From 97f002d28e975991226ab70599731bd2ccc8c060 Mon Sep 17 00:00:00 2001 From: Peter Robinson Date: Sun, 6 Mar 2016 12:06:41 +0000 Subject: [PATCH] Initial AllWinner A64 and PINE64 support --- Documentation/devicetree/bindings/arm/sunxi.txt | 1 + Documentation/devicetree/bindings/clock/sunxi.txt | 7 + .../devicetree/bindings/vendor-prefixes.txt | 1 + arch/arm/boot/dts/sun8i-h3.dtsi | 18 +- arch/arm/mach-sunxi/Kconfig | 7 + arch/arm64/Kconfig.platforms | 6 + arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/allwinner/Makefile | 5 + .../dts/allwinner/sun50i-a64-pine64-common.dtsi | 80 +++ .../boot/dts/allwinner/sun50i-a64-pine64-plus.dts | 59 ++ .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 58 ++ arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 624 +++++++++++++++++++++ drivers/clk/sunxi/Makefile | 1 + drivers/clk/sunxi/clk-factors.c | 3 +- drivers/clk/sunxi/clk-factors.h | 1 + drivers/clk/sunxi/clk-multi-gates.c | 105 ++++ drivers/clk/sunxi/clk-sunxi.c | 4 +- drivers/crypto/Kconfig | 2 +- 23 files changed, 1582 insertions(+), 16 deletions(-) create mode 100644 arch/arm64/boot/dts/allwinner/Makefile create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-common.dtsi create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi create mode 100644 drivers/clk/sunxi/clk-multi-gates.c create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt index bb9b0faa..8b39d2b 100644 --- a/Documentation/devicetree/bindings/arm/sunxi.txt +++ b/Documentation/devicetree/bindings/arm/sunxi.txt @@ -13,3 +13,4 @@ using one of the following compatible strings: allwinner,sun8i-a83t allwinner,sun8i-h3 allwinner,sun9i-a80 + allwinner,sun50i-a64 diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index e59f57b..8af12b5 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -77,6 +77,8 @@ Required properties: "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80 "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80 "allwinner,sun4i-a10-ve-clk" - for the Video Engine clock + "allwinner,sunxi-multi-bus-gates-clk" - for the multi-parent bus gates + "allwinner,sun50i-a64-bus-gates-clk" - for the bus gates on A64 Required properties for all clocks: - reg : shall be the control register address for the clock. @@ -117,6 +119,11 @@ For "allwinner,sun6i-a31-pll6-clk", there are 2 outputs. The first output is the normal PLL6 output, or "pll6". The second output is rate doubled PLL6, or "pll6x2". +The "allwinner,sunxi-multi-bus-gates-clk" holds the actual clocks in +child nodes, where each one specifies the parent clock that the particular +gates are depending from. The child nodes each follow the common clock +binding as described in this document. + The "allwinner,*-mmc-clk" clocks have three different outputs: the main clock, with the ID 0, and the output and sample clocks, with the IDs 1 and 2, respectively. diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 72e2c5a..0c22fa9 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -175,6 +175,7 @@ parade Parade Technologies Inc. pericom Pericom Technology Inc. phytec PHYTEC Messtechnik GmbH picochip Picochip Ltd +pine64 Pine64 plathome Plat'Home Co., Ltd. plda PLDA pixcir PIXCIR MICROELECTRONICS Co., Ltd diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi index 1524130e..7c50fa0 100644 --- a/arch/arm/boot/dts/sun8i-h3.dtsi +++ b/arch/arm/boot/dts/sun8i-h3.dtsi @@ -137,12 +137,12 @@ clock-output-names = "pll6d2"; }; - /* dummy clock until pll6 can be reused */ - pll8: pll8_clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <1>; - clock-output-names = "pll8"; + pll8: clk@c01c20044 { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c20044 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll8", "pll8x2"; }; cpu: cpu_clk@01c20050 { @@ -243,7 +243,7 @@ #clock-cells = <1>; compatible = "allwinner,sun4i-a10-mmc-clk"; reg = <0x01c20088 