dts/integrator.dtsi | 23 +++++++++++-----
> arch/arm/boot/dts/mps2.dtsi | 10 +++++--
> arch/arm/boot/dts/versatile-ab-ib2.dts | 6 ++++-
> arch/arm/boot/dts/versatile-ab.dts | 27 +++++++++++++------
> arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 27 +++++++++++++------
> 9 files changed, 144 insertions(+), 57 deletions(-)
Linus, Can you apply this and patch 7?
>
> diff --git a/arch/arm/boot/dts/arm-realview-eb.dtsi b/arch/arm/boot/dts/arm-realview-eb.dtsi
> index 04e8a27ba1eb..56441ef08a55 100644
> --- a/arch/arm/boot/dts/arm-realview-eb.dtsi
> +++ b/arch/arm/boot/dts/arm-realview-eb.dtsi
> @@ -198,61 +198,72 @@ fpga {
> syscon: syscon@...00000 {
> compatible = "arm,realview-eb-syscon", "syscon", "simple-mfd";
> reg = <0x10000000 0x1000>;
> + ranges = <0x0 0x10000000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "versatile:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@...1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "versatile:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led@...2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "versatile:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led@...3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "versatile:3";
> default-state = "off";
> };
> - led@...4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "versatile:4";
> default-state = "off";
> };
> - led@...5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "versatile:5";
> default-state = "off";
> };
> - led@...6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "versatile:6";
> default-state = "off";
> };
> - led@...7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "versatile:7";
> diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
> index 366687fb1ee3..df71ee27294d 100644
> --- a/arch/arm/boot/dts/arm-realview-pb1176.dts
> +++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
> @@ -216,61 +216,72 @@ soc {
> syscon: syscon@...00000 {
> compatible = "arm,realview-pb1176-syscon", "syscon", "simple-mfd";
> reg = <0x10000000 0x1000>;
> + ranges = <0x0 0x10000000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "versatile:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@...1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "versatile:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led@...2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "versatile:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led@...3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "versatile:3";
> default-state = "off";
> };
> - led@...4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "versatile:4";
> default-state = "off";
> };
> - led@...5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "versatile:5";
> default-state = "off";
> };
> - led@...6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "versatile:6";
> default-state = "off";
> };
> - led@...7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "versatile:7";
> diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts
> index 228a51a38f95..54d4cbd10bdf 100644
> --- a/arch/arm/boot/dts/arm-realview-pb11mp.dts
> +++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts
> @@ -303,64 +303,75 @@ soc {
> pb11mp_syscon: syscon@...00000 {
> compatible = "arm,realview-pb11mp-syscon", "syscon", "simple-mfd";
> reg = <0x10000000 0x1000>;
> + ranges = <0x0 0x10000000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "versatile:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@...1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "versatile:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led@...2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "versatile:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led@...3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "versatile:3";
> linux,default-trigger = "cpu1";
> default-state = "off";
> };
> - led@...4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "versatile:4";
> linux,default-trigger = "cpu2";
> default-state = "off";
> };
> - led@...5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "versatile:5";
> linux,default-trigger = "cpu3";
> default-state = "off";
> };
> - led@...6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "versatile:6";
> default-state = "off";
> };
> - led@...7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "versatile:7";
> diff --git a/arch/arm/boot/dts/arm-realview-pbx.dtsi b/arch/arm/boot/dts/arm-realview-pbx.dtsi
> index ccf6f756b6ed..9366fecc699b 100644
> --- a/arch/arm/boot/dts/arm-realview-pbx.dtsi
> +++ b/arch/arm/boot/dts/arm-realview-pbx.dtsi
> @@ -220,61 +220,72 @@ soc: soc {
> syscon: syscon@...00000 {
> compatible = "arm,realview-pbx-syscon", "syscon", "simple-mfd";
> reg = <0x10000000 0x1000>;
> + ranges = <0x0 0x10000000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "versatile:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@...1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "versatile:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led@...2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "versatile:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led@...3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "versatile:3";
> default-state = "off";
> };
> - led@...4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "versatile:4";
> default-state = "off";
> };
> - led@...5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "versatile:5";
> default-state = "off";
> };
> - led@...6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "versatile:6";
> default-state = "off";
> };
> - led@...7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "versatile:7";
> diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
> index 602f74d2c758..ad868cfebc94 100644
> --- a/arch/arm/boot/dts/integrator.dtsi
> +++ b/arch/arm/boot/dts/integrator.dtsi
> @@ -15,10 +15,14 @@ memory {
