--- /dev/null
+/*
+ * Copyright (c) 2016 Chen-Yu Tsai. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+
+#include "ccu_common.h"
+#include "ccu_div.h"
+#include "ccu_gate.h"
+#include "ccu_reset.h"
+
+#include "ccu-sun9i-a80-de.h"
+
+static SUNXI_CCU_GATE(fe0_clk, "fe0", "fe0-div",
+ 0x00, BIT(0), 0);
+static SUNXI_CCU_GATE(fe1_clk, "fe1", "fe1-div",
+ 0x00, BIT(1), 0);
+static SUNXI_CCU_GATE(fe2_clk, "fe2", "fe2-div",
+ 0x00, BIT(2), 0);
+static SUNXI_CCU_GATE(iep_deu0_clk, "iep-deu0", "de",
+ 0x00, BIT(4), 0);
+static SUNXI_CCU_GATE(iep_deu1_clk, "iep-deu1", "de",
+ 0x00, BIT(5), 0);
+static SUNXI_CCU_GATE(be0_clk, "be0", "be0-div",
+ 0x00, BIT(8), 0);
+static SUNXI_CCU_GATE(be1_clk, "be1", "be1-div",
+ 0x00, BIT(9), 0);
+static SUNXI_CCU_GATE(be2_clk, "be2", "be2-div",
+ 0x00, BIT(10), 0);
+static SUNXI_CCU_GATE(iep_drc0_clk, "iep-drc0", "de",
+ 0x00, BIT(12), 0);
+static SUNXI_CCU_GATE(iep_drc1_clk, "iep-drc1", "de",
+ 0x00, BIT(13), 0);
+static SUNXI_CCU_GATE(merge_clk, "merge", "de",
+ 0x00, BIT(20), 0);
+
+static SUNXI_CCU_GATE(dram_fe0_clk, "dram-fe0", "sdram",
+ 0x04, BIT(0), 0);
+static SUNXI_CCU_GATE(dram_fe1_clk, "dram-fe1", "sdram",
+ 0x04, BIT(1), 0);
+static SUNXI_CCU_GATE(dram_fe2_clk, "dram-fe2", "sdram",
+ 0x04, BIT(2), 0);
+static SUNXI_CCU_GATE(dram_deu0_clk, "dram-deu0", "sdram",
+ 0x04, BIT(4), 0);
+static SUNXI_CCU_GATE(dram_deu1_clk, "dram-deu1", "sdram",
+ 0x04, BIT(5), 0);
+static SUNXI_CCU_GATE(dram_be0_clk, "dram-be0", "sdram",
+ 0x04, BIT(8), 0);
+static SUNXI_CCU_GATE(dram_be1_clk, "dram-be1", "sdram",
+ 0x04, BIT(9), 0);
+static SUNXI_CCU_GATE(dram_be2_clk, "dram-be2", "sdram",
+ 0x04, BIT(10), 0);
+static SUNXI_CCU_GATE(dram_drc0_clk, "dram-drc0", "sdram",
+ 0x04, BIT(12), 0);
+static SUNXI_CCU_GATE(dram_drc1_clk, "dram-drc1", "sdram",
+ 0x04, BIT(13), 0);
+
+static SUNXI_CCU_GATE(bus_fe0_clk, "bus-fe0", "bus-de",
+ 0x08, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_fe1_clk, "bus-fe1", "bus-de",
+ 0x08, BIT(1), 0);
+static SUNXI_CCU_GATE(bus_fe2_clk, "bus-fe2", "bus-de",
+ 0x08, BIT(2), 0);
+static SUNXI_CCU_GATE(bus_deu0_clk, "bus-deu0", "bus-de",
+ 0x08, BIT(4), 0);
+static SUNXI_CCU_GATE(bus_deu1_clk, "bus-deu1", "bus-de",
+ 0x08, BIT(5), 0);
+static SUNXI_CCU_GATE(bus_be0_clk, "bus-be0", "bus-de",
+ 0x08, BIT(8), 0);
+static SUNXI_CCU_GATE(bus_be1_clk, "bus-be1", "bus-de",
+ 0x08, BIT(9), 0);
+static SUNXI_CCU_GATE(bus_be2_clk, "bus-be2", "bus-de",
+ 0x08, BIT(10), 0);
+static SUNXI_CCU_GATE(bus_drc0_clk, "bus-drc0", "bus-de",
+ 0x08, BIT(12), 0);
+static SUNXI_CCU_GATE(bus_drc1_clk, "bus-drc1", "bus-de",
+ 0x08, BIT(13), 0);
+
+static SUNXI_CCU_M(fe0_div_clk, "fe0-div", "de", 0x20, 0, 4, 0);
+static SUNXI_CCU_M(fe1_div_clk, "fe1-div", "de", 0x20, 4, 4, 0);
+static SUNXI_CCU_M(fe2_div_clk, "fe2-div", "de", 0x20, 8, 4, 0);
+static SUNXI_CCU_M(be0_div_clk, "be0-div", "de", 0x20, 16, 4, 0);
+static SUNXI_CCU_M(be1_div_clk, "be1-div", "de", 0x20, 20, 4, 0);
+static SUNXI_CCU_M(be2_div_clk, "be2-div", "de", 0x20, 24, 4, 0);
+
+static struct ccu_common *sun9i_a80_de_clks[] = {
+ &fe0_clk.common,
+ &fe1_clk.common,
+ &fe2_clk.common,
+ &iep_deu0_clk.common,
+ &iep_deu1_clk.common,
+ &be0_clk.common,
