Merge tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX7ULP device tree for 4.21:
 - It includes the initial device tree for i.MX7ULP SoC and EVK board
   support.

* tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx: add imx7ulp evk support
  ARM: dts: imx: add common imx7ulp dtsi support
  dt-bindings: fsl: add imx7ulp pm related components bindings
  dt-bindings: fsl: add compatible for imx7ulp evk
  clk: imx: add imx7ulp clk driver
  clk: imx: implement new clk_hw based APIs
  clk: imx: make mux parent strings const
  dt-bindings: clock: add imx7ulp clock binding doc
  clk: imx: add imx7ulp composite clk support
  clk: imx: add pfdv2 support
  clk: imx: add pllv4 support
  clk: fractional-divider: add CLK_FRAC_DIVIDER_ZERO_BASED flag support
  clk: imx: add gatable clock divider support

Signed-off-by: Olof Johansson <olof@lixom.net>

3 files changed, 425 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index e6bbcf5ad829..d75c646aede7 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -581,6 +581,8 @@ dtb-$(CONFIG_SOC_IMX7D) += \
 	imx7d-sdb-sht11.dtb \
 	imx7s-colibri-eval-v3.dtb \
 	imx7s-warp.dtb
+dtb-$(CONFIG_SOC_IMX7ULP) += \
+	imx7ulp-evk.dtb
 dtb-$(CONFIG_SOC_LS1021A) += \
 	ls1021a-moxa-uc-8410a.dtb \
 	ls1021a-qds.dtb \
diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
new file mode 100644
index 000000000000..a09026a6d22e
--- /dev/null
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2018 NXP
+ *   Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+/dts-v1/;
+
+#include "imx7ulp.dtsi"
+
+/ {
+	model = "NXP i.MX7ULP EVK";
+	compatible = "fsl,imx7ulp-evk", "fsl,imx7ulp";
+
+	chosen {
+		stdout-path = &lpuart4;
+	};
+
+	memory@60000000 {
+		device_type = "memory";
+		reg = <0x60000000 0x40000000>;
+	};
+
+	reg_vsd_3v3: regulator-vsd-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VSD_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usdhc0_rst>;
+		gpio = <&gpio_ptd 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&lpuart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpuart4>;
+	status = "okay";
+};
+
+&usdhc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc0>;
+	cd-gpios = <&gpio_ptc 10 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_vsd_3v3>;
+	status = "okay";
+};
+
+&iomuxc1 {
+	pinctrl_lpuart4: lpuart4grp {
+		fsl,pins = <
+			IMX7ULP_PAD_PTC3__LPUART4_RX	0x3
+			IMX7ULP_PAD_PTC2__LPUART4_TX	0x3
+		>;
+		bias-pull-up;
+	};
+
+	pinctrl_usdhc0: usdhc0grp {
+		fsl,pins = <
+			IMX7ULP_PAD_PTD1__SDHC0_CMD	0x43
+			IMX7ULP_PAD_PTD2__SDHC0_CLK	0x40
+			IMX7ULP_PAD_PTD7__SDHC0_D3	0x43
+			IMX7ULP_PAD_PTD8__SDHC0_D2	0x43
+			IMX7ULP_PAD_PTD9__SDHC0_D1	0x43
+			IMX7ULP_PAD_PTD10__SDHC0_D0	0x43
+			IMX7ULP_PAD_PTC10__PTC10	0x3	/* CD */
+		>;
+	};
+
+	pinctrl_usdhc0_rst: usdhc0-gpio-rst-grp {
+		fsl,pins = <
+			IMX7ULP_PAD_PTD0__PTD0		0x3
+		>;
+	};
+};
diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi
new file mode 100644
index 000000000000..931b2754b099
--- /dev/null
+++ b/arch/arm/boot/dts/imx7ulp.dtsi
@@ -0,0 +1,346 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2018 NXP
+ *   Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <dt-bindings/clock/imx7ulp-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "imx7ulp-pinfunc.h"
+
+/ {
+	interrupt-parent = <&intc>;
+
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		gpio0 = &gpio_ptc;
+		gpio1 = &gpio_ptd;
+		gpio2 = &gpio_pte;
+		gpio3 = &gpio_ptf;
+		i2c0 = &lpi2c6;
+		i2c1 = &lpi2c7;
+		mmc0 = &usdhc0;
+		mmc1 = &usdhc1;
+		serial0 = &lpuart4;
+		serial1 = &lpuart5;
+		serial2 = &lpuart6;
+		serial3 = &lpuart7;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a7";
+			device_type = "cpu";
+			reg = <0>;
+		};
+	};
+
+	intc: interrupt-controller@40021000 {
+		compatible = "arm,cortex-a7-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0x40021000 0x1000>,
+		      <0x40022000 0x1000>;
+	};
+
+	rosc: clock-rosc {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "rosc";
+		#clock-cells = <0>;
+	};
+