> core-module@...00000 {
> compatible = "arm,core-module-integrator", "syscon", "simple-mfd";
> reg = <0x10000000 0x200>;
> + ranges = <0x0 0x10000000 0x200>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> /* Use core module LED to indicate CPU load */
> - led@c.0 {
> + led@c,0 {
> compatible = "register-bit-led";
> + reg = <0x0c 0x04>;
> offset = <0x0c>;
> mask = <0x01>;
> label = "integrator:core_module";
> @@ -104,35 +108,42 @@ kmi@...00000 {
> interrupts = <4>;
> };
>
> - syscon {
> + syscon@...00000 {
> /* Debug registers mapped as syscon */
> compatible = "syscon", "simple-mfd";
> reg = <0x1a000000 0x10>;
> + ranges = <0x0 0x1a000000 0x10>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@4.0 {
> + led@4,0 {
> compatible = "register-bit-led";
> + reg = <0x04 0x04>;
> offset = <0x04>;
> mask = <0x01>;
> label = "integrator:green0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@4.1 {
> + led@4,1 {
> compatible = "register-bit-led";
> + reg = <0x04 0x04>;
> offset = <0x04>;
> mask = <0x02>;
> label = "integrator:yellow";
> default-state = "off";
> };
> - led@4.2 {
> + led@4,2 {
> compatible = "register-bit-led";
> + reg = <0x04 0x04>;
> offset = <0x04>;
> mask = <0x04>;
> label = "integrator:red";
> default-state = "off";
> };
> - led@4.3 {
> + led@4,3 {
> compatible = "register-bit-led";
> + reg = <0x04 0x04>;
> offset = <0x04>;
> mask = <0x08>;
> label = "integrator:green1";
> diff --git a/arch/arm/boot/dts/mps2.dtsi b/arch/arm/boot/dts/mps2.dtsi
> index 37f5023f529c..b99577d411b1 100644
> --- a/arch/arm/boot/dts/mps2.dtsi
> +++ b/arch/arm/boot/dts/mps2.dtsi
> @@ -216,8 +216,13 @@ fpgaio@...0 {
> compatible = "syscon", "simple-mfd";
> reg = <0x8000 0x10>;
>
> - led0 {
> + ranges = <0x0 0x8000 0x10>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + led@0,0 {
> compatible = "register-bit-led";
> + reg = <0x00 0x04>;
> offset = <0x0>;
> mask = <0x01>;
> label = "userled:0";
> @@ -225,8 +230,9 @@ led0 {
> default-state = "on";
> };
>
> - led1 {
> + led@0,1 {
> compatible = "register-bit-led";
> + reg = <0x00 0x04>;
> offset = <0x0>;
> mask = <0x02>;
> label = "userled:1";
> diff --git a/arch/arm/boot/dts/versatile-ab-ib2.dts b/arch/arm/boot/dts/versatile-ab-ib2.dts
> index c577ff4bb4be..7ebb0dfd0467 100644
> --- a/arch/arm/boot/dts/versatile-ab-ib2.dts
> +++ b/arch/arm/boot/dts/versatile-ab-ib2.dts
> @@ -13,9 +13,13 @@ / {
> syscon@...00000 {
> compatible = "arm,versatile-ib2-syscon", "syscon", "simple-mfd";
> reg = <0x27000000 0x4>;
> + ranges = <0x0 0x27000000 0x4>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...4 {
> + led@0,4 {
> compatible = "register-bit-led";
> + reg = <0x00 0x04>;
> offset = <0x00>;
> mask = <0x10>;
> label = "versatile-ib2:0";
> diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
> index 151c0220047d..79f7cc241282 100644
> --- a/arch/arm/boot/dts/versatile-ab.dts
> +++ b/arch/arm/boot/dts/versatile-ab.dts
> @@ -70,61 +70,72 @@ vga_con_in: endpoint {
> core-module@...00000 {
> compatible = "arm,core-module-versatile", "syscon", "simple-mfd";
> reg = <0x10000000 0x200>;
> + ranges = <0x0 0x10000000 0x200>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led@...0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "versatile:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led@...1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "versatile:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led@...2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "versatile:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led@...3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "versatile:3";
> default-state = "off";
> };
> - led@...4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "versatile:4";
> default-state = "off";
> };
> - led@...5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "versatile:5";
> default-state = "off";
> };
> - led@...6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "versatile:6";
> default-state = "off";
> };
> - led@...7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "versatile:7";
> diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
> index 40d95c58b55e..f7afb8faf5de 100644
> --- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
> +++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
> @@ -153,64 +153,75 @@ v2m_sysctl: sysctl@...00 {
> apbregs@...00 {
> compatible = "syscon", "simple-mfd";
> reg = <0x010000 0x1000>;
> + ranges = <0x0 0x10000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> - led0 {
> + led@8,0 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x01>;
> label = "vexpress:0";
> linux,default-trigger = "heartbeat";
> default-state = "on";
> };
> - led1 {
> + led@8,1 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x02>;
> label = "vexpress:1";
> linux,default-trigger = "mmc0";
> default-state = "off";
> };
> - led2 {
> + led@8,2 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x04>;
> label = "vexpress:2";
> linux,default-trigger = "cpu0";
> default-state = "off";
> };
> - led3 {
> + led@8,3 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x08>;
> label = "vexpress:3";
> linux,default-trigger = "cpu1";
> default-state = "off";
> };
> - led4 {
> + led@8,4 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x10>;
> label = "vexpress:4";
> linux,default-trigger = "cpu2";
> default-state = "off";
> };
> - led5 {
> + led@8,5 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x20>;
> label = "vexpress:5";
> linux,default-trigger = "cpu3";
> default-state = "off";
> };
> - led6 {
> + led@8,6 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x40>;
> label = "vexpress:6";
> default-state = "off";
> };
> - led7 {
> + led@8,7 {
> compatible = "register-bit-led";
> + reg = <0x08 0x04>;
> offset = <0x08>;
> mask = <0x80>;
> label = "vexpress:7";
> --
> 2.30.2
>
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