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Message-ID: <748816cb-e511-8649-29fa-a55ab581246b@microchip.com>
Date: Sat, 18 Dec 2021 16:53:38 +0100
From: Nicolas Ferre <nicolas.ferre@...rochip.com>
To: Rob Herring <robh@...nel.org>, <soc@...nel.org>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Ludovic Desroches <ludovic.desroches@...rochip.com>,
Shawn Guo <shawnguo@...nel.org>,
"Sascha Hauer" <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Benoît Cousson <bcousson@...libre.com>,
Tony Lindgren <tony@...mide.com>,
Andy Gross <agross@...nel.org>,
"Bjorn Andersson" <bjorn.andersson@...aro.org>,
Viresh Kumar <vireshk@...nel.org>,
Shiraz Hashim <shiraz.linux.kernel@...il.com>
CC: Mark Brown <broonie@...nel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
<linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: Remove "spidev" nodes
On 17/12/2021 at 23:12, Rob Herring wrote:
> "spidev" is not a real device, but a Linux implementation detail. It has
> never been documented either. The kernel has WARNed on the use of it for
> over 6 years. Time to remove its usage from the tree.
>
> Cc: Mark Brown <broonie@...nel.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> Arnd, Olof, Can you please apply this directly.
>
> arch/arm/boot/dts/at91-q5xr5.dts | 18 ----------
> arch/arm/boot/dts/at91-wb50n.dts | 6 ----
For at91:
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Sorry for having re-introduced this use recently.
Best regards,
Nicolas
> arch/arm/boot/dts/imx28-tx28.dts | 36 -------------------
> arch/arm/boot/dts/imx53-tx53.dtsi | 11 ------
> arch/arm/boot/dts/imx6qdl-tx6.dtsi | 12 -------
> .../boot/dts/imx6ul-imx6ull-opos6uldev.dtsi | 12 -------
> arch/arm/boot/dts/imx6ul-prti6g.dts | 6 ----
> arch/arm/boot/dts/imx6ul-tx6ul.dtsi | 24 -------------
> arch/arm/boot/dts/omap3-tao3530.dtsi | 14 --------
> .../dts/qcom-mdm9615-wp8548-mangoh-green.dts | 2 +-
> arch/arm/boot/dts/spear1310-evb.dts | 16 ---------
> arch/arm/boot/dts/spear1340-evb.dts | 16 ---------
> 12 files changed, 1 insertion(+), 172 deletions(-)
>
> diff --git a/arch/arm/boot/dts/at91-q5xr5.dts b/arch/arm/boot/dts/at91-q5xr5.dts
> index 5827383b181b..47a00062f01f 100644
> --- a/arch/arm/boot/dts/at91-q5xr5.dts
> +++ b/arch/arm/boot/dts/at91-q5xr5.dts
> @@ -147,12 +147,6 @@ uboot@...0 {
> reg = <0x8000 0x3E000>;
> };
> };
> -
> - spidev@1 {
> - compatible = "spidev";
> - spi-max-frequency = <2000000>;
> - reg = <1>;
> - };
> };
>
> &spi1 {
> @@ -160,18 +154,6 @@ &spi1 {
> pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
> cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
> status = "okay";
> -
> - spidev@0 {
> - compatible = "spidev";
> - spi-max-frequency = <2000000>;
> - reg = <0>;
> - };
> -
> - spidev@1 {
> - compatible = "spidev";
> - spi-max-frequency = <2000000>;
> - reg = <1>;
> - };
> };
>
> &usart0 {
> diff --git a/arch/arm/boot/dts/at91-wb50n.dts b/arch/arm/boot/dts/at91-wb50n.dts
> index a5e45bb95c04..89f0f717f7ed 100644
> --- a/arch/arm/boot/dts/at91-wb50n.dts
> +++ b/arch/arm/boot/dts/at91-wb50n.dts
> @@ -90,12 +90,6 @@ &i2c0 {
>
> &spi1 {
> status = "okay";
> -
> - spidev@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <8000000>;
> - };
> };
>
> &usb0 {
> diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts
> index 164254c28f8e..9e5651c7ea6b 100644
> --- a/arch/arm/boot/dts/imx28-tx28.dts
> +++ b/arch/arm/boot/dts/imx28-tx28.dts
> @@ -239,24 +239,6 @@ &gpio3 9 GPIO_ACTIVE_LOW
> >;
> /* enable this and disable ssp3 below, if you need full duplex SPI transfer */
> status = "disabled";
> -
> - spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <57600000>;
> - };
> -
> - spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <57600000>;
> - };
> -
> - spi@2 {
> - compatible = "spidev";
> - reg = <2>;
> - spi-max-frequency = <57600000>;
> - };
> };
> };
>
> @@ -700,24 +682,6 @@ &ssp3 {
> pinctrl-0 = <&spi3_pins_a>;
> clock-frequency = <57600000>;
> status = "okay";
> -
> - spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <57600000>;
> - };
> -
> - spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <57600000>;
> - };
> -
> - spi@2 {
> - compatible = "spidev";
> - reg = <2>;
> - spi-max-frequency = <57600000>;
> - };
> };
>
> &usb0 {
> diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi
> index 7c9730f3f820..81c2726a328a 100644
> --- a/arch/arm/boot/dts/imx53-tx53.dtsi
> +++ b/arch/arm/boot/dts/imx53-tx53.dtsi
> @@ -192,17 +192,6 @@ &gpio2 30 GPIO_ACTIVE_HIGH
> &gpio3 19 GPIO_ACTIVE_HIGH
> >;
>
> - spidev0: spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <54000000>;
> - };
> -
> - spidev1: spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <54000000>;
> - };
> };
>
> &esdhc1 {
> diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> index 362e65ccaa78..bcc5bbcce769 100644