+	sosc: clock-sosc {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "sosc";
+		#clock-cells = <0>;
+	};
+
+	sirc: clock-sirc {
+		compatible = "fixed-clock";
+		clock-frequency = <16000000>;
+		clock-output-names = "sirc";
+		#clock-cells = <0>;
+	};
+
+	firc: clock-firc {
+		compatible = "fixed-clock";
+		clock-frequency = <48000000>;
+		clock-output-names = "firc";
+		#clock-cells = <0>;
+	};
+
+	upll: clock-upll {
+		compatible = "fixed-clock";
+		clock-frequency = <480000000>;
+		clock-output-names = "upll";
+		#clock-cells = <0>;
+	};
+
+	mpll: clock-mpll {
+		compatible = "fixed-clock";
+		clock-frequency = <480000000>;
+		clock-output-names = "mpll";
+		#clock-cells = <0>;
+	};
+
+	ahbbridge0: bus@40000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x40000000 0x800000>;
+		ranges;
+
+		lpuart4: serial@402d0000 {
+			compatible = "fsl,imx7ulp-lpuart";
+			reg = <0x402d0000 0x1000>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc2 IMX7ULP_CLK_LPUART4>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_LPUART4>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>;
+			assigned-clock-rates = <24000000>;
+			status = "disabled";
+		};
+
+		lpuart5: serial@402e0000 {
+			compatible = "fsl,imx7ulp-lpuart";
+			reg = <0x402e0000 0x1000>;
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc2 IMX7ULP_CLK_LPUART5>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_LPUART5>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC>;
+			assigned-clock-rates = <48000000>;
+			status = "disabled";
+		};
+
+		tpm5: tpm@40260000 {
+			compatible = "fsl,imx7ulp-tpm";
+			reg = <0x40260000 0x1000>;
+			interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
+				 <&pcc2 IMX7ULP_CLK_LPTPM5>;
+			clock-names = "ipg", "per";
+		};
+
+		usdhc0: mmc@40370000 {
+			compatible = "fsl,imx7ulp-usdhc", "fsl,imx6sx-usdhc";
+			reg = <0x40370000 0x10000>;
+			interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
+				 <&scg1 IMX7ULP_CLK_NIC1_DIV>,
+				 <&pcc2 IMX7ULP_CLK_USDHC0>;
+			clock-names ="ipg", "ahb", "per";
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_USDHC0>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_NIC1_DIV>;
+			bus-width = <4>;
+			fsl,tuning-start-tap = <20>;
+			fsl,tuning-step= <2>;
+			status = "disabled";
+		};
+
+		usdhc1: mmc@40380000 {
+			compatible = "fsl,imx7ulp-usdhc", "fsl,imx6sx-usdhc";
+			reg = <0x40380000 0x10000>;
+			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
+				 <&scg1 IMX7ULP_CLK_NIC1_DIV>,
+				 <&pcc2 IMX7ULP_CLK_USDHC1>;
+			clock-names ="ipg", "ahb", "per";
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_USDHC1>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_NIC1_DIV>;
+			bus-width = <4>;
+			fsl,tuning-start-tap = <20>;
+			fsl,tuning-step= <2>;
+			status = "disabled";
+		};
+
+		scg1: clock-controller@403e0000 {
+			compatible = "fsl,imx7ulp-scg1";
+			reg = <0x403e0000 0x10000>;
+			clocks = <&rosc>, <&sosc>, <&sirc>,
+				 <&firc>, <&upll>, <&mpll>;
+			clock-names = "rosc", "sosc", "sirc",
+				      "firc", "upll", "mpll";
+			#clock-cells = <1>;
+		};
+
+		pcc2: clock-controller@403f0000 {
+			compatible = "fsl,imx7ulp-pcc2";
+			reg = <0x403f0000 0x10000>;
+			#clock-cells = <1>;
+			clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
+				 <&scg1 IMX7ULP_CLK_NIC1_DIV>,
+				 <&scg1 IMX7ULP_CLK_DDR_DIV>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD2>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD1>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD0>,
+				 <&scg1 IMX7ULP_CLK_UPLL>,
+				 <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>,
+				 <&scg1 IMX7ULP_CLK_MIPI_PLL>,
+				 <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>,
+				 <&scg1 IMX7ULP_CLK_ROSC>,
+				 <&scg1 IMX7ULP_CLK_SPLL_BUS_CLK>;
+			clock-names = "nic1_bus_clk", "nic1_clk", "ddr_clk",
+				      "apll_pfd2", "apll_pfd1", "apll_pfd0",
+				      "upll", "sosc_bus_clk", "mpll",
+				      "firc_bus_clk", "rosc", "spll_bus_clk";
