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path: root/drivers/clk/mediatek/clk-mt7622.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt7622.c')
-rw-r--r--drivers/clk/mediatek/clk-mt7622.c371
1 files changed, 57 insertions, 314 deletions
diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c
index 5a82c2270bfb..274895264427 100644
--- a/drivers/clk/mediatek/clk-mt7622.c
+++ b/drivers/clk/mediatek/clk-mt7622.c
@@ -14,104 +14,27 @@
#include "clk-cpumux.h"
#include "clk-gate.h"
#include "clk-mtk.h"
-#include "clk-pll.h"
#include <dt-bindings/clock/mt7622-clk.h>
#include <linux/clk.h> /* for consumer */
-#define MT7622_PLL_FMAX (2500UL * MHZ)
-#define CON0_MT7622_RST_BAR BIT(27)
-
-#define PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,\
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
- _pcw_shift, _div_table, _parent_name) { \
- .id = _id, \
- .name = _name, \
- .reg = _reg, \
- .pwr_reg = _pwr_reg, \
- .en_mask = _en_mask, \
- .flags = _flags, \
- .rst_bar_mask = CON0_MT7622_RST_BAR, \
- .fmax = MT7622_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, \
- .parent_name = _parent_name, \
- }
-
-#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
- _pcw_shift) \
- PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,\
- _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
- NULL, "clkxtal")
-
-#define GATE_APMIXED(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &apmixed_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr_inv, \
- }
-
-#define GATE_INFRA(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &infra_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
-
-#define GATE_TOP0(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top0_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
-
-#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_no_setclr, \
- }
-
-#define GATE_PERI0(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &peri0_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
-
-#define GATE_PERI1(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &peri1_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
+#define GATE_TOP0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
-static DEFINE_SPINLOCK(mt7622_clk_lock);
+#define GATE_TOP1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
-static const char * const infra_mux1_parents[] = {
- "clkxtal",
- "armpll",
- "main_core_en",
- "armpll"
-};
+#define GATE_PERI0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &peri0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define GATE_PERI0_AO(_id, _name, _parent, _shift) \
+ GATE_MTK_FLAGS(_id, _name, _parent, &peri0_cg_regs, _shift, \
+ &mtk_clk_gate_ops_setclr, CLK_IS_CRITICAL)
+
+#define GATE_PERI1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &peri1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static DEFINE_SPINLOCK(mt7622_clk_lock);
static const char * const axi_parents[] = {
"clkxtal",
@@ -292,18 +215,6 @@ static const char * const peribus_ck_parents[] = {
"syspll1_d4"
};
-static const struct mtk_gate_regs apmixed_cg_regs = {
- .set_ofs = 0x8,
- .clr_ofs = 0x8,
- .sta_ofs = 0x8,
-};
-
-static const struct mtk_gate_regs infra_cg_regs = {
- .set_ofs = 0x40,
- .clr_ofs = 0x44,
- .sta_ofs = 0x48,
-};
-
static const struct mtk_gate_regs top0_cg_regs = {
.set_ofs = 0x120,
.clr_ofs = 0x120,
@@ -328,40 +239,6 @@ static const struct mtk_gate_regs peri1_cg_regs = {
.sta_ofs = 0x1C,
};
-static const struct mtk_pll_data plls[] = {
- PLL(CLK_APMIXED_ARMPLL, "armpll", 0x0200, 0x020C, 0,
- PLL_AO, 21, 0x0204, 24, 0, 0x0204, 0),
- PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0210, 0x021C, 0,
- HAVE_RST_BAR, 21, 0x0214, 24, 0, 0x0214, 0),
- PLL(CLK_APMIXED_UNIV2PLL, "univ2pll", 0x0220, 0x022C, 0,
- HAVE_RST_BAR, 7, 0x0224, 24, 0, 0x0224, 14),
- PLL(CLK_APMIXED_ETH1PLL, "eth1pll", 0x0300, 0x0310, 0,
- 0, 21, 0x0300, 1, 0, 0x0304, 0),
- PLL(CLK_APMIXED_ETH2PLL, "eth2pll", 0x0314, 0x0320, 0,
- 0, 21, 0x0314, 1, 0, 0x0318, 0),
- PLL(CLK_APMIXED_AUD1PLL, "aud1pll", 0x0324, 0x0330, 0,
