diff options
33 files changed, 442 insertions, 347 deletions
diff --git a/Documentation/devicetree/bindings/clock/rockchip.txt b/Documentation/devicetree/bindings/clock/rockchip.txt deleted file mode 100644 index 22f6769e5d4a..000000000000 --- a/Documentation/devicetree/bindings/clock/rockchip.txt +++ /dev/null @@ -1,77 +0,0 @@ -Device Tree Clock bindings for arch-rockchip - -This binding uses the common clock binding[1]. - -[1] Documentation/devicetree/bindings/clock/clock-bindings.txt - -== Gate clocks == - -These bindings are deprecated! -Please use the soc specific CRU bindings instead. - -The gate registers form a continuos block which makes the dt node -structure a matter of taste, as either all gates can be put into -one gate clock spanning all registers or they can be divided into -the 10 individual gates containing 16 clocks each. -The code supports both approaches. - -Required properties: -- compatible : "rockchip,rk2928-gate-clk" -- reg : shall be the control register address(es) for the clock. -- #clock-cells : from common clock binding; shall be set to 1 -- clock-output-names : the corresponding gate names that the clock controls -- clocks : should contain the parent clock for each individual gate, - therefore the number of clocks elements should match the number of - clock-output-names - -Example using multiple gate clocks: - - clk_gates0: gate-clk@200000d0 { - compatible = "rockchip,rk2928-gate-clk"; - reg = <0x200000d0 0x4>; - clocks = <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>, - <&dummy>, <&dummy>; - - clock-output-names = - "gate_core_periph", "gate_cpu_gpll", - "gate_ddrphy", "gate_aclk_cpu", - "gate_hclk_cpu", "gate_pclk_cpu", - "gate_atclk_cpu", "gate_i2s0", - "gate_i2s0_frac", "gate_i2s1", - "gate_i2s1_frac", "gate_i2s2", - "gate_i2s2_frac", "gate_spdif", - "gate_spdif_frac", "gate_testclk"; - - #clock-cells = <1>; - }; - - clk_gates1: gate-clk@200000d4 { - compatible = "rockchip,rk2928-gate-clk"; - reg = <0x200000d4 0x4>; - clocks = <&xin24m>, <&xin24m>, - <&xin24m>, <&dummy>, - <&dummy>, <&xin24m>, - <&xin24m>, <&dummy>, - <&xin24m>, <&dummy>, - <&xin24m>, <&dummy>, - <&xin24m>, <&dummy>, - <&xin24m>, <&dummy>; - - clock-output-names = - "gate_timer0", "gate_timer1", - "gate_timer2", "gate_jtag", - "gate_aclk_lcdc1_src", "gate_otgphy0", - "gate_otgphy1", "gate_ddr_gpll", - "gate_uart0", "gate_frac_uart0", - "gate_uart1", "gate_frac_uart1", - "gate_uart2", "gate_frac_uart2", - "gate_uart3", "gate_frac_uart3"; - - #clock-cells = <1>; - }; diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index 460ef27b1008..47d2e902ced4 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -21,6 +21,7 @@ Required properties : - "allwinner,sun50i-a64-r-ccu" - "allwinner,sun50i-h5-ccu" - "allwinner,sun50i-h6-ccu" + - "allwinner,sun50i-h6-r-ccu" - "nextthing,gr8-ccu" - reg: Must contain the registers base address and length @@ -35,7 +36,7 @@ Required properties : For the main CCU on H6, one more clock is needed: - "iosc": the SoC's internal frequency oscillator -For the PRCM CCUs on A83T/H3/A64, two more clocks are needed: +For the PRCM CCUs on A83T/H3/A64/H6, two more clocks are needed: - "pll-periph": the SoC's peripheral PLL from the main CCU - "iosc": the SoC's internal frequency oscillator diff --git a/drivers/clk/berlin/berlin2-avpll.c b/drivers/clk/berlin/berlin2-avpll.c index cfcae468e989..aa89b4c9464e 100644 --- a/drivers/clk/berlin/berlin2-avpll.c +++ b/drivers/clk/berlin/berlin2-avpll.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Alexandre Belloni <alexandre.belloni@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk-provider.h> #include <linux/io.h> diff --git a/drivers/clk/berlin/berlin2-avpll.h b/drivers/clk/berlin/berlin2-avpll.h index 17e311153b42..f3af34dc2bee 100644 --- a/drivers/clk/berlin/berlin2-avpll.h +++ b/drivers/clk/berlin/berlin2-avpll.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Alexandre Belloni <alexandre.belloni@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __BERLIN2_AVPLL_H #define __BERLIN2_AVPLL_H diff --git a/drivers/clk/berlin/berlin2-div.c b/drivers/clk/berlin/berlin2-div.c index 41ab2d392c57..4d0be66aa6a8 100644 --- a/drivers/clk/berlin/berlin2-div.c +++ b/drivers/clk/berlin/berlin2-div.