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_LPTPM5>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>;
+		};
+
+		smc1: smc1@40410000 {
+			compatible = "fsl,imx7ulp-smc1";
+			reg = <0x40410000 0x1000>;
+		};
+
+		pcc3: clock-controller@40b30000 {
+			compatible = "fsl,imx7ulp-pcc3";
+			reg = <0x40b30000 0x10000>;
+			#clock-cells = <1>;
+			clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
+				 <&scg1 IMX7ULP_CLK_NIC1_DIV>,
+				 <&scg1 IMX7ULP_CLK_DDR_DIV>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD2>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD1>,
+				 <&scg1 IMX7ULP_CLK_APLL_PFD0>,
+				 <&scg1 IMX7ULP_CLK_UPLL>,
+				 <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>,
+				 <&scg1 IMX7ULP_CLK_MIPI_PLL>,
+				 <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>,
+				 <&scg1 IMX7ULP_CLK_ROSC>,
+				 <&scg1 IMX7ULP_CLK_SPLL_BUS_CLK>;
+			clock-names = "nic1_bus_clk", "nic1_clk", "ddr_clk",
+				      "apll_pfd2", "apll_pfd1", "apll_pfd0",
+				      "upll", "sosc_bus_clk", "mpll",
+				      "firc_bus_clk", "rosc", "spll_bus_clk";
+		};
+	};
+
+	ahbbridge1: bus@40800000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x40800000 0x800000>;
+		ranges;
+
+		lpi2c6: i2c@40a40000 {
+			compatible = "fsl,imx7ulp-lpi2c";
+			reg = <0x40a40000 0x10000>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc3 IMX7ULP_CLK_LPI2C6>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc3 IMX7ULP_CLK_LPI2C6>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC>;
+			assigned-clock-rates = <48000000>;
+			status = "disabled";
+		};
+
+		lpi2c7: i2c@40a50000 {
+			compatible = "fsl,imx7ulp-lpi2c";
+			reg = <0x40a50000 0x10000>;
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc3 IMX7ULP_CLK_LPI2C7>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc3 IMX7ULP_CLK_LPI2C7>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC>;
+			assigned-clock-rates = <48000000>;
+			status = "disabled";
+		};
+
+		lpuart6: serial@40a60000 {
+			compatible = "fsl,imx7ulp-lpuart";
+			reg = <0x40a60000 0x1000>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc3 IMX7ULP_CLK_LPUART6>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc3 IMX7ULP_CLK_LPUART6>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC>;
+			assigned-clock-rates = <48000000>;
+			status = "disabled";
+		};
+
+		lpuart7: serial@40a70000 {
+			compatible = "fsl,imx7ulp-lpuart";
+			reg = <0x40a70000 0x1000>;
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc3  IMX7ULP_CLK_LPUART7>;
+			clock-names = "ipg";
+			assigned-clocks = <&pcc3 IMX7ULP_CLK_LPUART7>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC>;
+			assigned-clock-rates = <48000000>;
+			status = "disabled";
+		};
+
+		iomuxc1: pinctrl@40ac0000 {
+			compatible = "fsl,imx7ulp-iomuxc1";
+			reg = <0x40ac0000 0x1000>;
+		};
+
+		gpio_ptc: gpio@40ae0000 {
+			compatible = "fsl,imx7ulp-gpio", "fsl,vf610-gpio";
+			reg = <0x40ae0000 0x1000 0x400f0000 0x40>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>,
+				 <&pcc3 IMX7ULP_CLK_PCTLC>;
+			clock-names = "gpio", "port";
+			gpio-ranges = <&iomuxc1 0 0 32>;
+		};
+
+		gpio_ptd: gpio@40af0000 {
+			compatible = "fsl,imx7ulp-gpio", "fsl,vf610-gpio";
+			reg = <0x40af0000 0x1000 0x400f0040 0x40>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>,
+				 <&pcc3 IMX7ULP_CLK_PCTLD>;
+			clock-names = "gpio", "port";
+			gpio-ranges = <&iomuxc1 0 32 32>;
+		};
+
+		gpio_pte: gpio@40b00000 {
+			compatible = "fsl,imx7ulp-gpio", "fsl,vf610-gpio";
+			reg = <0x40b00000 0x1000 0x400f0080 0x40>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>,
+				 <&pcc3 IMX7ULP_CLK_PCTLE>;
+			clock-names = "gpio", "port";
+			gpio-ranges = <&iomuxc1 0 64 32>;
+		};
+
+		gpio_ptf: gpio@40b10000 {
+			compatible = "fsl,imx7ulp-gpio", "fsl,vf610-gpio";
+			reg = <0x40b10000 0x1000 0x400f00c0 0x40>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			clocks = <&pcc2 IMX7ULP_CLK_RGPIO2P1>,
+				 <&pcc3 IMX7ULP_CLK_PCTLF>;
+			clock-names = "gpio", "port";
+			gpio-ranges = <&iomuxc1 0 96 32>;
+		};
+	};
+};