- 0, 31, 0x0324, 1, 0, 0x0328, 0),
- PLL(CLK_APMIXED_AUD2PLL, "aud2pll", 0x0334, 0x0340, 0,
- 0, 31, 0x0334, 1, 0, 0x0338, 0),
- PLL(CLK_APMIXED_TRGPLL, "trgpll", 0x0344, 0x0354, 0,
- 0, 21, 0x0344, 1, 0, 0x0348, 0),
- PLL(CLK_APMIXED_SGMIPLL, "sgmipll", 0x0358, 0x0368, 0,
- 0, 21, 0x0358, 1, 0, 0x035C, 0),
-};
-
-static const struct mtk_gate apmixed_clks[] = {
- GATE_APMIXED(CLK_APMIXED_MAIN_CORE_EN, "main_core_en", "mainpll", 5),
-};
-
-static const struct mtk_gate infra_clks[] = {
- GATE_INFRA(CLK_INFRA_DBGCLK_PD, "infra_dbgclk_pd", "axi_sel", 0),
- GATE_INFRA(CLK_INFRA_TRNG, "trng_ck", "axi_sel", 2),
- GATE_INFRA(CLK_INFRA_AUDIO_PD, "infra_audio_pd", "aud_intbus_sel", 5),
- GATE_INFRA(CLK_INFRA_IRRX_PD, "infra_irrx_pd", "irrx_sel", 16),
- GATE_INFRA(CLK_INFRA_APXGPT_PD, "infra_apxgpt_pd", "f10m_ref_sel", 18),
- GATE_INFRA(CLK_INFRA_PMIC_PD, "infra_pmic_pd", "pmicspi_sel", 22),
-};
-
static const struct mtk_fixed_clk top_fixed_clks[] = {
FIXED_CLK(CLK_TOP_TO_U2_PHY, "to_u2_phy", "clkxtal",
31250000),
@@ -485,7 +362,7 @@ static const struct mtk_gate peri_clks[] = {
GATE_PERI0(CLK_PERI_AP_DMA_PD, "peri_ap_dma_pd", "axi_sel", 12),
GATE_PERI0(CLK_PERI_MSDC30_0_PD, "peri_msdc30_0", "msdc30_0_sel", 13),
GATE_PERI0(CLK_PERI_MSDC30_1_PD, "peri_msdc30_1", "msdc30_1_sel", 14),
- GATE_PERI0(CLK_PERI_UART0_PD, "peri_uart0_pd", "axi_sel", 17),
+ GATE_PERI0_AO(CLK_PERI_UART0_PD, "peri_uart0_pd", "axi_sel", 17),
GATE_PERI0(CLK_PERI_UART1_PD, "peri_uart1_pd", "axi_sel", 18),
GATE_PERI0(CLK_PERI_UART2_PD, "peri_uart2_pd", "axi_sel", 19),
GATE_PERI0(CLK_PERI_UART3_PD, "peri_uart3_pd", "axi_sel", 20),
@@ -506,19 +383,14 @@ static const struct mtk_gate peri_clks[] = {
GATE_PERI1(CLK_PERI_IRTX_PD, "peri_irtx_pd", "irtx_sel", 2),
};
-static struct mtk_composite infra_muxes[] = {
- MUX(CLK_INFRA_MUX1_SEL, "infra_mux1_sel", infra_mux1_parents,
- 0x000, 2, 2),
-};
-
static struct mtk_composite top_muxes[] = {
/* CLK_CFG_0 */
- MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
- 0x040, 0, 3, 7),
- MUX_GATE(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
- 0x040, 8, 1, 15),
- MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
- 0x040, 16, 1, 23),
+ MUX_GATE_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
+ 0x040, 0, 3, 7, CLK_IS_CRITICAL),
+ MUX_GATE_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
+ 0x040, 8, 1, 15, CLK_IS_CRITICAL),
+ MUX_GATE_FLAGS(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
+ 0x040, 16, 1, 23, CLK_IS_CRITICAL),
MUX_GATE(CLK_TOP_ETH_SEL, "eth_sel", eth_parents,
0x040, 24, 3, 31),
@@ -610,182 +482,53 @@ static struct mtk_composite peri_muxes[] = {
MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1),
};
-static u16 infrasys_rst_ofs[] = { 0x30, };
static u16 pericfg_rst_ofs[] = { 0x0, 0x4, };
-static const struct mtk_clk_rst_desc clk_rst_desc[] = {
- /* infrasys */
- {
- .version = MTK_RST_SIMPLE,
- .rst_bank_ofs = infrasys_rst_ofs,
- .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs),
- },
- /* pericfg */
- {
- .version = MTK_RST_SIMPLE,
- .rst_bank_ofs = pericfg_rst_ofs,
- .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs),
- },
+static const struct mtk_clk_rst_desc clk_rst_desc = {
+ .version = MTK_RST_SIMPLE,
+ .rst_bank_ofs = pericfg_rst_ofs,
+ .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs),
};
-static int mtk_topckgen_init(struct platform_device *pdev)
-{
- struct clk_hw_onecell_data *clk_data;
- void __iomem *base;
- struct device_node *node = pdev->dev.of_node;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
-
- mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
- clk_data);
-
- mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs),
- clk_data);
-
- mtk_clk_register_composites(&pdev->dev, top_muxes,
- ARRAY_SIZE(top_muxes), base,
- &mt7622_clk_lock, clk_data);
-
- mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs),
- base, &mt7622_clk_lock, clk_data);
-
- mtk_clk_register_gates(&pdev->dev, node, top_clks,
- ARRAY_SIZE(top_clks), clk_data);
-