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Alexandre Belloni <alexandre.belloni@free-electrons.com> * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/bitops.h> #include <linux/clk-provider.h> diff --git a/drivers/clk/berlin/berlin2-div.h b/drivers/clk/berlin/berlin2-div.h index e835ddf8374a..d4da64325190 100644 --- a/drivers/clk/berlin/berlin2-div.h +++ b/drivers/clk/berlin/berlin2-div.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Alexandre Belloni <alexandre.belloni@free-electrons.com> * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __BERLIN2_DIV_H #define __BERLIN2_DIV_H diff --git a/drivers/clk/berlin/berlin2-pll.c b/drivers/clk/berlin/berlin2-pll.c index 4ffbe80f6323..9661820717a5 100644 --- a/drivers/clk/berlin/berlin2-pll.c +++ b/drivers/clk/berlin/berlin2-pll.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Alexandre Belloni <alexandre.belloni@free-electrons.com> * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk-provider.h> #include <linux/io.h> diff --git a/drivers/clk/berlin/berlin2-pll.h b/drivers/clk/berlin/berlin2-pll.h index 583e024b9bed..3757fb25c4e8 100644 --- a/drivers/clk/berlin/berlin2-pll.h +++ b/drivers/clk/berlin/berlin2-pll.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Alexandre Belloni <alexandre.belloni@free-electrons.com> * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __BERLIN2_PLL_H #define __BERLIN2_PLL_H diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c index e7331ace0337..cd2905364261 100644 --- a/drivers/clk/berlin/bg2.c +++ b/drivers/clk/berlin/bg2.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Alexandre Belloni <alexandre.belloni@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c index 67c270b143f7..9ca26f3bc6e6 100644 --- a/drivers/clk/berlin/bg2q.c +++ b/drivers/clk/berlin/bg2q.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Alexandre Belloni <alexandre.belloni@free-electrons.com> * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> diff --git a/drivers/clk/berlin/common.h b/drivers/clk/berlin/common.h index bc68a14c4550..1afb3c29b796 100644 --- a/drivers/clk/berlin/common.h +++ b/drivers/clk/berlin/common.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014 Marvell Technology Group Ltd. * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * Alexandre Belloni <alexandre.belloni@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __BERLIN2_COMMON_H #define __BERLIN2_COMMON_H diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c index b8064a336d46..39ce64c2783b 100644 --- a/drivers/clk/qcom/common.c +++ b/drivers/clk/qcom/common.c @@ -228,22 +228,6 @@ int qcom_cc_really_probe(struct platform_device *pdev, if (!cc) return -ENOMEM; - cc->rclks = rclks; - cc->num_rclks = num_clks; - - for (i = 0; i < num_clks; i++) { - if (!rclks[i]) - continue; - - ret = devm_clk_register_regmap(dev, rclks[i]); - if (ret) - return ret; - } - - ret = devm_of_clk_add_hw_provider(dev, qcom_cc_clk_hw_get, cc); - if (ret) - return ret; - reset = &cc->reset; reset->rcdev.of_node = dev->of_node; reset->rcdev.ops = &qcom_reset_ops; @@ -272,6 +256,22 @@ int qcom_cc_really_probe(struct platform_device *pdev, return ret; } + cc->rclks = rclks; + cc->num_rclks = num_clks; + + for (i = 0; i < num_clks; i++) { + if (!rclks[i]) + continue; + + ret = devm_clk_register_regmap(dev, rclks[i]); + if (ret) + return ret; + } + + ret = devm_of_clk_add_hw_provider(dev, qcom_cc_clk_hw_get, cc); + if (ret) + return ret; + return 0; } EXPORT_SYMBOL_GPL(qcom_cc_really_probe); diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c index 3d6452932797..90ac99389075 100644 --- a/drivers/clk/qcom/gcc-msm8996.c +++ b/drivers/clk/qcom/gcc-msm8996.c @@ -3105,7 +3105,7 @@ static struct gdsc aggre0_noc_gdsc = { .name = "aggre0_noc", }, .pwrsts = PWRSTS_OFF_ON, - .flags = VOTABLE, + .flags = VOTABLE | ALWAYS_ON, }; static struct gdsc