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path: root/drivers/clk/mediatek/clk-mt8516.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8516.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8516.c240
1 files changed, 54 insertions, 186 deletions
diff --git a/drivers/clk/mediatek/clk-mt8516.c b/drivers/clk/mediatek/clk-mt8516.c
index 2c0cae7b3bcf..21eb052b0a53 100644
--- a/drivers/clk/mediatek/clk-mt8516.c
+++ b/drivers/clk/mediatek/clk-mt8516.c
@@ -3,6 +3,7 @@
* Copyright (c) 2019 MediaTek Inc.
* Author: James Liao <jamesjj.liao@mediatek.com>
* Fabien Parent <fparent@baylibre.com>
+ * Copyright (c) 2023 Collabora Ltd.
*/
#include <linux/delay.h>
@@ -10,10 +11,10 @@
#include <linux/of_address.h>
#include <linux/slab.h>
#include <linux/mfd/syscon.h>
+#include <linux/platform_device.h>
#include "clk-gate.h"
#include "clk-mtk.h"
-#include "clk-pll.h"
#include <dt-bindings/clock/mt8516-clk.h>
@@ -525,59 +526,23 @@ static const struct mtk_gate_regs top5_cg_regs = {
.sta_ofs = 0x44,
};
-#define GATE_TOP1(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top1_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
-
-#define GATE_TOP2(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top2_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
-
-#define GATE_TOP2_I(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top2_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr_inv, \
- }
-
-#define GATE_TOP3(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top3_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
-
-#define GATE_TOP4_I(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top4_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr_inv, \
- }
-
-#define GATE_TOP5(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top5_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
+#define GATE_TOP1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define GATE_TOP2(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define GATE_TOP2_I(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+#define GATE_TOP3(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top3_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define GATE_TOP4_I(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top4_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+#define GATE_TOP5(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top5_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
static const struct mtk_gate top_clks[] __initconst = {
/* TOP1 */
@@ -675,139 +640,42 @@ static const struct mtk_gate top_clks[] __initconst = {
GATE_TOP5(CLK_TOP_APLL12_DIV6, "apll12_div6", "apll12_ck_div6", 8),
};
-static void __init mtk_topckgen_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
- int r;
- void __iomem *base;
-
- base = of_iomap(node, 0);
- if (!base) {
- pr_err("%s(): ioremap failed\n", __func__);
- return;
- }
-
- clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+static const struct mtk_clk_desc topck_desc = {
+ .clks = top_clks,
+ .num_clks = ARRAY_SIZE(top_clks),
+ .fixed_clks = fixed_clks,
+ .num_fixed_clks = ARRAY_SIZE(fixed_clks),
+ .factor_clks = top_divs,
+ .num_factor_clks = ARRAY_SIZE(top_divs),
+ .composite_clks = top_muxes,
+ .num_composite_clks = ARRAY_SIZE(top_muxes),
+ .divider_clks = top_adj_divs,
+ .num_divider_clks = ARRAY_SIZE(top_adj_divs),
+ .clk_lock = &mt8516_clk_lock,
+};
- mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks),
- clk_data);
- mtk_clk_register_gates(NULL, node, top_clks, ARRAY_SIZE(top_clks), clk_data);
+static const struct mtk_clk_desc infra_desc = {
+ .composite_clks = ifr_muxes,
+ .num_composite_clks = ARRAY_SIZE(ifr_muxes),
+ .clk_lock = &mt8516_clk_lock,
+};
- mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
