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path: root/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
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Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c')
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
new file mode 100644
index 000000000000..9d3ffd3fb2c1
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c
@@ -0,0 +1,140 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 huangzhenwei@allwinnertech.com
+ * Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "ccu_common.h"
+#include "ccu_reset.h"
+
+#include "ccu_gate.h"
+#include "ccu_mp.h"
+
+#include "ccu-sun20i-d1-r.h"
+
+static const struct clk_parent_data r_ahb_apb0_parents[] = {
+ { .fw_name = "hosc" },
+ { .fw_name = "losc" },
+ { .fw_name = "iosc" },
+ { .fw_name = "pll-periph" },
+};
+static SUNXI_CCU_MP_DATA_WITH_MUX(r_ahb_clk, "r-ahb",
+ r_ahb_apb0_parents, 0x000,
+ 0, 5, /* M */
+ 8, 2, /* P */
+ 24, 3, /* mux */
+ 0);
+static const struct clk_hw *r_ahb_hw = &r_ahb_clk.common.hw;
+
+static SUNXI_CCU_MP_DATA_WITH_MUX(r_apb0_clk, "r-apb0",
+ r_ahb_apb0_parents, 0x00c,
+ 0, 5, /* M */
+ 8, 2, /* P */
+ 24, 3, /* mux */
+ 0);
+static const struct clk_hw *r_apb0_hw = &r_apb0_clk.common.hw;
+
+static SUNXI_CCU_GATE_HWS(bus_r_timer_clk, "bus-r-timer", &r_apb0_hw,
+ 0x11c, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(bus_r_twd_clk, "bus-r-twd", &r_apb0_hw,
+ 0x12c, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(bus_r_ppu_clk, "bus-r-ppu", &r_apb0_hw,
+ 0x1ac, BIT(0), 0);
+
+static const struct clk_parent_data r_ir_rx_parents[] = {
+ { .fw_name = "losc" },
+ { .fw_name = "hosc" },
+};
+static SUNXI_CCU_MP_DATA_WITH_MUX_GATE(r_ir_rx_clk, "r-ir-rx",
+ r_ir_rx_parents, 0x1c0,
+ 0, 5, /* M */
+ 8, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static SUNXI_CCU_GATE_HWS(bus_r_ir_rx_clk, "bus-r-ir-rx", &r_apb0_hw,
+ 0x1cc, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(bus_r_rtc_clk, "bus-r-rtc", &r_ahb_hw,
+ 0x20c, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(bus_r_cpucfg_clk, "bus-r-cpucfg", &r_apb0_hw,
+ 0x22c, BIT(0), 0);
+
+static struct ccu_common *sun20i_d1_r_ccu_clks[] = {
+ &r_ahb_clk.common,
+ &r_apb0_clk.common,
+ &bus_r_timer_clk.common,
+ &bus_r_twd_clk.common,
+ &bus_r_ppu_clk.common,
+ &r_ir_rx_clk.common,
+ &bus_r_ir_rx_clk.common,
+ &bus_r_rtc_clk.common,
+ &bus_r_cpucfg_clk.common,
+};
+
+static struct clk_hw_onecell_data sun20i_d1_r_hw_clks = {
+ .num = CLK_NUMBER,
+ .hws = {
+ [CLK_R_AHB] = &r_ahb_clk.common.hw,
+ [CLK_R_APB0] = &r_apb0_clk.common.hw,
+ [CLK_BUS_R_TIMER] = &bus_r_timer_clk.common.hw,
+ [CLK_BUS_R_TWD] = &bus_r_twd_clk.common.hw,
+ [CLK_BUS_R_PPU] = &bus_r_ppu_clk.common.hw,
+ [CLK_R_IR_RX] = &r_ir_rx_clk.common.hw,
+ [CLK_BUS_R_IR_RX] = &bus_r_ir_rx_clk.common.hw,
+ [CLK_BUS_R_RTC] = &bus_r_rtc_clk.common.hw,
+ [CLK_BUS_R_CPUCFG] = &bus_r_cpucfg_clk.common.hw,
+ },
+};
+
+static struct ccu_reset_map sun20i_d1_r_ccu_resets[] = {
+ [RST_BUS_R_TIMER] = { 0x11c, BIT(16) },
+ [RST_BUS_R_TWD] = { 0x12c, BIT(16) },
+ [RST_BUS_R_PPU] = { 0x1ac, BIT(16) },
+ [RST_BUS_R_IR_RX] = { 0x1cc, BIT(16) },
+ [RST_BUS_R_RTC] = { 0x20c, BIT(16) },
+ [RST_BUS_R_CPUCFG] = { 0x22c, BIT(16) },
+};
+
+static const struct sunxi_ccu_desc sun20i_d1_r_ccu_desc = {
+ .ccu_clks = sun20i_d1_r_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun20i_d1_r_ccu_clks),
+
+ .hw_clks = &sun20i_d1_r_hw_clks,
+
+ .resets = sun20i_d1_r_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun20i_d1_r_ccu_resets),
+};
+
+static int sun20i_d1_r_ccu_probe(struct platform_device *pdev)
+{
+ void __iomem *reg;
+
+ reg = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
+
+ return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun20i_d1_r_ccu_desc);
+}
+
+static const struct of_device_id sun20i_d1_r_ccu_ids[] = {
+ { .compatible = "allwinner,sun20i-d1-r-ccu" },
+ { }
+};
+
+static struct platform_driver sun20i_d1_r_ccu_driver = {
+ .probe = sun20i_d1_r_ccu_probe,
+ .driver = {
+ .name = "sun20i-d1-r-ccu",
+ .suppress_bind_attrs = true,
+ .of_match_table = sun20i_d1_r_ccu_ids,
+ },
+};
+module_platform_driver(sun20i_d1_r_ccu_driver);
+
+MODULE_IMPORT_NS(SUNXI_CCU);
+MODULE_LICENSE("GPL");