+ &be1_clk.common,
+ &be2_clk.common,
+ &iep_drc0_clk.common,
+ &iep_drc1_clk.common,
+ &merge_clk.common,
+
+ &dram_fe0_clk.common,
+ &dram_fe1_clk.common,
+ &dram_fe2_clk.common,
+ &dram_deu0_clk.common,
+ &dram_deu1_clk.common,
+ &dram_be0_clk.common,
+ &dram_be1_clk.common,
+ &dram_be2_clk.common,
+ &dram_drc0_clk.common,
+ &dram_drc1_clk.common,
+
+ &bus_fe0_clk.common,
+ &bus_fe1_clk.common,
+ &bus_fe2_clk.common,
+ &bus_deu0_clk.common,
+ &bus_deu1_clk.common,
+ &bus_be0_clk.common,
+ &bus_be1_clk.common,
+ &bus_be2_clk.common,
+ &bus_drc0_clk.common,
+ &bus_drc1_clk.common,
+
+ &fe0_div_clk.common,
+ &fe1_div_clk.common,
+ &fe2_div_clk.common,
+ &be0_div_clk.common,
+ &be1_div_clk.common,
+ &be2_div_clk.common,
+};
+
+static struct clk_hw_onecell_data sun9i_a80_de_hw_clks = {
+ .hws = {
+ [CLK_FE0] = &fe0_clk.common.hw,
+ [CLK_FE1] = &fe1_clk.common.hw,
+ [CLK_FE2] = &fe2_clk.common.hw,
+ [CLK_IEP_DEU0] = &iep_deu0_clk.common.hw,
+ [CLK_IEP_DEU1] = &iep_deu1_clk.common.hw,
+ [CLK_BE0] = &be0_clk.common.hw,
+ [CLK_BE1] = &be1_clk.common.hw,
+ [CLK_BE2] = &be2_clk.common.hw,
+ [CLK_IEP_DRC0] = &iep_drc0_clk.common.hw,
+ [CLK_IEP_DRC1] = &iep_drc1_clk.common.hw,
+ [CLK_MERGE] = &merge_clk.common.hw,
+
+ [CLK_DRAM_FE0] = &dram_fe0_clk.common.hw,
+ [CLK_DRAM_FE1] = &dram_fe1_clk.common.hw,
+ [CLK_DRAM_FE2] = &dram_fe2_clk.common.hw,
+ [CLK_DRAM_DEU0] = &dram_deu0_clk.common.hw,
+ [CLK_DRAM_DEU1] = &dram_deu1_clk.common.hw,
+ [CLK_DRAM_BE0] = &dram_be0_clk.common.hw,
+ [CLK_DRAM_BE1] = &dram_be1_clk.common.hw,
+ [CLK_DRAM_BE2] = &dram_be2_clk.common.hw,
+ [CLK_DRAM_DRC0] = &dram_drc0_clk.common.hw,
+ [CLK_DRAM_DRC1] = &dram_drc1_clk.common.hw,
+
+ [CLK_BUS_FE0] = &bus_fe0_clk.common.hw,
+ [CLK_BUS_FE1] = &bus_fe1_clk.common.hw,
+ [CLK_BUS_FE2] = &bus_fe2_clk.common.hw,
+ [CLK_BUS_DEU0] = &bus_deu0_clk.common.hw,
+ [CLK_BUS_DEU1] = &bus_deu1_clk.common.hw,
+ [CLK_BUS_BE0] = &bus_be0_clk.common.hw,
+ [CLK_BUS_BE1] = &bus_be1_clk.common.hw,
+ [CLK_BUS_BE2] = &bus_be2_clk.common.hw,
+ [CLK_BUS_DRC0] = &bus_drc0_clk.common.hw,
+ [CLK_BUS_DRC1] = &bus_drc1_clk.common.hw,
+
+ [CLK_FE0_DIV] = &fe0_div_clk.common.hw,
+ [CLK_FE1_DIV] = &fe1_div_clk.common.hw,
+ [CLK_FE2_DIV] = &fe2_div_clk.common.hw,
+ [CLK_BE0_DIV] = &be0_div_clk.common.hw,
+ [CLK_BE1_DIV] = &be1_div_clk.common.hw,
+ [CLK_BE2_DIV] = &be2_div_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun9i_a80_de_resets[] = {
+ [RST_FE0] = { 0x0c, BIT(0) },
+ [RST_FE1] = { 0x0c, BIT(1) },
+ [RST_FE2] = { 0x0c, BIT(2) },
+ [RST_DEU0] = { 0x0c, BIT(4) },
+ [RST_DEU1] = { 0x0c, BIT(5) },
+ [RST_BE0] = { 0x0c, BIT(8) },
+ [RST_BE1] = { 0x0c, BIT(9) },
+ [RST_BE2] = { 0x0c, BIT(10) },
+ [RST_DRC0] = { 0x0c, BIT(12) },
+ [RST_DRC1] = { 0x0c, BIT(13) },
+ [RST_MERGE] = { 0x0c, BIT(20) },
+};
+
+static const struct sunxi_ccu_desc sun9i_a80_de_clk_desc = {
+ .ccu_clks = sun9i_a80_de_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun9i_a80_de_clks),
+
+ .hw_clks = &sun9i_a80_de_hw_clks,
+
+ .resets = sun9i_a80_de_resets,
+ .num_resets = ARRAY_SIZE(sun9i_a80_de_resets),
+};
+
+static int sun9i_a80_de_clk_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct clk *bus_clk;
+ struct reset_control *rstc;