- mtk_clk_register_composites(NULL, top_muxes,
- ARRAY_SIZE(top_muxes), base,
- &mt8516_clk_lock, clk_data);
- mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs),
- base, &mt8516_clk_lock, clk_data);
+static const struct of_device_id of_match_clk_mt8516[] = {
+ { .compatible = "mediatek,mt8516-topckgen", .data = &topck_desc },
+ { .compatible = "mediatek,mt8516-infracfg", .data = &infra_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8516);
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- pr_err("%s(): could not register clock provider: %d\n",
- __func__, r);
-}
-CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8516-topckgen", mtk_topckgen_init);
-
-static void __init mtk_infracfg_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
- int r;
- void __iomem *base;
-
- base = of_iomap(node, 0);
- if (!base) {
- pr_err("%s(): ioremap failed\n", __func__);
- return;
- }
-
- clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
-
- mtk_clk_register_composites(NULL, ifr_muxes,
- ARRAY_SIZE(ifr_muxes), base,
- &mt8516_clk_lock, clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- pr_err("%s(): could not register clock provider: %d\n",
- __func__, r);
-}
-CLK_OF_DECLARE(mtk_infracfg, "mediatek,mt8516-infracfg", mtk_infracfg_init);
-
-#define MT8516_PLL_FMAX (1502UL * MHZ)
-
-#define CON0_MT8516_RST_BAR BIT(27)
-
-#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
- _pcw_shift, _div_table) { \
- .id = _id, \
- .name = _name, \
- .reg = _reg, \
- .pwr_reg = _pwr_reg, \
- .en_mask = _en_mask, \
- .flags = _flags, \
- .rst_bar_mask = CON0_MT8516_RST_BAR, \
- .fmax = MT8516_PLL_FMAX, \
- .pcwbits = _pcwbits, \
- .pd_reg = _pd_reg, \
- .pd_shift = _pd_shift, \
- .tuner_reg = _tuner_reg, \
- .pcw_reg = _pcw_reg, \
- .pcw_shift = _pcw_shift, \
- .div_table = _div_table, \
- }
-
-#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
- _pcw_shift) \
- PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
- NULL)
-
-static const struct mtk_pll_div_table mmpll_div_table[] = {
- { .div = 0, .freq = MT8516_PLL_FMAX },
- { .div = 1, .freq = 1000000000 },
- { .div = 2, .freq = 604500000 },
- { .div = 3, .freq = 253500000 },
- { .div = 4, .freq = 126750000 },
- { } /* sentinel */
-};
-
-static const struct mtk_pll_data plls[] = {
- PLL(CLK_APMIXED_ARMPLL, "armpll", 0x0100, 0x0110, 0, 0,
- 21, 0x0104, 24, 0, 0x0104, 0),
- PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0120, 0x0130, 0,
- HAVE_RST_BAR, 21, 0x0124, 24, 0, 0x0124, 0),
- PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x0140, 0x0150, 0x30000000,
- HAVE_RST_BAR, 7, 0x0144, 24, 0, 0x0144, 0),
- PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x0160, 0x0170, 0, 0,
- 21, 0x0164, 24, 0, 0x0164, 0, mmpll_div_table),
- PLL(CLK_APMIXED_APLL1, "apll1", 0x0180, 0x0190, 0, 0,
- 31, 0x0180, 1, 0x0194, 0x0184, 0),
- PLL(CLK_APMIXED_APLL2, "apll2", 0x01A0, 0x01B0, 0, 0,
- 31, 0x01A0, 1, 0x01B4, 0x01A4, 0),
-};
-
-static void __init mtk_apmixedsys_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
- void __iomem *base;
- int r;
-
- base = of_iomap(node, 0);
- if (!base) {
- pr_err("%s(): ioremap failed\n", __func__);
- return;
- }
-
- clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
-
- mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- pr_err("%s(): could not register clock provider: %d\n",
- __func__, r);
+static struct platform_driver clk_mt8516_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8516",
+ .of_match_table = of_match_clk_mt8516,
+ },
+};
+module_platform_driver(clk_mt8516_drv);
-}
-CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8516-apmixedsys",
- mtk_apmixedsys_init);
+MODULE_DESCRIPTION("MediaTek MT8516 clocks driver");
+MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-04-03 19:45:15 +0000