From 98c03b6eef3f9c7d8153f96870968615ab489a6b Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Thu, 29 Oct 2020 14:40:17 +0100 Subject: [PATCH] arm64: dts: exynos: add the WiFi/PCIe support to TM2(e) boards Add the nodes relevant to PCIe PHY and PCIe support. PCIe is used for the WiFi interface (Broadcom Limited BCM4358 802.11ac Wireless LAN SoC). [mszyprow: rewrote commit message, reworked board/generic dts/dtsi split] Signed-off-by: Jaehoon Chung Signed-off-by: Marek Szyprowski Link: https://lore.kernel.org/r/20201029134017.27400-7-m.szyprowski@samsung.com Signed-off-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi | 2 +- .../boot/dts/exynos/exynos5433-tm2-common.dtsi | 24 ++++++++++++++- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 36 ++++++++++++++++++++++ 3 files changed, 60 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi index 9df7c65..32a6518 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi @@ -329,7 +329,7 @@ }; pcie_bus: pcie_bus { - samsung,pins = "gpr3-4", "gpr3-5", "gpr3-6", "gpr3-7"; + samsung,pins = "gpr3-4", "gpr3-5", "gpr3-6"; samsung,pin-function = ; samsung,pin-pud = ; }; diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi index 97a2f0c..5ec447f 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi @@ -968,6 +968,25 @@ bus-width = <4>; }; +&pcie { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pcie_bus &pcie_wlanen>; + vdd10-supply = <&ldo6_reg>; + vdd18-supply = <&ldo7_reg>; + 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>; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>; +}; + +&pcie_phy { + status = "okay"; +}; + &ppmu_d0_general { status = "okay"; events { @@ -1084,8 +1103,11 @@ pinctrl-names = "default"; pinctrl-0 = <&initial_ese>; + pcie_wlanen: pcie-wlanen { + PIN(INPUT, gpj2-0, UP, FAST_SR4); + }; + initial_ese: initial-state { - PIN(INPUT, gpj2-0, DOWN, FAST_SR1); PIN(INPUT, gpj2-1, DOWN, FAST_SR1); PIN(INPUT, gpj2-2, DOWN, FAST_SR1); }; diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi index 0a886bb..7853a90 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -1029,6 +1029,11 @@ reg = <0x145f0000 0x1038>; }; + syscon_fsys: syscon@156f0000 { + compatible = "syscon"; + reg = <0x156f0000 0x1044>; + }; + gsc_0: video-scaler@13c00000 { compatible = "samsung,exynos5433-gsc"; reg = <0x13c00000 0x1000>; @@ -1830,6 +1835,37 @@ status = "disabled"; }; }; + + pcie_phy: pcie-phy@15680000 { + compatible = "samsung,exynos5433-pcie-phy"; + reg = <0x15680000 0x1000>; + samsung,pmu-syscon = <&pmu_system_controller>; + samsung,fsys-sysreg = <&syscon_fsys>; + #phy-cells = <0>; + status = "disabled"; + }; + + pcie: pcie@15700000 { + compatible = "samsung,exynos5433-pcie"; + reg = <0x15700000 0x1000>, <0x156b0000 0x1000>, + <0x0c000000 0x1000>; + reg-names = "dbi", "elbi", "config"; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + device_type = "pci"; + interrupts = ; + clocks = <&cmu_fsys CLK_PCIE>, + <&cmu_fsys CLK_PCLK_PCIE_PHY>; + clock-names = "pcie", "pcie_bus"; + num-lanes = <1>; + num-viewport = <3>; + bus-range = <0x00 0xff>; + phys = <&pcie_phy>; + ranges = <0x81000000 0 0 0x0c001000 0 0x00010000>, + <0x82000000 0 0x0c011000 0x0c011000 0 0x03feefff>; + status = "disabled"; + }; }; timer: timer { -- 2.7.4