hlos1_vote_aggre0_noc_gdsc = { diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c index a4f3580587b7..15f4bb5efd68 100644 --- a/drivers/clk/qcom/gdsc.c +++ b/drivers/clk/qcom/gdsc.c @@ -291,6 +291,14 @@ static int gdsc_init(struct gdsc *sc) if ((sc->flags & VOTABLE) && on) gdsc_enable(&sc->pd); + /* If ALWAYS_ON GDSCs are not ON, turn them ON */ + if (sc->flags & ALWAYS_ON) { + if (!on) + gdsc_enable(&sc->pd); + on = true; + sc->pd.flags |= GENPD_FLAG_ALWAYS_ON; + } + if (on || (sc->pwrsts & PWRSTS_RET)) gdsc_force_mem_on(sc); else diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h index 39648348e5ec..7fd78cec7e5b 100644 --- a/drivers/clk/qcom/gdsc.h +++ b/drivers/clk/qcom/gdsc.h @@ -53,6 +53,7 @@ struct gdsc { #define VOTABLE BIT(0) #define CLAMP_IO BIT(1) #define HW_CTRL BIT(2) +#define ALWAYS_ON BIT(3) struct reset_controller_dev *rcdev; unsigned int *resets; unsigned int reset_count; diff --git a/drivers/clk/qcom/mmcc-msm8996.c b/drivers/clk/qcom/mmcc-msm8996.c index 66a2fa4ec93c..1a25ee4f3658 100644 --- a/drivers/clk/qcom/mmcc-msm8996.c +++ b/drivers/clk/qcom/mmcc-msm8996.c @@ -1245,7 +1245,7 @@ static struct clk_branch mmss_mmagic_ahb_clk = { .name = "mmss_mmagic_ahb_clk", .parent_names = (const char *[]){ "ahb_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1260,7 +1260,7 @@ static struct clk_branch mmss_mmagic_cfg_ahb_clk = { .name = "mmss_mmagic_cfg_ahb_clk", .parent_names = (const char *[]){ "ahb_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1319,7 +1319,7 @@ static struct clk_branch mmagic_camss_axi_clk = { .name = "mmagic_camss_axi_clk", .parent_names = (const char *[]){ "axi_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1334,7 +1334,7 @@ static struct clk_branch mmagic_camss_noc_cfg_ahb_clk = { .name = "mmagic_camss_noc_cfg_ahb_clk", .parent_names = (const char *[]){ "gcc_mmss_noc_cfg_ahb_clk" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1439,7 +1439,7 @@ static struct clk_branch mmagic_mdss_axi_clk = { .name = "mmagic_mdss_axi_clk", .parent_names = (const char *[]){ "axi_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1454,7 +1454,7 @@ static struct clk_branch mmagic_mdss_noc_cfg_ahb_clk = { .name = "mmagic_mdss_noc_cfg_ahb_clk", .parent_names = (const char *[]){ "gcc_mmss_noc_cfg_ahb_clk" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1529,7 +1529,7 @@ static struct clk_branch mmagic_video_axi_clk = { .name = "mmagic_video_axi_clk", .parent_names = (const char *[]){ "axi_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -1544,7 +1544,7 @@ static struct clk_branch mmagic_video_noc_cfg_ahb_clk = { .name = "mmagic_video_noc_cfg_ahb_clk", .parent_names = (const char *[]){ "gcc_mmss_noc_cfg_ahb_clk" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -2919,7 +2919,7 @@ static struct gdsc mmagic_video_gdsc = { .name = "mmagic_video", }, .pwrsts = PWRSTS_OFF_ON, - .flags = VOTABLE, + .flags = VOTABLE | ALWAYS_ON, }; static struct gdsc mmagic_mdss_gdsc = { @@ -2929,7 +2929,7 @@ static struct gdsc mmagic_mdss_gdsc = { .name = "mmagic_mdss", }, .pwrsts = PWRSTS_OFF_ON, - .flags = VOTABLE, + .flags = VOTABLE | ALWAYS_ON, }; static struct gdsc mmagic_camss_gdsc = { @@ -2939,7 +2939,7 @@ static struct gdsc mmagic_camss_gdsc = { .name = "mmagic_camss", }, .pwrsts = PWRSTS_OFF_ON, - .flags = VOTABLE, + .flags = VOTABLE | ALWAYS_ON, }; static struct gdsc venus_gdsc = { diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index 59b8d320960a..98e7b9429b83 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -3,7 +3,6 @@ # Rockchip Clock specific Makefile # -obj-y += clk-rockchip.o obj-y += clk.o obj-y += clk-pll.o obj-y += clk-cpu.o diff --git a/drivers/clk/rockchip/clk-rockchip.c b/drivers/clk/rockchip/clk-rockchip.c deleted file mode 100644 index 2c9bb81144c9..000000000000 --- a/drivers/clk/rockchip/clk-rockchip.