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Date: Tue, 20 Jun 2017 16:34:33 +0200
From: Gregory CLEMENT <gregory.clement@...e-electrons.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Andrew Lunn <andrew@...n.ch>,
Jason Cooper <jason@...edaemon.net>,
devicetree@...r.kernel.org, Omri Itach <omrii@...vell.com>,
Nadav Haklai <nadavh@...vell.com>,
Kostya Porotchkin <kostap@...vell.com>,
Russell King <rmk+kernel@...linux.org.uk>,
Rob Herring <robh+dt@...nel.org>,
Neta Zur Hershkovits <neta@...vell.com>,
Shadi Ammouri <shadi@...vell.com>,
Marcin Wojtas <mw@...ihalf.com>,
linux-arm-kernel@...ts.infradead.org,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH v3 9/9] arm64: dts: marvell: add gpio support for Armada 7K/8K
Hi,
On lun., juin 12 2017, Gregory CLEMENT <gregory.clement@...e-electrons.com> wrote:
> Enable gpio support for CP and AP on the Marvell Armada 7K/8K SoCs.
>
> The Armada 8K has two CP110 blocks, each having two GPIO controllers.
> However, in each CP110 block, one of the GPIO controller cannot be
> used: in the master CP110, only the second GPIO controller can be used,
> while on the slave CP110, only the first GPIO controller can be used.
>
> On the other side, the Armada 7K has only one CP110, but both its GPIO
> controllers can be used.
>
> For this reason, the GPIO controllers are marked as "disabled" in the
> armada-cp110-master.dtsi and armada-cp110-slave.dtsi files, and only
> enabled in the per-SoC dtsi files.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Applied on mvebu/dt64
Thanks,
Gregory
> ---
> arch/arm64/boot/dts/marvell/armada-70x0.dtsi | 15 +++++++++-
> arch/arm64/boot/dts/marvell/armada-80x0.dtsi | 16 +++++++++-
> arch/arm64/boot/dts/marvell/armada-ap806.dtsi | 10 ++++++-
> arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi | 21 ++++++++++++-
> arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi | 22 +++++++++++++-
> 5 files changed, 84 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-70x0.dtsi b/arch/arm64/boot/dts/marvell/armada-70x0.dtsi
> index f6c22665d091..860b6ae9dcc5 100644
> --- a/arch/arm64/boot/dts/marvell/armada-70x0.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-70x0.dtsi
> @@ -46,6 +46,21 @@
>
> #include "armada-cp110-master.dtsi"
>
> +/ {
> + aliases {
> + gpio1 = &cpm_gpio1;
> + gpio2 = &cpm_gpio2;
> + };
> +};
> +
> +&cpm_gpio1 {
> + status = "okay";
> +};
> +
> +&cpm_gpio2 {
> + status = "okay";
> +};
> +
> &cpm_syscon0 {
> cpm_pinctrl: pinctrl {
> compatible = "marvell,armada-7k-pinctrl";
> diff --git a/arch/arm64/boot/dts/marvell/armada-80x0.dtsi b/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
> index 93d1de03b39a..666ebe96ba0d 100644
> --- a/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
> @@ -47,6 +47,22 @@
> #include "armada-cp110-master.dtsi"
> #include "armada-cp110-slave.dtsi"
>
> +/ {
> + aliases {
> + gpio1 = &cps_gpio1;
> + gpio2 = &cpm_gpio2;
> + };
> +};
> +
> +/* The 80x0 has two CP blocks, but uses only one block from each. */
> +&cps_gpio1 {
> + status = "okay";
> +};
> +
> +&cpm_gpio2 {
> + status = "okay";
> +};
> +
> &cpm_syscon0 {
> cpm_pinctrl: pinctrl {
> compatible = "marvell,armada-8k-cpm-pinctrl";
> diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
> index 4a1b6e0a604a..64608658de5a 100644
> --- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
> @@ -57,6 +57,7 @@
> aliases {
> serial0 = &uart0;
> serial1 = &uart1;
> + gpio0 = &ap_gpio;
> };
>
> psci {
> @@ -252,6 +253,15 @@
> ap_pinctrl: pinctrl {
> compatible = "marvell,ap806-pinctrl";
> };
> +
> + ap_gpio: gpio {
> + compatible = "marvell,armada-8k-gpio";
> + offset = <0x1040>;
> + ngpios = <19>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&ap_pinctrl 0 0 19>;
> + };
> };
> };
> };
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> index 96a4ff75b3b0..f88618185d58 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> @@ -104,6 +104,27 @@
> compatible = "marvell,cp110-clock";
> #clock-cells = <2>;
> };
> +
> + cpm_gpio1: gpio@100 {
> + compatible = "marvell,armada-8k-gpio";
> + offset = <0x100>;
> + ngpios = <32>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&cpm_pinctrl 0 0 32>;
> + status = "disabled";
> +
> + };
> +
> + cpm_gpio2: gpio@140 {
> + compatible = "marvell,armada-8k-gpio";
> + offset = <0x140>;
> + ngpios = <31>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&cpm_pinctrl 0 32 31>;
> + status = "disabled";
> + };
> };
>
> cpm_rtc: rtc@...000 {
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> index 48a658aa5b32..f3a6e6742442 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> @@ -111,6 +111,28 @@
> compatible = "marvell,cp110-clock";
> #clock-cells = <2>;
> };
> +
> + cps_gpio1: gpio@100 {
> + compatible = "marvell,armada-8k-gpio";
> + offset = <0x100>;
> + ngpios = <32>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&cps_pinctrl 0 0 32>;
> + status = "disabled";
> +
> + };
> +
> + cps_gpio2: gpio@140 {
> + compatible = "marvell,armada-8k-gpio";
> + offset = <0x140>;
> + ngpios = <31>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&cps_pinctrl 0 32 31>;
> + status = "disabled";
> + };
> +
> };
>
> cps_sata0: sata@...000 {
> --
> git-series 0.9.1
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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