summaryrefslogtreecommitdiffstats
path: root/drivers/clk/mediatek/clk-mt8135.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8135.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8135.c268
1 files changed, 88 insertions, 180 deletions
diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c
index 2b9c925c2a2b..084e48a554c2 100644
--- a/drivers/clk/mediatek/clk-mt8135.c
+++ b/drivers/clk/mediatek/clk-mt8135.c
@@ -5,8 +5,10 @@
*/
#include <linux/clk.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/mfd/syscon.h>
#include <dt-bindings/clock/mt8135-clk.h>
@@ -17,14 +19,13 @@
static DEFINE_SPINLOCK(mt8135_clk_lock);
-static const struct mtk_fixed_factor root_clk_alias[] __initconst = {
+static const struct mtk_fixed_factor top_divs[] = {
+ FACTOR(CLK_DUMMY, "top_divs_dummy", "clk_null", 1, 1),
FACTOR(CLK_TOP_DSI0_LNTC_DSICLK, "dsi0_lntc_dsiclk", "clk_null", 1, 1),
FACTOR(CLK_TOP_HDMITX_CLKDIG_CTS, "hdmitx_clkdig_cts", "clk_null", 1, 1),
FACTOR(CLK_TOP_CLKPH_MCK, "clkph_mck", "clk_null", 1, 1),
FACTOR(CLK_TOP_CPUM_TCK_IN, "cpum_tck_in", "clk_null", 1, 1),
-};
-static const struct mtk_fixed_factor top_divs[] __initconst = {
FACTOR(CLK_TOP_MAINPLL_806M, "mainpll_806m", "mainpll", 1, 2),
FACTOR(CLK_TOP_MAINPLL_537P3M, "mainpll_537p3m", "mainpll", 1, 3),
FACTOR(CLK_TOP_MAINPLL_322P4M, "mainpll_322p4m", "mainpll", 1, 5),
@@ -100,7 +101,7 @@ static const struct mtk_fixed_factor top_divs[] __initconst = {
FACTOR(CLK_TOP_MEMPLL_MCK_D4, "mempll_mck_d4", "clkph_mck", 1, 4),
};
-static const char * const axi_parents[] __initconst = {
+static const char * const axi_parents[] = {
"clk26m",
"syspll_d3",
"syspll_d4",
@@ -110,7 +111,7 @@ static const char * const axi_parents[] __initconst = {
"syspll_d3p5"
};
-static const char * const smi_parents[] __initconst = {
+static const char * const smi_parents[] = {
"clk26m",
"clkph_mck",
"syspll_d2p5",
@@ -128,7 +129,7 @@ static const char * const smi_parents[] __initconst = {
"lvdspll"
};
-static const char * const mfg_parents[] __initconst = {
+static const char * const mfg_parents[] = {
"clk26m",
"univpll1_d4",
"syspll_d2",
@@ -144,13 +145,13 @@ static const char * const mfg_parents[] __initconst = {
"mmpll_d7"
};
-static const char * const irda_parents[] __initconst = {
+static const char * const irda_parents[] = {
"clk26m",
"univpll2_d8",
"univpll1_d6"
};
-static const char * const cam_parents[] __initconst = {
+static const char * const cam_parents[] = {
"clk26m",
"syspll_d3",
"syspll_d3p5",
@@ -161,13 +162,13 @@ static const char * const cam_parents[] __initconst = {
"univpll1_d4"
};
-static const char * const aud_intbus_parents[] __initconst = {
+static const char * const aud_intbus_parents[] = {
"clk26m",
"syspll_d6",
"univpll_d10"
};
-static const char * const jpg_parents[] __initconst = {
+static const char * const jpg_parents[] = {
"clk26m",
"syspll_d5",
"syspll_d4",
@@ -177,7 +178,7 @@ static const char * const jpg_parents[] __initconst = {
"univpll_d5"
};
-static const char * const disp_parents[] __initconst = {
+static const char * const disp_parents[] = {
"clk26m",
"syspll_d3p5",
"syspll_d3",
@@ -188,7 +189,7 @@ static const char * const disp_parents[] __initconst = {
"vdecpll"
};
-static const char * const msdc30_parents[] __initconst = {
+static const char * const msdc30_parents[] = {
"clk26m",
"syspll_d6",
"syspll_d5",
@@ -197,13 +198,13 @@ static const char * const msdc30_parents[] __initconst = {
"msdcpll"
};
-static const char * const usb20_parents[] __initconst = {
+static const char * const usb20_parents[] = {
"clk26m",
"univpll2_d6",
"univpll1_d10"
};
-static const char * const venc_parents[] __initconst = {
+static const char * const venc_parents[] = {
"clk26m",
"syspll_d3",
"syspll_d8",
@@ -214,7 +215,7 @@ static const char * const venc_parents[] __initconst = {
"mmpll_d6"
};