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2013 MundoReader S.L. - * Author: Heiko Stuebner <heiko@sntech.de> - * - * 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 <linux/clk-provider.h> -#include <linux/clkdev.h> -#include <linux/of.h> -#include <linux/of_address.h> - -static DEFINE_SPINLOCK(clk_lock); - -/* - * Gate clocks - */ - -static void __init rk2928_gate_clk_init(struct device_node *node) -{ - struct clk_onecell_data *clk_data; - const char *clk_parent; - const char *clk_name; - void __iomem *reg; - void __iomem *reg_idx; - int flags; - int qty; - int reg_bit; - int clkflags = CLK_SET_RATE_PARENT; - int i; - - qty = of_property_count_strings(node, "clock-output-names"); - if (qty < 0) { - pr_err("%s: error in clock-output-names %d\n", __func__, qty); - return; - } - - if (qty == 0) { - pr_info("%s: nothing to do\n", __func__); - return; - } - - reg = of_iomap(node, 0); - if (!reg) - return; - - clk_data = kzalloc(sizeof(struct clk_onecell_data), GFP_KERNEL); - if (!clk_data) { - iounmap(reg); - return; - } - - clk_data->clks = kzalloc(qty * sizeof(struct clk *), GFP_KERNEL); - if (!clk_data->clks) { - kfree(clk_data); - iounmap(reg); - return; - } - - flags = CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE; - - for (i = 0; i < qty; i++) { - of_property_read_string_index(node, "clock-output-names", - i, &clk_name); - - /* ignore empty slots */ - if (!strcmp("reserved", clk_name)) - continue; - - clk_parent = of_clk_get_parent_name(node, i); - - /* keep all gates untouched for now */ - clkflags |= CLK_IGNORE_UNUSED; - - reg_idx = reg + (4 * (i / 16)); - reg_bit = (i % 16); - - clk_data->clks[i] = clk_register_gate(NULL, clk_name, - clk_parent, clkflags, - reg_idx, reg_bit, - flags, - &clk_lock); - WARN_ON(IS_ERR(clk_data->clks[i])); - } - - clk_data->clk_num = qty; - - of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); -} -CLK_OF_DECLARE(rk2928_gate, "rockchip,rk2928-gate-clk", rk2928_gate_clk_init); diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 3cd8ad59e0b7..326b3fa44f5d 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -274,18 +274,10 @@ static struct clk *rockchip_clk_register_frac_branch( struct clk_mux *frac_mux = &frac->mux; struct clk_init_data init; struct clk *mux_clk; - int i, ret; - - frac->mux_frac_idx = -1; - for (i = 0; i < child->num_parents; i++) { - if (!strcmp(name, child->parent_names[i])) { - pr_debug("%s: found fractional parent in mux at pos %d\n", - __func__, i); - frac->mux_frac_idx = i; - break; - } - } + int ret; + frac->mux_frac_idx = match_string(child->parent_names, + child->num_parents, name); frac->mux_ops = &clk_mux_ops; frac->clk_nb.notifier_call = rockchip_clk_frac_notifier_cb; @@ -312,6 +304,8 @@ static struct clk *rockchip_clk_register_frac_branch( /* notifier on the fraction divider to catch rate changes */ if (frac->mux_frac_idx >= 0) { + pr_debug("%s: found fractional parent in mux at pos %d\n", + __func__, frac->mux_frac_idx); ret = clk_notifier_register(clk, &frac->clk_nb); if (ret) pr_err("%s: failed to register clock notifier for %s\n", diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index 79dfd296c3d1..826674d090fd 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -16,6 +16,11 @@ config SUN50I_H6_CCU default ARM64 && ARCH_SUNXI depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST +config SUN50I_H6_R_CCU + bool "Support for the Allwinner H6 PRCM CCU" + default ARM64 && ARCH_SUNXI + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST + config SUN4I_A10_CCU bool "Support for the Allwinner A10/A20 CCU" default MACH_SUN4I diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile index 128a40ee5c5e..acaa14cfa25c 100644 --- a/drivers/clk/sunxi-ng/Makefile +++ b/drivers/clk/sunxi-ng/Makefile @@ -23,6 +23,7 @@ lib-$(CONFIG_SUNXI_CCU) += ccu_mp.o # SoC support obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o +obj-$(CONFIG_SUN50I_H6_R_CCU) += ccu-sun50i-h6-r.o obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c new file mode 100644 index 000000000000..27554eaf6929 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c @@ -0,0 +1,207 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.xyz> + */ + +#include <linux/clk-provider.