0x4>; - clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clocks = <&osc24M>, <&pll6 0>, <&pll8 0>; clock-output-names = "mmc0", "mmc0_output", "mmc0_sample"; @@ -253,7 +253,7 @@ #clock-cells = <1>; compatible = "allwinner,sun4i-a10-mmc-clk"; reg = <0x01c2008c 0x4>; - clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clocks = <&osc24M>, <&pll6 0>, <&pll8 0>; clock-output-names = "mmc1", "mmc1_output", "mmc1_sample"; @@ -263,7 +263,7 @@ #clock-cells = <1>; compatible = "allwinner,sun4i-a10-mmc-clk"; reg = <0x01c20090 0x4>; - clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clocks = <&osc24M>, <&pll6 0>, <&pll8 0>; clock-output-names = "mmc2", "mmc2_output", "mmc2_sample"; diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index c124d65..b305f5b 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -46,4 +46,11 @@ config MACH_SUN9I default ARCH_SUNXI select ARM_GIC +config MACH_SUN50I + bool "Allwinner A64 (sun50i) SoCs support" + default ARCH_SUNXI + select ARM_GIC + select HAVE_ARM_ARCH_TIMER + select PINCTRL_SUN50I_A64 + endif diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 21074f6..63a690d 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -72,6 +72,12 @@ config ARCH_SEATTLE config ARCH_SHMOBILE bool +config ARCH_SUNXI + bool "Allwinner sunxi 64-bit SoC Family" + select PINCTRL_SUN50I_A64 + help + This enables support for Allwinner sunxi based SoCs like the A64. + config ARCH_RENESAS bool "Renesas SoC Platforms" select ARCH_SHMOBILE diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index f832b8a..3b7428a 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -2,3 +2,4 @@ dts-dirs += al +dts-dirs += allwinner dts-dirs += altera dts-dirs += amd diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile new file mode 100644 index 0000000..1e29a5a --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/Makefile @@ -0,0 +1,5 @@ +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb + +always := $(dtb-y) +subdir-y := $(dts-dirs) +clean-files := *.dtb diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-common.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-common.dtsi new file mode 100644 index 0000000..d5a7249 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-common.dtsi @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2016 ARM Ltd. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "sun50i-a64.dtsi" + +/ { + + aliases { + serial0 = &uart0; + }; + + soc { + reg_vcc3v3: vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins>, <&mmc0_default_cd_pin>; + vmmc-supply = <®_vcc3v3>; + cd-gpios = <&pio 5 6 0>; + cd-inverted; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_a>; + status = "okay"; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts new file mode 100644 index 0000000..549dc15 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2016 ARM Ltd. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; + +#include "sun50i-a64-pine64-common.dtsi" + +/ { + model = "Pine64+"; + compatible = "pine64,pine64-plus", "allwinner,sun50i-a64"; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + /* There is a model with 2GB of DRAM, but U-Boot fixes this for us. */ + memory { + reg = <0x40000000 0x40000000>; + }; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts new file mode 100644 index 0000000..ebe029e --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2016 ARM Ltd. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; + +#include "sun50i-a64-pine64-common.dtsi" + +/ { + model = "Pine64"; + compatible = "pine64,pine64", "allwinner,sun50i-a64"; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x40000000 0x20000000>; + }; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi new file mode 100644 index 0000000..1bd436f --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -0,0 +1,624 @@ +/* + * Copyright (C) 2016 ARM Ltd. + * based on the Allwinner H3 dtsi: + * Copyright (C) 2015 Jens Kuske + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include + +/ { + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <0>; + enable-method = "psci"; + }; + + cpu@1 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <1>; + enable-method = "psci"; + }; + + cpu@2 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <2>; + enable-method = "psci"; + }; + + cpu@3 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <3>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + memory { + device_type = "memory"; + reg = <0x40000000 0>; + }; + + gic: interrupt-controller@1c81000 { + compatible = "arm,gic-400"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <0>; + + reg = <0x01c81000 0x1000>, + <0x01c82000 0x2000>, + <0x01c84000 0x2000>, + <0x01c86000 0x2000>; + interrupts = ; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + osc24M: osc24M_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "osc24M"; + }; + + osc32k: osc32k_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + clock-output-names = "osc32k"; + }; + + pll1: pll1_clk@1c20000 { + #clock-cells = <0>; + compatible = "allwinner,sun8i-a23-pll1-clk"; + reg = <0x01c20000 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll1"; + }; + + pll6: pll6_clk@1c20028 { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c20028 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll6", "pll6x2"; + }; + + pll6d2: pll6d2_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <2>; + clock-mult = <1>; + clocks = <&pll6 0>; + clock-output-names = "pll6d2"; + }; + + pll7: pll7_clk@1c2002c { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c2002c 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll7", "pll7x2"; + }; + + cpu: cpu_clk@1c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-cpu-clk"; + reg = <0x01c20050 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>; + clock-output-names = "cpu"; + critical-clocks = <0>; + }; + + axi: axi_clk@1c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-axi-clk"; + reg = <0x01c20050 0x4>; + clocks = <&cpu>; + clock-output-names = "axi"; + }; + + ahb1: ahb1_clk@1c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun6i-a31-ahb1-clk"; + reg = <0x01c20054 0x4>; + clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>; + clock-output-names = "ahb1"; + }; + + ahb2: ahb2_clk@1c2005c { + #clock-cells = <0>; + compatible = "allwinner,sun8i-h3-ahb2-clk"; + reg = <0x01c2005c 0x4>; + clocks = <&ahb1>, <&pll6d2>; + clock-output-names = "ahb2"; + }; + + apb1: apb1_clk@1c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-apb0-clk"; + reg = <0x01c20054 0x4>; + clocks = <&ahb1>; + clock-output-names = "apb1"; + }; + + apb2: apb2_clk@1c20058 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-apb1-clk"; + reg = <0x01c20058 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll6 1>, <&pll6 1>; + clock-output-names = "apb2"; + }; + + bus_gates: bus_gates_clk@1c20060 { + #clock-cells = <1>; + compatible = "allwinner,sun50i-a64-bus-gates-clk", + "allwinner,sunxi-multi-bus-gates-clk"; + reg = <0x01c20060 0x14>; + ahb1_parent { + clocks = <&ahb1>; + clock-indices = <1>, <5>, + <6>, <8>, + <9>, <10>, + <13>, <14>, + <18>, <19>, + <20>, <21>, + <23>, <24>, + <25>, <28>, + <32>, <35>, + <36>, <37>, + <40>, <43>, + <44>, <52>, + <53>, <54>, + <135>; + clock-output-names = "bus_mipidsi", "bus_ce", + "bus_dma", "bus_mmc0", + "bus_mmc1", "bus_mmc2", + "bus_nand", "bus_sdram", + "bus_ts", "bus_hstimer", + "bus_spi0", "bus_spi1", + "bus_otg", "bus_otg_ehci0", + "bus_ehci0", "bus_otg_ohci0", + "bus_ve", "bus_lcd0", + "bus_lcd1", "bus_deint", + "bus_csi", "bus_hdmi", + "bus_de", "bus_gpu", + "bus_msgbox", "bus_spinlock", + "bus_dbg"; + }; + ahb2_parent { + clocks = <&ahb2>; + clock-indices = <17>, <29>; + clock-output-names = "bus_gmac", "bus_ohci0"; + }; + apb1_parent { + clocks = <&apb1>; + clock-indices = <64>, <65>, + <69>, <72>, + <76>, <77>, + <78>; + clock-output-names = "bus_codec", "bus_spdif", + "bus_pio", "bus_ths", + "bus_i2s0", "bus_i2s1", + "bus_i2s2"; + }; + abp2_parent { + clocks = <&apb2>; + clock-indices = <96>, <97>, + <98>, <101>, + <112>, <113>, + <114>, <115>, + <116>; + clock-output-names = "bus_i2c0", "bus_i2c1", + "bus_i2c2", "bus_scr", + "bus_uart0", "bus_uart1", + "bus_uart2", "bus_uart3", + "bus_uart4"; + }; + }; + + mmc0_clk: mmc0_clk@1c20088 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-mod0-clk"; + reg = <0x01c20088 0x4>; + clocks = <&osc24M>, <&pll6 1>, <&pll7 1>; + clock-output-names = "mmc0"; + }; + + mmc1_clk: mmc1_clk@1c2008c { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-mod0-clk"; + reg = <0x01c2008c 0x4>; + clocks = <&osc24M>, <&pll6 1>, <&pll7 1>; + clock-output-names = "mmc1"; + }; + + mmc2_clk: mmc2_clk@1c20090 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-mod0-clk"; + reg = <0x01c20090 0x4>; + clocks = <&osc24M>, <&pll6 1>, <&pll7 1>; + clock-output-names = "mmc2"; + }; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + mmc0: mmc@1c0f000 { + compatible = "allwinner,sun50i-a64-mmc", + "allwinner,sun5i-a13-mmc"; + reg = <0x01c0f000 0x1000>; + clocks = <&bus_gates 8>, <&mmc0_clk>, + <&mmc0_clk>, <&mmc0_clk>; + clock-names = "ahb", "mmc", + "output", "sample"; + resets = <&ahb_rst 8>; + reset-names = "ahb"; + interrupts = ; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + mmc1: mmc@1c10000 { + compatible = "allwinner,sun50i-a64-mmc", + "allwinner,sun5i-a13-mmc"; + reg = <0x01c10000 0x1000>; + clocks = <&bus_gates 9>, <&mmc1_clk>, + <&mmc1_clk>, <&mmc1_clk>; + clock-names = "ahb", "mmc", + "output", "sample"; + resets = <&ahb_rst 9>; + reset-names = "ahb"; + interrupts = ; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + mmc2: mmc@1c11000 { + compatible = "allwinner,sun50i-a64-mmc", + "allwinner,sun5i-a13-mmc"; + reg = <0x01c11000 0x1000>; + clocks = <&bus_gates 10>, <&mmc2_clk>, + <&mmc2_clk>, <&mmc2_clk>; + clock-names = "ahb", "mmc", + "output", "sample"; + resets = <&ahb_rst 10>; + reset-names = "ahb"; + interrupts = ; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + pio: pinctrl@1c20800 { + compatible = "allwinner,sun50i-a64-pinctrl"; + reg = <0x01c20800 0x400>; + interrupts = , + , + ; + clocks = <&bus_gates 69>; + gpio-controller; + #gpio-cells = <3>; + interrupt-controller; + #interrupt-cells = <2>; + + uart0_pins_a: uart0@0 { + allwinner,pins = "PB8", "PB9"; + allwinner,function = "uart0"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart0_pins_b: uart0@1 { + allwinner,pins = "PF2", "PF3"; + allwinner,function = "uart0"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart1_2pins: uart1_2@0 { + allwinner,pins = "PG6", "PG7"; + allwinner,function = "uart1"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart1_4pins: uart1_4@0 { + allwinner,pins = "PG6", "PG7", "PG8", "PG9"; + allwinner,function = "uart1"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart2_2pins: uart2_2@0 { + allwinner,pins = "PB0", "PB1"; + allwinner,function = "uart2"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart2_4pins: uart2_4@0 { + allwinner,pins = "PB0", "PB1", "PB2", "PB3"; + allwinner,function = "uart2"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart3_pins_a: uart3@0 { + allwinner,pins = "PD0", "PD1"; + allwinner,function = "uart3"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart3_2pins_b: uart3_2@1 { + allwinner,pins = "PH4", "PH5"; + allwinner,function = "uart3"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart3_4pins_b: uart3_4@1 { + allwinner,pins = "PH4", "PH5", "PH6", "PH7"; + allwinner,function = "uart3"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart4_2pins: uart4_2@0 { + allwinner,pins = "PD2", "PD3"; + allwinner,function = "uart4"; + allwinner,drive = ; + allwinner,pull = ; + }; + + uart4_4pins: uart4_4@0 { + allwinner,pins = "PD2", "PD3", "PD4", "PD5"; + allwinner,function = "uart4"; + allwinner,drive = ; + allwinner,pull = ; + }; + + mmc0_pins: mmc0@0 { + allwinner,pins = "PF0", "PF1", "PF2", "PF3", + "PF4", "PF5"; + allwinner,function = "mmc0"; + allwinner,drive = ; + allwinner,pull = ; + }; + + mmc0_default_cd_pin: mmc0_cd_pin@0 { + allwinner,pins = "PF6"; + allwinner,function = "gpio_in"; + allwinner,drive = ; + allwinner,pull = ; + }; + + mmc1_pins: mmc1@0 { + allwinner,pins = "PG0", "PG1", "PG2", "PG3", + "PG4", "PG5"; + allwinner,function = "mmc1"; + allwinner,drive = ; + allwinner,pull = ; + }; + + mmc2_pins: mmc2@0 { + allwinner,pins = "PC1", "PC5", "PC6", "PC8", + "PC9", "PC10"; + allwinner,function = "mmc2"; + allwinner,drive = ; + allwinner,pull = ; + }; + + i2c0_pins: i2c0_pins { + allwinner,pins = "PH0", "PH1"; + allwinner,function = "i2c0"; + allwinner,drive = ; + allwinner,pull = ; + }; + + i2c1_pins: i2c1_pins { + allwinner,pins = "PH2", "PH3"; + allwinner,function = "i2c1"; + allwinner,drive = ; + allwinner,pull = ; + }; + + i2c2_pins: i2c2_pins { + allwinner,pins = "PE14", "PE15"; + allwinner,function = "i2c2"; + allwinner,drive = ; + allwinner,pull = ; + }; + }; + + ahb_rst: reset@1c202c0 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-clock-reset"; + reg = <0x01c202c0 0xc>; + }; + + apb1_rst: reset@1c202d0 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-clock-reset"; + reg = <0x01c202d0 0x4>; + }; + + apb2_rst: reset@1c202d8 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-clock-reset"; + reg = <0x01c202d8 0x4>; + }; + + uart0: serial@1c28000 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28000 0x400>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 112>; + resets = <&apb2_rst 16>; + status = "disabled"; + }; + + uart1: serial@1c28400 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28400 0x400>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 113>; + resets = <&apb2_rst 17>; + status = "disabled"; + }; + + uart2: serial@1c28800 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28800 0x400>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 114>; + resets = <&apb2_rst 18>; + status = "disabled"; + }; + + uart3: serial@1c28c00 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28c00 0x400>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 115>; + resets = <&apb2_rst 19>; + status = "disabled"; + }; + + uart4: serial@1c29000 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c29000 0x400>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 116>; + resets = <&apb2_rst 20>; + status = "disabled"; + }; + + rtc: rtc@1f00000 { + compatible = "allwinner,sun6i-a31-rtc"; + reg = <0x01f00000 0x54>; + interrupts = , + ; + }; + + i2c0: i2c@1c2ac00 { + compatible = "allwinner,sun6i-a31-i2c"; + reg = <0x01c2ac00 0x400>; + interrupts = ; + clocks = <&bus_gates 96>; + resets = <&apb2_rst 0>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c1: i2c@1c2b000 { + compatible = "allwinner,sun6i-a31-i2c"; + reg = <0x01c2b000 0x400>; + interrupts = ; + clocks = <&bus_gates 97>; + resets = <&apb2_rst 1>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c2: i2c@1c2b400 { + compatible = "allwinner,sun6i-a31-i2c"; + reg = <0x01c2b400 0x400>; + interrupts = ; + clocks = <&bus_gates 98>; + resets = <&apb2_rst 2>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile index 3fd7901..3a9dc31 100644 --- a/drivers/clk/sunxi/Makefile +++ b/drivers/clk/sunxi/Makefile @@ -11,6 +11,7 @@ obj-y += clk-a10-ve.o obj-y += clk-a20-gmac.o obj-y += clk-mod0.o obj-y += clk-simple-gates.o +obj-y += clk-multi-gates.o obj-y += clk-sun8i-bus-gates.o obj-y += clk-sun8i-mbus.o obj-y += clk-sun9i-core.o diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c index 59428db..607ba53 100644 --- a/drivers/clk/sunxi/clk-factors.c +++ b/drivers/clk/sunxi/clk-factors.c @@ -184,7 +184,8 @@ struct clk *sunxi_factors_register(struct device_node *node, if (data->name) clk_name = data->name; else - of_property_read_string(node, "clock-output-names", &clk_name); + of_property_read_string_index(node, "clock-output-names", + data->name_idx, &clk_name); factors = kzalloc(sizeof(struct clk_factors), GFP_KERNEL); if (!factors) diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h index 171085a..cc89d1f 100644 --- a/drivers/clk/sunxi/clk-factors.h +++ b/drivers/clk/sunxi/clk-factors.h @@ -26,6 +26,7 @@ struct factors_data { void (*getter)(struct factors_request *req); void (*recalc)(struct factors_request *req); const char *name; + int name_idx; }; struct clk_factors { diff --git a/drivers/clk/sunxi/clk-multi-gates.c b/drivers/clk/sunxi/clk-multi-gates.c new file mode 100644 index 0000000..76e715a --- /dev/null +++ b/drivers/clk/sunxi/clk-multi-gates.c @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2016 ARM Ltd. + * + * Based on clk-sun8i-bus-gates.c, which is: + * Copyright (C) 2015 Jens Kuske + * Based on clk-simple-gates.c, which is: + * Copyright 2015 Maxime Ripard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include + +static DEFINE_SPINLOCK(gates_lock); + +static void __init sunxi_parse_parent(struct device_node *node, + struct clk_onecell_data *clk_data, + void __iomem *reg) +{ + const char *parent = of_clk_get_parent_name(node, 0); + const char *clk_name; + struct property *prop; + struct clk *clk; + const __be32 *p; + int index, i = 0; + + of_property_for_each_u32(node, "clock-indices", prop, p, index) { + of_property_read_string_index(node, "clock-output-names", + i, &clk_name); + + clk = clk_register_gate(NULL, clk_name, parent, 0, + reg + 4 * (index / 32), index % 32, + 0, &gates_lock); + i++; + if (IS_ERR(clk)) { + pr_warn("could not register gate clock \"%s\"\n", + clk_name); + continue; + } + if (clk_data->clks[index]) + pr_warn("bus-gate clock %s: index #%d already registered as %s\n", + clk_name, index, "?"); + else + clk_data->clks[index] = clk; + } +} + +static void __init sunxi_multi_bus_gates_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + struct device_node *child; + struct property *prop; + struct resource res; + void __iomem *reg; + const __be32 *p; + int number = 0; + int index; + + reg = of_io_request_and_map(node, 0, of_node_full_name(node)); + if (IS_ERR(reg)) + return; + + clk_data = kmalloc(sizeof(struct clk_onecell_data), GFP_KERNEL); + if (!clk_data) + goto err_unmap; + + for_each_child_of_node(node, child) + of_property_for_each_u32(child, "clock-indices", prop, p, index) + number = max(number, index); + + clk_data->clks = kcalloc(number + 1, sizeof(struct clk *), GFP_KERNEL); + if (!clk_data->clks) + goto err_free_data; + + for_each_child_of_node(node, child) + sunxi_parse_parent(child, clk_data, reg); + + clk_data->clk_num = number + 1; + if (of_clk_add_provider(node, of_clk_src_onecell_get, clk_data)) + pr_err("registering bus-gate clock %s failed\n", node->name); + + return; + +err_free_data: + kfree(clk_data); +err_unmap: + iounmap(reg); + of_address_to_resource(node, 0, &res); + release_mem_region(res.start, resource_size(&res)); +} + +CLK_OF_DECLARE(sunxi_multi_bus_gates, "allwinner,sunxi-multi-bus-gates-clk", + sunxi_multi_bus_gates_init); diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 5ba2188..ca59458 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -711,14 +711,14 @@ static const struct factors_data sun4i_pll6_data __initconst = { .enable = 31, .table = &sun4i_pll5_config, .getter = sun4i_get_pll5_factors, - .name = "pll6", + .name_idx = 2, }; static const struct factors_data sun6i_a31_pll6_data __initconst = { .enable = 31, .table = &sun6i_a31_pll6_config, .getter = sun6i_a31_get_pll6_factors, - .name = "pll6x2", + .name_idx = 1, }; static const struct factors_data sun5i_a13_ahb_data __initconst = { -- 2.5.0