-static const char * const spi_parents[] __initconst = {
+static const char * const spi_parents[] = {
"clk26m",
"syspll_d6",
"syspll_d8",
@@ -223,17 +224,17 @@ static const char * const spi_parents[] __initconst = {
"univpll1_d8"
};
-static const char * const uart_parents[] __initconst = {
+static const char * const uart_parents[] = {
"clk26m",
"univpll2_d8"
};
-static const char * const mem_parents[] __initconst = {
+static const char * const mem_parents[] = {
"clk26m",
"clkph_mck"
};
-static const char * const camtg_parents[] __initconst = {
+static const char * const camtg_parents[] = {
"clk26m",
"univpll_d26",
"univpll1_d6",
@@ -241,12 +242,12 @@ static const char * const camtg_parents[] __initconst = {
"syspll_d8"
};
-static const char * const audio_parents[] __initconst = {
+static const char * const audio_parents[] = {
"clk26m",
"syspll_d24"
};
-static const char * const fix_parents[] __initconst = {
+static const char * const fix_parents[] = {
"rtc32k",
"clk26m",
"univpll_d5",
@@ -257,7 +258,7 @@ static const char * const fix_parents[] __initconst = {
"univpll1_d8"
};
-static const char * const vdec_parents[] __initconst = {
+static const char * const vdec_parents[] = {
"clk26m",
"vdecpll",
"clkph_mck",
@@ -276,13 +277,13 @@ static const char * const vdec_parents[] __initconst = {
"lvdspll"
};
-static const char * const ddrphycfg_parents[] __initconst = {
+static const char * const ddrphycfg_parents[] = {
"clk26m",
"axi_sel",
"syspll_d12"
};
-static const char * const dpilvds_parents[] __initconst = {
+static const char * const dpilvds_parents[] = {
"clk26m",
"lvdspll",
"lvdspll_d2",
@@ -290,7 +291,7 @@ static const char * const dpilvds_parents[] __initconst = {
"lvdspll_d8"
};
-static const char * const pmicspi_parents[] __initconst = {
+static const char * const pmicspi_parents[] = {
"clk26m",
"univpll2_d6",
"syspll_d8",
@@ -301,14 +302,14 @@ static const char * const pmicspi_parents[] __initconst = {
"syspll_d24"
};
-static const char * const smi_mfg_as_parents[] __initconst = {
+static const char * const smi_mfg_as_parents[] = {
"clk26m",
"smi_sel",
"mfg_sel",
"mem_sel"
};
-static const char * const gcpu_parents[] __initconst = {
+static const char * const gcpu_parents[] = {
"clk26m",
"syspll_d4",
"univpll_d7",
@@ -316,14 +317,14 @@ static const char * const gcpu_parents[] __initconst = {
"syspll_d6"
};
-static const char * const dpi1_parents[] __initconst = {
+static const char * const dpi1_parents[] = {
"clk26m",
"tvhdmi_h_ck",
"tvhdmi_d2",
"tvhdmi_d4"
};
-static const char * const cci_parents[] __initconst = {
+static const char * const cci_parents[] = {
"clk26m",
"mainpll_537p3m",
"univpll_d3",
@@ -332,7 +333,7 @@ static const char * const cci_parents[] __initconst = {
"syspll_d5"
};
-static const char * const apll_parents[] __initconst = {
+static const char * const apll_parents[] = {
"clk26m",
"apll_ck",
"apll_d4",
@@ -341,14 +342,14 @@ static const char * const apll_parents[] __initconst = {
"apll_d24"
};
-static const char * const hdmipll_parents[] __initconst = {
+static const char * const hdmipll_parents[] = {
"clk26m",
"hdmitx_clkdig_cts",
"hdmitx_clkdig_d2",
"hdmitx_clkdig_d3"
};
-static const struct mtk_composite top_muxes[] __initconst = {
+static const struct mtk_composite top_muxes[] = {
/* CLK_CFG_0 */
MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
0x0140, 0, 3, INVALID_MUX_GATE_BIT),
@@ -390,7 +391,7 @@ static const struct mtk_composite top_muxes[] __initconst = {
MUX_GATE(CLK_TOP_GCPU_SEL, "gcpu_sel", gcpu_parents, 0x0164, 24, 3, 31),
/* CLK_CFG_9 */
MUX_GATE(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, 0x0168, 0, 2, 7),
- MUX_GATE(CLK_TOP_CCI_SEL, "cci_sel", cci_parents, 0x0168, 8, 3, 15),
+ MUX_GATE_FLAGS(CLK_TOP_CCI_SEL, "cci_sel", cci_parents, 0x0168, 8, 3, 15, CLK_IS_CRITICAL),