- clk_prepare_enable(clk_data->hws[CLK_TOP_AXI_SEL]->clk);
- clk_prepare_enable(clk_data->hws[CLK_TOP_MEM_SEL]->clk);
- clk_prepare_enable(clk_data->hws[CLK_TOP_DDRPHYCFG_SEL]->clk);
-
- return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-}
-
-static int mtk_infrasys_init(struct platform_device *pdev)
-{
- struct device_node *node = pdev->dev.of_node;
- struct clk_hw_onecell_data *clk_data;
- int r;
-
- clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
-
- mtk_clk_register_gates(&pdev->dev, node, infra_clks,
- ARRAY_SIZE(infra_clks), clk_data);
-
- mtk_clk_register_cpumuxes(&pdev->dev, node, infra_muxes,
- ARRAY_SIZE(infra_muxes), clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,
- clk_data);
- if (r)
- return r;
-
- mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]);
-
- return 0;
-}
-
-static int mtk_apmixedsys_init(struct platform_device *pdev)
-{
- struct clk_hw_onecell_data *clk_data;
- struct device_node *node = pdev->dev.of_node;
-
- clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
- if (!clk_data)
- return -ENOMEM;
-
- mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls),
- clk_data);
-
- mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,
- ARRAY_SIZE(apmixed_clks), clk_data);
-
- clk_prepare_enable(clk_data->hws[CLK_APMIXED_ARMPLL]->clk);
- clk_prepare_enable(clk_data->hws[CLK_APMIXED_MAIN_CORE_EN]->clk);
-
- return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-}
-
-static int mtk_pericfg_init(struct platform_device *pdev)
-{
- struct clk_hw_onecell_data *clk_data;
- void __iomem *base;
- int r;
- struct device_node *node = pdev->dev.of_node;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
-
- mtk_clk_register_gates(&pdev->dev, node, peri_clks,
- ARRAY_SIZE(peri_clks), clk_data);
-
- mtk_clk_register_composites(&pdev->dev, peri_muxes,
- ARRAY_SIZE(peri_muxes), base,
- &mt7622_clk_lock, clk_data);
-
- r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
- if (r)
- return r;
-
- clk_prepare_enable(clk_data->hws[CLK_PERI_UART0_PD]->clk);
-
- mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]);
+static const struct mtk_clk_desc topck_desc = {
+ .clks = top_clks,
+ .num_clks = ARRAY_SIZE(top_clks),
+ .fixed_clks = top_fixed_clks,
+ .num_fixed_clks = ARRAY_SIZE(top_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 = &mt7622_clk_lock,
+};
- return 0;
-}
+static const struct mtk_clk_desc peri_desc = {
+ .clks = peri_clks,
+ .num_clks = ARRAY_SIZE(peri_clks),
+ .composite_clks = peri_muxes,
+ .num_composite_clks = ARRAY_SIZE(peri_muxes),
+ .rst_desc = &clk_rst_desc,
+ .clk_lock = &mt7622_clk_lock,
+};
static const struct of_device_id of_match_clk_mt7622[] = {
- {
- .compatible = "mediatek,mt7622-apmixedsys",
- .data = mtk_apmixedsys_init,
- }, {
- .compatible = "mediatek,mt7622-infracfg",
- .data = mtk_infrasys_init,
- }, {
- .compatible = "mediatek,mt7622-topckgen",
- .data = mtk_topckgen_init,
- }, {
- .compatible = "mediatek,mt7622-pericfg",
- .data = mtk_pericfg_init,
- }, {
- /* sentinel */
- }
-};
-
-static int clk_mt7622_probe(struct platform_device *pdev)
-{
- int (*clk_init)(struct platform_device *);
- int r;
-
- clk_init = of_device_get_match_data(&pdev->dev);
- if (!clk_init)
- return -EINVAL;
-
- r = clk_init(pdev);
- if (r)
- dev_err(&pdev->dev,
- "could not register clock provider: %s: %d\n",
- pdev->name, r);
-
- return r;
-}
+ { .compatible = "mediatek,mt7622-topckgen", .data = &topck_desc },
+ { .compatible = "mediatek,mt7622-pericfg", .data = &peri_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt7622);
static struct platform_driver clk_mt7622_drv = {
- .probe = clk_mt7622_probe,
.driver = {
.name = "clk-mt7622",
.of_match_table = of_match_clk_mt7622,
},
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
};
+module_platform_driver(clk_mt7622_drv)
-static int clk_mt7622_init(void)
-{
- return platform_driver_register(&clk_mt7622_drv);
-}
-
-arch_initcall(clk_mt7622_init);
+MODULE_DESCRIPTION("MediaTek MT7622 clocks driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-26 10:07:45 +0300