[RFC PATCH 6/6] ARM64: exynos: add the pcie node for TM2

[Jaehoon Chung]

Add the Exxynos5433 pcie node for TM2.
This pcie device is used for supporting WiFi.

And some gpios are already requested from pinctrl. so it doesn't need to
initialize.
GPJ2-0 is used for supplying to WiFi PCIe chip.

Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
---
 arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi |  7 +++++++
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts      | 11 +++++++++--
 arch/arm64/boot/dts/exynos/exynos5433.dtsi         | 23 ++++++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi 
b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
index ad71247..3e8b728 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
@@ -183,6 +183,13 @@
                interrupt-controller;
                #interrupt-cells = <2>;
        };
+
+       pcie_wlanen: pcie-wlanen {
+               samsung,pins = "gpj2-0";
+               samsung,pin-function = <0>;
+               samsung,pin-pud = <3>;
+               samsung,pin-drv = <3>;
+       };
 };
 
 &pinctrl_finger {
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts 
b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index f21bdc2..c84a2ad 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -737,6 +737,15 @@
        bus-width = <4>;
 };
 
+&pcie {
+       assigned-clocks = <&cmu_fsys CLK_MOUT_SCLK_PCIE_100_USER>,
+                       <&cmu_top CLK_MOUT_SCLK_PCIE_100>;
+       assigned-clock-parents = <&cmu_top CLK_SCLK_PCIE_100_FSYS>,
+                       <&cmu_top CLK_MOUT_BUS_PLL_USER>;
+       assigned-clock-rates = <0>, <100000000>;
+       status = "okay";
+};
+
 &pinctrl_alive {
        pinctrl-names = "default";
        pinctrl-0 = <&initial_alive>;
@@ -836,7 +845,6 @@
        pinctrl-0 = <&initial_ese>;
 
        initial_ese: initial-state {
-               PIN(IN, gpj2-0, DOWN, LV1);
                PIN(IN, gpj2-1, DOWN, LV1);
                PIN(IN, gpj2-2, DOWN, LV1);
        };
@@ -851,7 +859,6 @@
                PIN(IN, gpr3-1, DOWN, LV1);
                PIN(IN, gpr3-2, DOWN, LV1);
                PIN(IN, gpr3-3, DOWN, LV1);
-               PIN(IN, gpr3-7, NONE, LV1);
        };
 };
 
diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi 
b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
index 2a15f18..da287f4 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
@@ -1457,6 +1457,29 @@
                        samsung,fsys-sysreg = <&syscon_fsys>;
                        status = "okay";
                };
+
+               pcie: pcie@15700000 {
+                       compatible = "samsung,exynos5433-pcie", "snps,dw-pcie";
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+                       device_type = "pci";
+                       interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "intr";
+                       clocks = <&cmu_fsys CLK_PCIE>,
+                              <&cmu_fsys CLK_PCLK_PCIE_PHY>;
+                       clock-names = "pcie", "pcie_bus";
+                       num-lanes = <1>;
+                       pinctrl-names = "default";
+                       phys = <&pcie_phy>;
+                       phy-names = "pcie-phy";
+                       pinctrl-0 = <&pcie_bus &pcie_wlanen>;
+                       reg = <0x156b0000 0x1000>, <0x15700000 0x1000>,
+                           <0x0c000000 0x1000>;
+                       reg-names = "elbi", "dbi", "config";
+                       ranges = <0x81000000 0 0          0x0c001000 0 
0x00010000
+                                 0x82000000 0 0x0c011000 0x0c011000 0 
0x3feefff>;
+                       status = "disabled";
+               };
        };
 
        timer: timer {
-- 
2.10.2