MUX_GATE(CLK_TOP_APLL_SEL, "apll_sel", apll_parents, 0x0168, 16, 3, 23),
MUX_GATE(CLK_TOP_HDMIPLL_SEL, "hdmipll_sel", hdmipll_parents, 0x0168, 24, 2, 31),
};
@@ -401,23 +402,22 @@ static const struct mtk_gate_regs infra_cg_regs = {
.sta_ofs = 0x0048,
};
-#define GATE_ICG(_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_ICG(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+#define GATE_ICG_AO(_id, _name, _parent, _shift) \
+ GATE_MTK_FLAGS(_id, _name, _parent, &infra_cg_regs, _shift, \
+ &mtk_clk_gate_ops_setclr, CLK_IS_CRITICAL)
-static const struct mtk_gate infra_clks[] __initconst = {
+static const struct mtk_gate infra_clks[] = {
+ GATE_DUMMY(CLK_DUMMY, "infra_dummy"),
GATE_ICG(CLK_INFRA_PMIC_WRAP, "pmic_wrap_ck", "axi_sel", 23),
GATE_ICG(CLK_INFRA_PMICSPI, "pmicspi_ck", "pmicspi_sel", 22),
GATE_ICG(CLK_INFRA_CCIF1_AP_CTRL, "ccif1_ap_ctrl", "axi_sel", 21),
GATE_ICG(CLK_INFRA_CCIF0_AP_CTRL, "ccif0_ap_ctrl", "axi_sel", 20),
GATE_ICG(CLK_INFRA_KP, "kp_ck", "axi_sel", 16),
GATE_ICG(CLK_INFRA_CPUM, "cpum_ck", "cpum_tck_in", 15),
- GATE_ICG(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8),
+ GATE_ICG_AO(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8),
GATE_ICG(CLK_INFRA_MFGAXI, "mfgaxi_ck", "axi_sel", 7),
GATE_ICG(CLK_INFRA_DEVAPC, "devapc_ck", "axi_sel", 6),
GATE_ICG(CLK_INFRA_AUDIO, "audio_ck", "aud_intbus_sel", 5),
@@ -438,25 +438,14 @@ static const struct mtk_gate_regs peri1_cg_regs = {
.sta_ofs = 0x001c,
};
-#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_PERI0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &peri0_cg_regs, _shift, &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_PERI1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &peri1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
-static const struct mtk_gate peri_gates[] __initconst = {
+static const struct mtk_gate peri_gates[] = {
+ GATE_DUMMY(CLK_DUMMY, "peri_dummy"),
/* PERI0 */
GATE_PERI0(CLK_PERI_I2C5, "i2c5_ck", "axi_sel", 31),
GATE_PERI0(CLK_PERI_I2C4, "i2c4_ck", "axi_sel", 30),
@@ -502,12 +491,12 @@ static const struct mtk_gate peri_gates[] __initconst = {
GATE_PERI1(CLK_PERI_I2C6, "i2c6_ck", "axi_sel", 0),
};
-static const char * const uart_ck_sel_parents[] __initconst = {
+static const char * const uart_ck_sel_parents[] = {
"clk26m",
"uart_sel",
};
-static const struct mtk_composite peri_clks[] __initconst = {
+static const struct mtk_composite peri_clks[] = {
MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, 0x40c, 0, 1),
MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, 0x40c, 1, 1),
MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, 0x40c, 2, 1),
@@ -532,127 +521,46 @@ static const struct mtk_clk_rst_desc clk_rst_desc[] = {
}
};
-static void __init mtk_topckgen_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_TOP_NR_CLK);
-
- mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data);
- mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
- mtk_clk_register_composites(NULL, top_muxes,
- ARRAY_SIZE(top_muxes), base,
- &mt8135_clk_lock, clk_data);
-
- clk_prepare_enable(clk_data->hws[CLK_TOP_CCI_SEL]->clk);
-
- 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,mt8135-topckgen", mtk_topckgen_init);
-
-static void __init mtk_infrasys_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
- int r;
-
- clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
-
- mtk_clk_register_gates(NULL, node, infra_clks,
- ARRAY_SIZE(infra_clks), clk_data);
-
- clk_prepare_enable(clk_data->hws[CLK_INFRA_M4U]->clk);
-
- 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 const struct mtk_clk_desc infra_desc = {
+ .clks = infra_clks,
+ .num_clks = ARRAY_SIZE(infra_clks),
+ .rst_desc = &clk_rst_desc[0],
+};
- mtk_register_reset_controller(node, &clk_rst_desc[0]);
-}
-CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8135-infracfg", mtk_infrasys_init);