+ void __iomem *reg;
+ int ret;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ reg = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
+
+ bus_clk = devm_clk_get(&pdev->dev, "bus");
+ if (IS_ERR(bus_clk)) {
+ ret = PTR_ERR(bus_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Couldn't get bus clk: %d\n", ret);
+ return ret;
+ }
+
+ rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+ if (IS_ERR(rstc)) {
+ ret = PTR_ERR(bus_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev,
+ "Couldn't get reset control: %d\n", ret);
+ return ret;
+ }
+
+ /* The bus clock needs to be enabled for us to access the registers */
+ ret = clk_prepare_enable(bus_clk);
+ if (ret) {
+ dev_err(&pdev->dev, "Couldn't enable bus clk: %d\n", ret);
+ return ret;
+ }
+
+ /* The reset control needs to be asserted for the controls to work */
+ ret = reset_control_deassert(rstc);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Couldn't deassert reset control: %d\n", ret);
+ goto err_disable_clk;
+ }
+
+ ret = sunxi_ccu_probe(pdev->dev.of_node, reg,
+ &sun9i_a80_de_clk_desc);
+ if (ret)
+ goto err_assert_reset;
+
+ return 0;
+
+err_assert_reset:
+ reset_control_assert(rstc);
+err_disable_clk:
+ clk_disable_unprepare(bus_clk);
+ return ret;
+}
+
+static const struct of_device_id sun9i_a80_de_clk_ids[] = {
+ { .compatible = "allwinner,sun9i-a80-de-clks" },
+ { }
+};
+
+static struct platform_driver sun9i_a80_de_clk_driver = {
+ .probe = sun9i_a80_de_clk_probe,
+ .driver = {
+ .name = "sun9i-a80-de-clks",
+ .of_match_table = sun9i_a80_de_clk_ids,
+ },
+};
+builtin_platform_driver(sun9i_a80_de_clk_driver);
--- /dev/null
+/*
+ * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * 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.
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_SUN9I_A80_DE_H_
+#define _DT_BINDINGS_CLOCK_SUN9I_A80_DE_H_
+
+#define CLK_FE0 0
+#define CLK_FE1 1
+#define CLK_FE2 2
+#define CLK_IEP_DEU0 3
+#define CLK_IEP_DEU1 4
+#define CLK_BE0 5
+#define CLK_BE1 6
+#define CLK_BE2 7
+#define CLK_IEP_DRC0 8
+#define CLK_IEP_DRC1 9
+#define CLK_MERGE 10
+
+#define CLK_DRAM_FE0 11
+#define CLK_DRAM_FE1 12
+#define CLK_DRAM_FE2 13
+#define CLK_DRAM_DEU0 14
+#define CLK_DRAM_DEU1 15
+#define CLK_DRAM_BE0 16
+#define CLK_DRAM_BE1 17
+#define CLK_DRAM_BE2 18
+#define CLK_DRAM_DRC0 19
+#define CLK_DRAM_DRC1 20
+
+#define CLK_BUS_FE0 21
+#define CLK_BUS_FE1 22
+#define CLK_BUS_FE2 23
+#define CLK_BUS_DEU0 24
+#define CLK_BUS_DEU1 25
+#define CLK_BUS_BE0 26
+#define CLK_BUS_BE1 27
+#define CLK_BUS_BE2 28
+#define CLK_BUS_DRC0 29
+#define CLK_BUS_DRC1 30
+
+#endif /* _DT_BINDINGS_CLOCK_SUN9I_A80_DE_H_ */
--- /dev/null
+/*
+ * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * 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.
+ */
+
+#ifndef _DT_BINDINGS_RESET_SUN9I_A80_DE_H_
+#define _DT_BINDINGS_RESET_SUN9I_A80_DE_H_
+
+#define RST_FE0 0
+#define RST_FE1 1
+#define RST_FE2 2
+#define RST_DEU0 3
+#define RST_DEU1 4
+#define RST_BE0 5
+#define RST_BE1 6
+#define RST_BE2 7
+#define RST_DRC0 8
+#define RST_DRC1 9
+#define RST_MERGE 10
+
+#endif /* _DT_BINDINGS_RESET_SUN9I_A80_DE_H_ */
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff