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.chung@xxxxxxxxxxx>
---
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
--
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