+static const struct mtk_clk_desc peri_desc = {
+ .clks = peri_gates,
+ .num_clks = ARRAY_SIZE(peri_gates),
+ .composite_clks = peri_clks,
+ .num_composite_clks = ARRAY_SIZE(peri_clks),
+ .clk_lock = &mt8135_clk_lock,
+ .rst_desc = &clk_rst_desc[1],
+};
-static void __init mtk_pericfg_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
- int r;
- void __iomem *base;
+static const struct mtk_clk_desc topck_desc = {
+ .factor_clks = top_divs,
+ .num_factor_clks = ARRAY_SIZE(top_divs),
+ .composite_clks = top_muxes,
+ .num_composite_clks = ARRAY_SIZE(top_muxes),
+ .clk_lock = &mt8135_clk_lock,
+};
- base = of_iomap(node, 0);
- if (!base) {
- pr_err("%s(): ioremap failed\n", __func__);
- return;
- }
+static const struct of_device_id of_match_clk_mt8135[] = {
+ { .compatible = "mediatek,mt8135-infracfg", .data = &infra_desc },
+ { .compatible = "mediatek,mt8135-pericfg", .data = &peri_desc },
+ { .compatible = "mediatek,mt8135-topckgen", .data = &topck_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8135);
- clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
-
- mtk_clk_register_gates(NULL, node, peri_gates,
- ARRAY_SIZE(peri_gates), clk_data);
- mtk_clk_register_composites(NULL, peri_clks,
- ARRAY_SIZE(peri_clks), base,
- &mt8135_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);
-
- mtk_register_reset_controller(node, &clk_rst_desc[1]);
-}
-CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8135-pericfg", mtk_pericfg_init);
-
-#define MT8135_PLL_FMAX (2000 * MHZ)
-#define CON0_MT8135_RST_BAR BIT(27)
-
-#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) { \
- .id = _id, \
- .name = _name, \
- .reg = _reg, \
- .pwr_reg = _pwr_reg, \
- .en_mask = _en_mask, \
- .flags = _flags, \
- .rst_bar_mask = CON0_MT8135_RST_BAR, \
- .fmax = MT8135_PLL_FMAX, \
- .pcwbits = _pcwbits, \
- .pd_reg = _pd_reg, \
- .pd_shift = _pd_shift, \
- .tuner_reg = _tuner_reg, \
- .pcw_reg = _pcw_reg, \
- .pcw_shift = _pcw_shift, \
- }
+static struct platform_driver clk_mt8135_drv = {
+ .driver = {
+ .name = "clk-mt8135",
+ .of_match_table = of_match_clk_mt8135,
+ },
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+};
+module_platform_driver(clk_mt8135_drv);
-static const struct mtk_pll_data plls[] = {
- PLL(CLK_APMIXED_ARMPLL1, "armpll1", 0x200, 0x218, 0x80000000, 0, 21, 0x204, 24, 0x0, 0x204, 0),
- PLL(CLK_APMIXED_ARMPLL2, "armpll2", 0x2cc, 0x2e4, 0x80000000, 0, 21, 0x2d0, 24, 0x0, 0x2d0, 0),
- PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x21c, 0x234, 0xf0000000, HAVE_RST_BAR, 21, 0x21c, 6, 0x0, 0x220, 0),
- PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x238, 0x250, 0xf3000000, HAVE_RST_BAR, 7, 0x238, 6, 0x0, 0x238, 9),
- PLL(CLK_APMIXED_MMPLL, "mmpll", 0x254, 0x26c, 0xf0000000, HAVE_RST_BAR, 21, 0x254, 6, 0x0, 0x258, 0),
- PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x278, 0x290, 0x80000000, 0, 21, 0x278, 6, 0x0, 0x27c, 0),
- PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x294, 0x2ac, 0x80000000, 0, 31, 0x294, 6, 0x0, 0x298, 0),
- PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2b0, 0x2c8, 0x80000000, 0, 21, 0x2b0, 6, 0x0, 0x2b4, 0),
- PLL(CLK_APMIXED_AUDPLL, "audpll", 0x2e8, 0x300, 0x80000000, 0, 31, 0x2e8, 6, 0x2f8, 0x2ec, 0),
- PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x304, 0x31c, 0x80000000, 0, 21, 0x2b0, 6, 0x0, 0x308, 0),
-};
-
-static void __init mtk_apmixedsys_init(struct device_node *node)
-{
- struct clk_hw_onecell_data *clk_data;
-
- clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
- if (!clk_data)
- return;
-
- mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
-}
-CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8135-apmixedsys",
- mtk_apmixedsys_init);
+MODULE_DESCRIPTION("MediaTek MT8135 clocks driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-22 17:04:00 +0100