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> + +#include "ccu_common.h" +#include "ccu_reset.h" + +#include "ccu_div.h" +#include "ccu_gate.h" +#include "ccu_mp.h" +#include "ccu_nm.h" + +#include "ccu-sun50i-h6-r.h" + +/* + * Information about AR100 and AHB/APB clocks in R_CCU are gathered from + * clock definitions in the BSP source code. + */ + +static const char * const ar100_r_apb2_parents[] = { "osc24M", "osc32k", + "pll-periph0", "iosc" }; +static const struct ccu_mux_var_prediv ar100_r_apb2_predivs[] = { + { .index = 2, .shift = 0, .width = 5 }, +}; + +static struct ccu_div ar100_clk = { + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + + .mux = { + .shift = 24, + .width = 2, + + .var_predivs = ar100_r_apb2_predivs, + .n_var_predivs = ARRAY_SIZE(ar100_r_apb2_predivs), + }, + + .common = { + .reg = 0x000, + .features = CCU_FEATURE_VARIABLE_PREDIV, + .hw.init = CLK_HW_INIT_PARENTS("ar100", + ar100_r_apb2_parents, + &ccu_div_ops, + 0), + }, +}; + +static CLK_FIXED_FACTOR(r_ahb_clk, "r-ahb", "ar100", 1, 1, 0); + +static struct ccu_div r_apb1_clk = { + .div = _SUNXI_CCU_DIV(0, 2), + + .common = { + .reg = 0x00c, + .hw.init = CLK_HW_INIT("r-apb1", + "r-ahb", + &ccu_div_ops, + 0), + }, +}; + +static struct ccu_div r_apb2_clk = { + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + + .mux = { + .shift = 24, + .width = 2, + + .var_predivs = ar100_r_apb2_predivs, + .n_var_predivs = ARRAY_SIZE(ar100_r_apb2_predivs), + }, + + .common = { + .reg = 0x010, + .features = CCU_FEATURE_VARIABLE_PREDIV, + .hw.init = CLK_HW_INIT_PARENTS("r-apb2", + ar100_r_apb2_parents, + &ccu_div_ops, + 0), + }, +}; + +/* + * Information about the gate/resets are gathered from the clock header file + * in the BSP source code, although most of them are unused. The existence + * of the hardware block is verified with "3.1 Memory Mapping" chapter in + * "Allwinner H6 V200 User Manual V1.1"; and the parent APB buses are verified + * with "3.3.2.1 System Bus Tree" chapter inthe same document. + */ +static SUNXI_CCU_GATE(r_apb1_timer_clk, "r-apb1-timer", "r-apb1", + 0x11c, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb1_twd_clk, "r-apb1-twd", "r-apb1", + 0x12c, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb1_pwm_clk, "r-apb1-pwm", "r-apb1", + 0x13c, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb2_uart_clk, "r-apb2-uart", "r-apb2", + 0x18c, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb2_i2c_clk, "r-apb2-i2c", "r-apb2", + 0x19c, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb1_ir_clk, "r-apb1-ir", "r-apb1", + 0x1cc, BIT(0), 0); +static SUNXI_CCU_GATE(r_apb1_w1_clk, "r-apb1-w1", "r-apb1", + 0x1cc, BIT(0), 0); + +/* Information of IR(RX) mod clock is gathered from BSP source code */ +static const char * const r_mod0_default_parents[] = { "osc32k", "osc24M" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", + r_mod0_default_parents, 0x1c0, + 0, 5, /* M */ + 8, 2, /* P */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +/* + * BSP didn't use the 1-wire function at all now, and the information about + * this mod clock is guessed from the IR mod clock above. The existence of + * this mod clock is proven by BSP clock header, and the dividers are verified + * by contents in the 1-wire related chapter of the User Manual. + */ + +static SUNXI_CCU_MP_WITH_MUX_GATE(w1_clk, "w1", + r_mod0_default_parents, 0x1e0, + 0, 5, /* M */ + 8, 2, /* P */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static struct ccu_common *sun50i_h6_r_ccu_clks[] = { + &ar100_clk.common, + &r_apb1_clk.common, + &r_apb2_clk.common, + &r_apb1_timer_clk.common, + &r_apb1_twd_clk.common, + &r_apb1_pwm_clk.common, + &r_apb2_uart_clk.common, + &r_apb2_i2c_clk.common, + &r_apb1_ir_clk.common, + &r_apb1_w1_clk.common, + &ir_clk.common, + &w1_clk.common, +}; + +static struct clk_hw_onecell_data sun50i_h6_r_hw_clks = { + .hws = { + [CLK_AR100] = &ar100_clk.common.hw, + [CLK_R_AHB] = &r_ahb_clk.hw, + [CLK_R_APB1] = &r_apb1_clk.common.hw, + [CLK_R_APB2] = &r_apb2_clk.common.hw, + [CLK_R_APB1_TIMER] = &r_apb1_timer_clk.common.hw, + [CLK_R_APB1_TWD] = &r_apb1_twd_clk.common.hw, + [CLK_R_APB1_PWM] = &r_apb1_pwm_clk.common.hw, + [CLK_R_APB2_UART] = &r_apb2_uart_clk.common.hw, + [CLK_R_APB2_I2C] = &r_apb2_i2c_clk.common.hw, + [CLK_R_APB1_IR] = &r_apb1_ir_clk.common.hw, + [CLK_R_APB1_W1] = &r_apb1_w1_clk.common.hw, + [CLK_IR] = &ir_clk.common.hw, + [CLK_W1] = &w1_clk.common.hw, + }, + .num = CLK_NUMBER, +}; + +static struct ccu_reset_map sun50i_h6_r_ccu_resets[] = { + [RST_R_APB1_TIMER] = { 0x11c, BIT(16) }, + [RST_R_APB1_TWD] = { 0x12c, BIT(16) }, + [RST_R_APB1_PWM] = { 0x13c, BIT(16) }, + [RST_R_APB2_UART] = { 0x18c, BIT(16) }, + [RST_R_APB2_I2C] = { 0x19c, BIT(16) }, + [RST_R_APB1_IR] = { 0x1cc, BIT(16) }, + [RST_R_APB1_W1] = { 0x1ec, BIT(16) }, +}; + +static const struct sunxi_ccu_desc sun50i_h6_r_ccu_desc = { + .ccu_clks = sun50i_h6_r_ccu_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_h6_r_ccu_clks), + + .hw_clks = &sun50i_h6_r_hw_clks, + + .resets = sun50i_h6_r_ccu_resets, + .num_resets = ARRAY_SIZE(sun50i_h6_r_ccu_resets), +}; + +static void __init sunxi_r_ccu_init(struct device_node *node, + const struct sunxi_ccu_desc *desc) +{ + void __iomem *reg; + + reg = of_io_request_and_map(node, 0, of_node_full_name(node)); + if (IS_ERR(reg)) { + pr_err("%pOF: Could not map the clock registers\n", node); + return; + } + + sunxi_ccu_probe(node, reg, desc); +} + +static void __init sun50i_h6_r_ccu_setup(struct device_node *node) +{ + sunxi_r_ccu_init(node, &sun50i_h6_r_ccu_desc); +} +CLK_OF_DECLARE(sun50i_h6_r_ccu, "allwinner,sun50i-h6-r-ccu", + sun50i_h6_r_ccu_setup); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h new file mode 100644 index 000000000000..782117dc0b28 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2017 Icenowy Zheng <icenowy@aosc.xyz> + */ + +#ifndef _CCU_SUN50I_H6_R_H +#define _CCU_SUN50I_H6_R_H + +#include <dt-bindings/clock/sun50i-h6-r-ccu.h> +#include <dt-bindings/reset/sun50i-h6-r-ccu.h> + +/* AHB/APB bus clocks are not exported except APB1 for R_PIO */ +#define CLK_R_AHB 1 + +#define CLK_R_APB2 3 + +#define CLK_NUMBER (CLK_W1 + 1) + +#endif /* _CCU_SUN50I_H6_R_H */ diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c index 933f2e68f42a..65ba6455feb7 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c @@ -12,7 +12,8 @@ */ #include <linux/clk-provider.h> -#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> #include "ccu_common.h" #include "ccu_reset.h" @@ -1250,17 +1251,45 @@ static struct ccu_mux_nb sun8i_r40_cpu_nb = { .bypass_index = 1, /* index of 24 MHz oscillator */ }; -static void __init sun8i_r40_ccu_setup(struct device_node *node) +/* + * Add a regmap for the GMAC driver (dwmac-sun8i) to access the + * GMAC configuration register. + * Only this register is allowed to be written, in order to + * prevent overriding critical clock configuration. + */ + +#define SUN8I_R40_GMAC_CFG_REG 0x164 +static bool sun8i_r40_ccu_regmap_accessible_reg(struct device *dev, + unsigned int reg) +{ + if (reg == SUN8I_R40_GMAC_CFG_REG) + return true; + return false; +} + +static struct regmap_config sun8i_r40_ccu_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = 0x320, /* PLL_LOCK_CTRL_REG */ + + /* other devices have no business accessing other registers */ + .readable_reg = sun8i_r40_ccu_regmap_accessible_reg, + .writeable_reg = sun8i_r40_ccu_regmap_accessible_reg, +}; + +static int sun8i_r40_ccu_probe(struct platform_device *pdev) { + struct resource *res; + struct regmap *regmap; void __iomem *reg; u32 val; + int ret; - reg = of_io_request_and_map(node, 0, of_node_full_name(node)); - if (IS_ERR(reg)) { - pr_err("%s: Could not map the clock registers\n", - of_node_full_name(node)); - return; - } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + reg = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(reg)) + return PTR_ERR(reg); /* Force the PLL-Audio-1x divider to 4 */ val = readl(reg + SUN8I_R40_PLL_AUDIO_REG); @@ -1277,7 +1306,14 @@ static void __init sun8i_r40_ccu_setup(struct device_node *node) val &= ~GENMASK(25, 20); writel(val, reg + SUN8I_R40_USB_CLK_REG); - sunxi_ccu_probe(node, reg, &sun8i_r40_ccu_desc); + regmap = devm_regmap_init_mmio(&pdev->dev, reg, + &sun8i_r40_ccu_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_r40_ccu_desc); + if (ret) + return ret; /* Gate then ungate PLL CPU after any rate changes */ ccu_pll_notifier_register(&sun8i_r40_pll_cpu_nb); @@ -1285,6 +1321,20 @@ static void __init sun8i_r40_ccu_setup(struct device_node *node) /* Reparent CPU during PLL CPU rate changes */ ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk, &sun8i_r40_cpu_nb); + + return 0; } -CLK_OF_DECLARE(sun8i_r40_ccu, "allwinner,sun8i-r40-ccu", - sun8i_r40_ccu_setup); + +static const struct of_device_id sun8i_r40_ccu_ids[] = { + { .compatible = "allwinner,sun8i-r40-ccu" }, + { } +}; + +static struct platform_driver sun8i_r40_ccu_driver = { + .probe = sun8i_r40_ccu_probe, + .driver = { + .name = "sun8i-r40-ccu", + .of_match_table = sun8i_r40_ccu_ids, + }, +}; +builtin_platform_driver(sun8i_r40_ccu_driver); diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 5d5a22d529f5..1824f014202b 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -1367,7 +1367,7 @@ static void __init tegra114_clock_init(struct device_node *np) tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, &pll_x_params); - tegra_add_of_provider(np); + tegra_add_of_provider(np, of_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); tegra_clk_apply_init_table = tegra114_clock_apply_init_table; diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index 50088e976611..0c69c7970950 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -1479,7 +1479,7 @@ static void __init tegra124_132_clock_init_post(struct device_node *np) &pll_x_params); tegra_init_special_resets(1, tegra124_reset_assert, tegra124_reset_deassert); - tegra_add_of_provider(np); + tegra_add_of_provider(np, of_clk_src_onecell_get); clks[TEGRA124_CLK_EMC] = tegra_clk_register_emc(clk_base, np, &emc_lock); diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 0ee56dd04cec..cc857d4d4a86 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -26,6 +26,8 @@ #include "clk.h" #include "clk-id.h" +#define MISC_CLK_ENB 0x48 + #define OSC_CTRL 0x50 #define OSC_CTRL_OSC_FREQ_MASK (3<<30) #define OSC_CTRL_OSC_FREQ_13MHZ (0<<30) @@ -831,15 +833,25 @@ static void __init tegra20_periph_clk_init(void) periph_clk_enb_refcnt); clks[TEGRA20_CLK_PEX] = clk; + /* dev1 OSC divider */ + clk_register_divider(NULL, "dev1_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 22, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + + /* dev2 OSC divider */ + clk_register_divider(NULL, "dev2_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 20, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + /* cdev1 */ - clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, 0, 26000000); - clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0, + clk = tegra_clk_register_periph_gate("cdev1", "cdev1_mux", 0, clk_base, 0, 94, periph_clk_enb_refcnt); clks[TEGRA20_CLK_CDEV1] = clk; /* cdev2 */ - clk = clk_register_fixed_rate(NULL, "cdev2_fixed", NULL, 0, 26000000); - clk = tegra_clk_register_periph_gate("cdev2", "cdev2_fixed", 0, + clk = tegra_clk_register_periph_gate("cdev2", "cdev2_mux", 0, clk_base, 0, 93, periph_clk_enb_refcnt); clks[TEGRA20_CLK_CDEV2] = clk; @@ -1077,6 +1089,36 @@ static const struct of_device_id pmc_match[] __initconst = { { }, }; +static struct clk *tegra20_clk_src_onecell_get(struct of_phandle_args *clkspec, + void *data) +{ + struct clk_hw *parent_hw; + struct clk_hw *hw; + struct clk *clk; + + clk = of_clk_src_onecell_get(clkspec, data); + if (IS_ERR(clk)) + return clk; + + /* + * Tegra20 CDEV1 and CDEV2 clocks are a bit special case, their parent + * clock is created by the pinctrl driver. It is possible for clk user + * to request these clocks before pinctrl driver got probed and hence + * user will get an orphaned clock. That might be undesirable because + * user may expect parent clock to be enabled by the child. + */ + if (clkspec->args[0] == TEGRA20_CLK_CDEV1 || + clkspec->args[0] == TEGRA20_CLK_CDEV2) { + hw = __clk_get_hw(clk); + + parent_hw = clk_hw_get_parent(hw); + if (!parent_hw) + return ERR_PTR(-EPROBE_DEFER); + } + + return clk; +} + static void __init tegra20_clock_init(struct device_node *np) { struct device_node *node; @@ -1115,7 +1157,7 @@ static void __init tegra20_clock_init(struct device_node *np) tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA20_CLK_CLK_MAX); - tegra_add_of_provider(np); + tegra_add_of_provider(np, tegra20_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); tegra_clk_apply_init_table = tegra20_clock_apply_init_table; diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 9fb5d51ccce4..5435d01c636a 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -3567,7 +3567,7 @@ static void __init tegra210_clock_init(struct device_node *np) tegra_init_special_resets(2, tegra210_reset_assert, tegra210_reset_deassert); - tegra_add_of_provider(np); + tegra_add_of_provider(np, of_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); tegra210_mbist_clk_init(); diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index b316dfb6f6c7..acfe661b2ae7 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -1349,7 +1349,7 @@ static void __init tegra30_clock_init(struct device_node *np) tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA30_CLK_CLK_MAX); - tegra_add_of_provider(np); + tegra_add_of_provider(np, of_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); tegra_clk_apply_init_table = tegra30_clock_apply_init_table; diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index ba923f0d5953..593d76a114f9 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -298,7 +298,8 @@ static struct reset_controller_dev rst_ctlr = { .of_reset_n_cells = 1, }; -void __init tegra_add_of_provider(struct device_node *np) +void __init tegra_add_of_provider(struct device_node *np, + void *clk_src_onecell_get) { int i; @@ -314,7 +315,7 @@ void __init tegra_add_of_provider(struct device_node *np) clk_data.clks = clks; clk_data.clk_num = clk_num; - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + of_clk_add_provider(np, clk_src_onecell_get, &clk_data); rst_ctlr.of_node = np; rst_ctlr.nr_resets = periph_banks * 32 + num_special_reset; diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index ba7e20e6a82b..e1f88463b600 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -763,7 +763,7 @@ struct clk **tegra_clk_init(void __iomem *clk_base, int num, int periph_banks); struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk); -void tegra_add_of_provider(struct device_node *np); +void tegra_add_of_provider(struct device_node *np, void *clk_src_onecell_get); void tegra_register_devclks(struct tegra_devclk *dev_clks, int num); void tegra_audio_clk_init(void __iomem *clk_base, diff --git a/include/dt-bindings/clock/sun50i-h6-r-ccu.h b/include/dt-bindings/clock/sun50i-h6-r-ccu.h new file mode 100644 index 000000000000..76136132a13e --- /dev/null +++ b/include/dt-bindings/clock/sun50i-h6-r-ccu.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.xyz> + */ + +#ifndef _DT_BINDINGS_CLK_SUN50I_H6_R_CCU_H_ +#define _DT_BINDINGS_CLK_SUN50I_H6_R_CCU_H_ + +#define CLK_AR100 0 + +#define CLK_R_APB1 2 + +#define CLK_R_APB1_TIMER 4 +#define CLK_R_APB1_TWD 5 +#define CLK_R_APB1_PWM 6 +#define CLK_R_APB2_UART 7 +#define CLK_R_APB2_I2C 8 +#define CLK_R_APB1_IR 9 +#define CLK_R_APB1_W1 10 + +#define CLK_IR 11 +#define CLK_W1 12 + +#endif /* _DT_BINDINGS_CLK_SUN50I_H6_R_CCU_H_ */ diff --git a/include/dt-bindings/reset/sun50i-h6-r-ccu.h b/include/dt-bindings/reset/sun50i-h6-r-ccu.h new file mode 100644 index 000000000000..01c84dba49a4 --- /dev/null +++ b/include/dt-bindings/reset/sun50i-h6-r-ccu.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ +/* + * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz> + */ + +#ifndef _DT_BINDINGS_RST_SUN50I_H6_R_CCU_H_ +#define _DT_BINDINGS_RST_SUN50I_H6_R_CCU_H_ + +#define RST_R_APB1_TIMER 0 +#define RST_R_APB1_TWD 1 +#define RST_R_APB1_PWM 2 +#define RST_R_APB2_UART 3 +#define RST_R_APB2_I2C 4 +#define RST_R_APB1_IR 5 +#define RST_R_APB1_W1 6 + +#endif /* _DT_BINDINGS_RST_SUN50I_H6_R_CCU_H_ */ |