From 63dac0f4924b97a6b91b86259cdc4520b4d6254e Mon Sep 17 00:00:00 2001
From: Gregory CLEMENT <gregory.clement@free-electrons.com>
Date: Mon, 12 Jun 2017 17:35:00 +0200
Subject: [PATCH] arm64: dts: marvell: add gpio support for Armada 7K/8K

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@free-electrons.com>
---
 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 +++++++++
 .../boot/dts/marvell/armada-cp110-master.dtsi | 21 ++++++++++++++++++
 .../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 f6c22665d0915..860b6ae9dcc51 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 93d1de03b39a4..666ebe96ba0da 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 b9b984e3fd557..2557d69fefc8b 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 {
@@ -256,6 +257,15 @@
 				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 8076681683fb8..7835d4f517dcb 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
@@ -114,6 +114,27 @@
 					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@284000 {
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
index a88300ae20fa6..22e4feb1bacec 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
@@ -121,6 +121,28 @@
 					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@540000 {
-- 
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