> --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> @@ -259,18 +259,6 @@ &gpio2 30 GPIO_ACTIVE_HIGH
> &gpio3 19 GPIO_ACTIVE_HIGH
> >;
> status = "disabled";
> -
> - spidev0: spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <54000000>;
> - };
> -
> - spidev1: spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <54000000>;
> - };
> };
>
> &fec {
> diff --git a/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi b/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> index 935a77d717a6..18cac19aa9b0 100644
> --- a/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> @@ -114,18 +114,6 @@ &ecspi4 {
> pinctrl-0 = <&pinctrl_ecspi4>;
> cs-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>, <&gpio4 3 GPIO_ACTIVE_LOW>;
> status = "okay";
> -
> - spidev0: spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <5000000>;
> - };
> -
> - spidev1: spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <5000000>;
> - };
> };
>
> &i2c1 {
> diff --git a/arch/arm/boot/dts/imx6ul-prti6g.dts b/arch/arm/boot/dts/imx6ul-prti6g.dts
> index d62015701d0a..c18390f238e1 100644
> --- a/arch/arm/boot/dts/imx6ul-prti6g.dts
> +++ b/arch/arm/boot/dts/imx6ul-prti6g.dts
> @@ -78,12 +78,6 @@ &ecspi2 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_ecspi2>;
> status = "okay";
> -
> - spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <1000000>;
> - };
> };
>
> &fec1 {
> diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> index 938a32ced88d..c485d058e079 100644
> --- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> @@ -227,18 +227,6 @@ &gpio1 29 GPIO_ACTIVE_HIGH
> &gpio1 10 GPIO_ACTIVE_HIGH
> >;
> status = "disabled";
> -
> - spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <660000>;
> - };
> -
> - spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <660000>;
> - };
> };
>
> sound {
> @@ -290,18 +278,6 @@ &gpio1 29 GPIO_ACTIVE_HIGH
> &gpio1 10 GPIO_ACTIVE_HIGH
> >;
> status = "disabled";
> -
> - spidev0: spi@0 {
> - compatible = "spidev";
> - reg = <0>;
> - spi-max-frequency = <60000000>;
> - };
> -
> - spidev1: spi@1 {
> - compatible = "spidev";
> - reg = <1>;
> - spi-max-frequency = <60000000>;
> - };
> };
>
> &fec1 {
> diff --git a/arch/arm/boot/dts/omap3-tao3530.dtsi b/arch/arm/boot/dts/omap3-tao3530.dtsi
> index 580bfa1931c8..7f440d11f7e7 100644
> --- a/arch/arm/boot/dts/omap3-tao3530.dtsi
> +++ b/arch/arm/boot/dts/omap3-tao3530.dtsi
> @@ -197,25 +197,11 @@ &i2c3 {
> &mcspi1 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcspi1_pins>;
> -
> - spidev@0 {
> - compatible = "spidev";
> - spi-max-frequency = <48000000>;
> - reg = <0>;
> - spi-cpha;
> - };
> };
>
> &mcspi3 {
> pinctrl-names = "default";
> pinctrl-0 = <&mcspi3_pins>;
> -
> - spidev@0 {
> - compatible = "spidev";
> - spi-max-frequency = <48000000>;
> - reg = <0>;
> - spi-cpha;
> - };
> };
>
> #include "twl4030.dtsi"
> diff --git a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> index 942e3a2cac35..0827de5426c1 100644
> --- a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> +++ b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> @@ -103,7 +103,7 @@ pins {
>
> &gsbi3_spi {
> spi@0 {
> - compatible = "swir,mangoh-iotport-spi", "spidev";
> + compatible = "swir,mangoh-iotport-spi";
> spi-max-frequency = <24000000>;
> reg = <0>;
> };
> diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts
> index 8fcb6be6e7c7..4cbadcb41084 100644
> --- a/arch/arm/boot/dts/spear1310-evb.dts
> +++ b/arch/arm/boot/dts/spear1310-evb.dts
> @@ -395,22 +395,6 @@ m25p80@1 {
> pl022,wait-state = <0>;
> pl022,duplex = <0>;
> };
> -
> - spidev@2 {
> - compatible = "spidev";
> - reg = <2>;
> - spi-max-frequency = <25000000>;
> - spi-cpha;
> - pl022,hierarchy = <0>;
> - pl022,interface = <0>;
> - pl022,slave-tx-disable;
> - pl022,com-mode = <0x2>;
> - pl022,rx-level-trig = <0>;
> - pl022,tx-level-trig = <0>;
> - pl022,ctrl-len = <0x11>;
> - pl022,wait-state = <0>;
> - pl022,duplex = <0>;
> - };
> };
>
> wdt@...00620 {
> diff --git a/arch/arm/boot/dts/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts
> index f70ff56d4542..fd194ebeedc9 100644
> --- a/arch/arm/boot/dts/spear1340-evb.dts
> +++ b/arch/arm/boot/dts/spear1340-evb.dts
> @@ -489,22 +489,6 @@ stmpe_touchscreen {
> ts,i-drive = <1>;
> };
> };
> -
> - spidev@2 {
> - compatible = "spidev";
> - reg = <2>;
> - spi-max-frequency = <25000000>;
> - spi-cpha;
> - pl022,hierarchy = <0>;
> - pl022,interface = <0>;
> - pl022,slave-tx-disable;
> - pl022,com-mode = <0x2>;
> - pl022,rx-level-trig = <0>;
> - pl022,tx-level-trig = <0>;
> - pl022,ctrl-len = <0x11>;
> - pl022,wait-state = <0>;
> - pl022,duplex = <0>;
> - };
> };
>
> timer@...00600 {
> --
> 2.32.0
>
--
Nicolas Ferre
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