diff options
Diffstat (limited to 'drivers/clk/mediatek')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701-eth.c | 10 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701-g3d.c | 10 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701-hif.c | 10 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701.c | 22 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2712.c | 22 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7622-eth.c | 10 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7622-hif.c | 12 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7622.c | 22 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7629-eth.c | 10 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7629-hif.c | 12 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8135.c | 22 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8173.c | 22 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8183.c | 18 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8186-infra_ao.c | 23 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192-msdc.c | 21 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192.c | 29 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8195-infra_ao.c | 24 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mtk.c | 7 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mtk.h | 9 | ||||
| -rw-r--r-- | drivers/clk/mediatek/reset.c | 198 | ||||
| -rw-r--r-- | drivers/clk/mediatek/reset.h | 82 |
21 files changed, 492 insertions, 103 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c index 47c2289f3d1d..edf1e2ed2b59 100644 --- a/drivers/clk/mediatek/clk-mt2701-eth.c +++ b/drivers/clk/mediatek/clk-mt2701-eth.c @@ -36,6 +36,14 @@ static const struct mtk_gate eth_clks[] = { GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29), }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static const struct of_device_id of_match_clk_mt2701_eth[] = { { .compatible = "mediatek,mt2701-ethsys", }, {} @@ -58,7 +66,7 @@ static int clk_mt2701_eth_probe(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c index 79929ed37f83..1458109d99d9 100644 --- a/drivers/clk/mediatek/clk-mt2701-g3d.c +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -35,6 +35,14 @@ static const struct mtk_gate g3d_clks[] = { GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), }; +static u16 rst_ofs[] = { 0xc, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static int clk_mt2701_g3dsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -52,7 +60,7 @@ static int clk_mt2701_g3dsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0xc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index 1aa36cb93ad0..434cbbe8c037 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -33,6 +33,14 @@ static const struct mtk_gate hif_clks[] = { GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26), }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static const struct of_device_id of_match_clk_mt2701_hif[] = { { .compatible = "mediatek,mt2701-hifsys", }, {} @@ -57,7 +65,7 @@ static int clk_mt2701_hif_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 04ba356db2d7..9b442af37e67 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -735,6 +735,24 @@ static const struct mtk_fixed_factor infra_fixed_divs[] = { FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +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 struct clk_hw_onecell_data *infra_clk_data; static void __init mtk_infrasys_init_early(struct device_node *node) @@ -787,7 +805,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 2, 0x30); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return 0; } @@ -910,7 +928,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 2, 0x0); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index 410b059727ea..56980dd6c2ea 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1258,6 +1258,24 @@ static const struct mtk_pll_data plls[] = { 0, 31, 0x0300, 4, 0, 0, 0, 0x0304, 0), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infra */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), + }, + /* peri */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), + }, +}; + static int clk_mt2712_apmixed_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -1361,7 +1379,7 @@ static int clk_mt2712_infra_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0x30); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return r; } @@ -1383,7 +1401,7 @@ static int clk_mt2712_peri_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-eth.c b/drivers/clk/mediatek/clk-mt7622-eth.c index b12d48705496..43de0477d5d9 100644 --- a/drivers/clk/mediatek/clk-mt7622-eth.c +++ b/drivers/clk/mediatek/clk-mt7622-eth.c @@ -65,6 +65,14 @@ static const struct mtk_gate sgmii_clks[] = { "ssusb_cdr_fb", 5), }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static int clk_mt7622_ethsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -82,7 +90,7 @@ static int clk_mt7622_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-hif.c b/drivers/clk/mediatek/clk-mt7622-hif.c index 58728e35e80a..67e96231dd25 100644 --- a/drivers/clk/mediatek/clk-mt7622-hif.c +++ b/drivers/clk/mediatek/clk-mt7622-hif.c @@ -76,6 +76,14 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_SATA_PM_EN, "sata_pm_en", "univpll2_d4", 30), }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -93,7 +101,7 @@ static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } @@ -115,7 +123,7 @@ static int clk_mt7622_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index e4a5e5230861..3b55f8641fae 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -610,6 +610,24 @@ 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 int mtk_topckgen_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -663,7 +681,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 1, 0x30); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return 0; } @@ -714,7 +732,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) clk_prepare_enable(clk_data->hws[CLK_PERI_UART0_PD]->clk); - mtk_register_reset_controller(node, 2, 0x0); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt7629-eth.c b/drivers/clk/mediatek/clk-mt7629-eth.c index c49fd732c9b2..282dd6559465 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -76,6 +76,14 @@ static const struct mtk_gate sgmii_clks[2][4] = { } }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static int clk_mt7629_ethsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -92,7 +100,7 @@ static int clk_mt7629_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c index acaa97fda331..0c8b9e139789 100644 --- a/drivers/clk/mediatek/clk-mt7629-hif.c +++ b/drivers/clk/mediatek/clk-mt7629-hif.c @@ -71,6 +71,14 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_PCIE_P0_PIPE_EN, "pcie_p0_pipe_en", "pcie0_pipe_en", 23), }; +static u16 rst_ofs[] = { 0x34, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -88,7 +96,7 @@ static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } @@ -110,7 +118,7 @@ static int clk_mt7629_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, 1, 0x34); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index 9ef524b44862..b68888a034c4 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -514,6 +514,24 @@ static const struct mtk_composite peri_clks[] __initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +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 void __init mtk_topckgen_init(struct device_node *node) { struct clk_hw_onecell_data *clk_data; @@ -559,7 +577,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0x30); + mtk_register_reset_controller(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8135-infracfg", mtk_infrasys_init); @@ -587,7 +605,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0); + mtk_register_reset_controller(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8135-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 0929db330852..b8529ee7199d 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -819,6 +819,24 @@ static const struct mtk_gate venclt_clks[] __initconst = { GATE_VENCLT(CLK_VENCLT_CKE1, "venclt_cke1", "venclt_sel", 4), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +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 struct clk_hw_onecell_data *mt8173_top_clk_data __initdata; static struct clk_hw_onecell_data *mt8173_pll_clk_data __initdata; @@ -882,7 +900,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0x30); + mtk_register_reset_controller(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8173-infracfg", mtk_infrasys_init); @@ -910,7 +928,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0); + mtk_register_reset_controller(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8173-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index b5c17988c337..8512101e1189 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -18,9 +18,6 @@ #include <dt-bindings/clock/mt8183-clk.h> -/* Infra global controller reset set register */ -#define INFRA_RST0_SET_OFFSET 0x120 - static DEFINE_SPINLOCK(mt8183_clk_lock); static const struct mtk_fixed_clk top_fixed_clks[] = { @@ -1153,6 +1150,19 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 8, 0x02B4, 1, 0x02BC, 0x0014, 1, 0x02B8, 0, 0x02B4), }; +static u16 infra_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, +}; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_rst_ofs), +}; + static int clk_mt8183_apmixed_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -1240,7 +1250,7 @@ static int clk_mt8183_infra_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller_set_clr(node, 4, INFRA_RST0_SET_OFFSET); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt8186-infra_ao.c b/drivers/clk/mediatek/clk-mt8186-infra_ao.c index 2a7adc25abaa..df2a6bd1aefa 100644 --- a/drivers/clk/mediatek/clk-mt8186-infra_ao.c +++ b/drivers/clk/mediatek/clk-mt8186-infra_ao.c @@ -6,6 +6,7 @@ #include <linux/clk-provider.h> #include <linux/platform_device.h> #include <dt-bindings/clock/mt8186-clk.h> +#include <dt-bindings/reset/mt8186-resets.h> #include "clk-gate.h" #include "clk-mtk.h" @@ -191,9 +192,31 @@ static const struct mtk_gate infra_ao_clks[] = { GATE_INFRA_AO3(CLK_INFRA_AO_FLASHIF_66M, "infra_ao_flashif_66m", "top_axi", 29), }; +static u16 infra_ao_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, + INFRA_RST4_SET_OFFSET, +}; + +static u16 infra_ao_idx_map[] = { + [MT8186_INFRA_THERMAL_CTRL_RST] = 0 * RST_NR_PER_BANK + 0, + [MT8186_INFRA_PTP_CTRL_RST] = 1 * RST_NR_PER_BANK + 0, +}; + +static struct mtk_clk_rst_desc infra_ao_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), + .rst_idx_map = infra_ao_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map), +}; + static const struct mtk_clk_desc infra_ao_desc = { .clks = infra_ao_clks, .num_clks = ARRAY_SIZE(infra_ao_clks), + .rst_desc = &infra_ao_rst_desc, }; static const struct of_device_id of_match_clk_mt8186_infra_ao[] = { diff --git a/drivers/clk/mediatek/clk-mt8192-msdc.c b/drivers/clk/mediatek/clk-mt8192-msdc.c index 87c3b79b79cf..635f7a0b629a 100644 --- a/drivers/clk/mediatek/clk-mt8192-msdc.c +++ b/drivers/clk/mediatek/clk-mt8192-msdc.c @@ -12,28 +12,15 @@ #include <dt-bindings/clock/mt8192-clk.h> -static const struct mtk_gate_regs msdc_cg_regs = { - .set_ofs = 0xb4, - .clr_ofs = 0xb4, - .sta_ofs = 0xb4, -}; - static const struct mtk_gate_regs msdc_top_cg_regs = { .set_ofs = 0x0, .clr_ofs = 0x0, .sta_ofs = 0x0, }; -#define GATE_MSDC(_id, _name, _parent, _shift) \ - GATE_MTK(_id, _name, _parent, &msdc_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) - #define GATE_MSDC_TOP(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &msdc_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) -static const struct mtk_gate msdc_clks[] = { - GATE_MSDC(CLK_MSDC_AXI_WRAP, "msdc_axi_wrap", "axi_sel", 22), -}; - static const struct mtk_gate msdc_top_clks[] = { GATE_MSDC_TOP(CLK_MSDC_TOP_AES_0P, "msdc_top_aes_0p", "aes_msdcfde_sel", 0), GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_0P, "msdc_top_src_0p", "infra_msdc0_src", 1), @@ -52,11 +39,6 @@ static const struct mtk_gate msdc_top_clks[] = { GATE_MSDC_TOP(CLK_MSDC_TOP_AHB2AXI_BRG_AXI, "msdc_top_ahb2axi_brg_axi", "axi_sel", 14), }; -static const struct mtk_clk_desc msdc_desc = { - .clks = msdc_clks, - .num_clks = ARRAY_SIZE(msdc_clks), -}; - static const struct mtk_clk_desc msdc_top_desc = { .clks = msdc_top_clks, .num_clks = ARRAY_SIZE(msdc_top_clks), @@ -64,9 +46,6 @@ static const struct mtk_clk_desc msdc_top_desc = { static const struct of_device_id of_match_clk_mt8192_msdc[] = { { - .compatible = "mediatek,mt8192-msdc", - .data = &msdc_desc, - }, { .compatible = "mediatek,mt8192-msdc_top", .data = &msdc_top_desc, }, { diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c index dda211b7a745..ebbd2798d9a3 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -18,6 +18,7 @@ #include "clk-pll.h" #include <dt-bindings/clock/mt8192-clk.h> +#include <dt-bindings/reset/mt8192-resets.h> static DEFINE_SPINLOCK(mt8192_clk_lock); @@ -1114,6 +1115,30 @@ static const struct mtk_gate top_clks[] = { GATE_TOP(CLK_TOP_SSUSB_PHY_REF, "ssusb_phy_ref", "clk26m", 25), }; +static u16 infra_ao_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, + INFRA_RST4_SET_OFFSET, +}; + +static u16 infra_ao_idx_map[] = { + [MT8192_INFRA_RST0_THERM_CTRL_SWRST] = 0 * RST_NR_PER_BANK + 0, + [MT8192_INFRA_RST2_PEXTP_PHY_SWRST] = 2 * RST_NR_PER_BANK + 15, + [MT8192_INFRA_RST3_THERM_CTRL_PTP_SWRST] = 3 * RST_NR_PER_BANK + 5, + [MT8192_INFRA_RST4_PCIE_TOP_SWRST] = 4 * RST_NR_PER_BANK + 1, + [MT8192_INFRA_RST4_THERM_CTRL_MCU_SWRST] = 4 * RST_NR_PER_BANK + 12, +}; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), + .rst_idx_map = infra_ao_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map), +}; + #define MT8192_PLL_FMAX (3800UL * MHZ) #define MT8192_PLL_FMIN (1500UL * MHZ) #define MT8192_INTEGER_BITS 8 @@ -1240,6 +1265,10 @@ static int clk_mt8192_infra_probe(struct platform_device *pdev) if (r) goto free_clk_data; + r = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + if (r) + goto free_clk_data; + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) goto free_clk_data; diff --git a/drivers/clk/mediatek/clk-mt8195-infra_ao.c b/drivers/clk/mediatek/clk-mt8195-infra_ao.c index 8ebe3b9415c4..97657f255618 100644 --- a/drivers/clk/mediatek/clk-mt8195-infra_ao.c +++ b/drivers/clk/mediatek/clk-mt8195-infra_ao.c @@ -7,6 +7,7 @@ #include "clk-mtk.h" #include <dt-bindings/clock/mt8195-clk.h> +#include <dt-bindings/reset/mt8195-resets.h> #include <linux/clk-provider.h> #include <linux/platform_device.h> @@ -182,9 +183,32 @@ static const struct mtk_gate infra_ao_clks[] = { GATE_INFRA_AO4(CLK_INFRA_AO_PERI_UFS_MEM_SUB, "infra_ao_peri_ufs_mem_sub", "mem_466m", 31), }; +static u16 infra_ao_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, + INFRA_RST4_SET_OFFSET, +}; + +static u16 infra_ao_idx_map[] = { + [MT8195_INFRA_RST0_THERM_CTRL_SWRST] = 0 * RST_NR_PER_BANK + 0, + [MT8195_INFRA_RST3_THERM_CTRL_PTP_SWRST] = 3 * RST_NR_PER_BANK + 5, + [MT8195_INFRA_RST4_THERM_CTRL_MCU_SWRST] = 4 * RST_NR_PER_BANK + 10, +}; + +static struct mtk_clk_rst_desc infra_ao_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), + .rst_idx_map = infra_ao_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map), +}; + static const struct mtk_clk_desc infra_ao_desc = { .clks = infra_ao_clks, .num_clks = ARRAY_SIZE(infra_ao_clks), + .rst_desc = &infra_ao_rst_desc, }; static const struct of_device_id of_match_clk_mt8195_infra_ao[] = { diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index b9188000ab3c..05a188c62119 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -444,6 +444,13 @@ int mtk_clk_simple_probe(struct platform_device *pdev) platform_set_drvdata(pdev, clk_data); + if (mcd->rst_desc) { + r = mtk_register_reset_controller_with_dev(&pdev->dev, + mcd->rst_desc); + if (r) + goto unregister_clks; + } + return r; unregister_clks: diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index adb1304d35d4..1b95c484d5aa 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -13,6 +13,8 @@ #include <linux/spinlock.h> #include <linux/types.h> +#include "reset.h" + #define MAX_MUX_GATE_BIT 31 #define INVALID_MUX_GATE_BIT (MAX_MUX_GATE_BIT + 1) @@ -187,15 +189,10 @@ void mtk_free_clk_data(struct clk_hw_onecell_data *clk_data); struct clk_hw *mtk_clk_register_ref2usb_tx(const char *name, const char *parent_name, void __iomem *reg); -void mtk_register_reset_controller(struct device_node *np, - unsigned int num_regs, int regofs); - -void mtk_register_reset_controller_set_clr(struct device_node *np, - unsigned int num_regs, int regofs); - struct mtk_clk_desc { const struct mtk_gate *clks; size_t num_clks; + const struct mtk_clk_rst_desc *rst_desc; }; int mtk_clk_simple_probe(struct platform_device *pdev); diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index bcec4b89f449..179505549a7c 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c @@ -8,55 +8,39 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> -#include <linux/reset-controller.h> #include <linux/slab.h> -#include "clk-mtk.h" +#include "reset.h" -struct mtk_reset { - struct regmap *regmap; - int regofs; - struct reset_controller_dev rcdev; -}; - -static int mtk_reset_assert_set_clr(struct reset_controller_dev *rcdev, - unsigned long id) +static inline struct mtk_clk_rst_data *to_mtk_clk_rst_data(struct reset_controller_dev *rcdev) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); - unsigned int reg = data->regofs + ((id / 32) << 4); - - return regmap_write(data->regmap, reg, 1); + return container_of(rcdev, struct mtk_clk_rst_data, rcdev); } -static int mtk_reset_deassert_set_clr(struct reset_controller_dev *rcdev, - unsigned long id) +static int mtk_reset_update(struct reset_controller_dev *rcdev, + unsigned long id, bool deassert) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); - unsigned int reg = data->regofs + ((id / 32) << 4) + 0x4; + struct mtk_clk_rst_data *data = to_mtk_clk_rst_data(rcdev); + unsigned int val = deassert ? 0 : ~0; - return regmap_write(data->regmap, reg, 1); + return regmap_update_bits(data->regmap, + data->desc->rst_bank_ofs[id / RST_NR_PER_BANK], + BIT(id % RST_NR_PER_BANK), val); } static int mtk_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) + unsigned long id) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); - - return regmap_update_bits(data->regmap, data->regofs + ((id / 32) << 2), - BIT(id % 32), ~0); + return mtk_reset_update(rcdev, id, false); } static int mtk_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) + unsigned long id) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); - - return regmap_update_bits(data->regmap, data->regofs + ((id / 32) << 2), - BIT(id % 32), 0); + return mtk_reset_update(rcdev, id, true); } -static int mtk_reset(struct reset_controller_dev *rcdev, - unsigned long id) +static int mtk_reset(struct reset_controller_dev *rcdev, unsigned long id) { int ret; @@ -67,8 +51,32 @@ static int mtk_reset(struct reset_controller_dev *rcdev, return mtk_reset_deassert(rcdev, id); } +static int mtk_reset_update_set_clr(struct reset_controller_dev *rcdev, + unsigned long id, bool deassert) +{ + struct mtk_clk_rst_data *data = to_mtk_clk_rst_data(rcdev); + unsigned int deassert_ofs = deassert ? 0x4 : 0; + + return regmap_write(data->regmap, + data->desc->rst_bank_ofs[id / RST_NR_PER_BANK] + + deassert_ofs, + BIT(id % RST_NR_PER_BANK)); +} + +static int mtk_reset_assert_set_clr(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return mtk_reset_update_set_clr(rcdev, id, false); +} + +static int mtk_reset_deassert_set_clr(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return mtk_reset_update_set_clr(rcdev, id, true); +} + static int mtk_reset_set_clr(struct reset_controller_dev *rcdev, - unsigned long id) + unsigned long id) { int ret; @@ -90,51 +98,135 @@ static const struct reset_control_ops mtk_reset_ops_set_clr = { .reset = mtk_reset_set_clr, }; -static void mtk_register_reset_controller_common(struct device_node *np, - unsigned int num_regs, int regofs, - const struct reset_control_ops *reset_ops) +static int reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct mtk_clk_rst_data *data = to_mtk_clk_rst_data(rcdev); + + if (reset_spec->args[0] >= rcdev->nr_resets || + reset_spec->args[0] >= data->desc->rst_idx_map_nr) + return -EINVAL; + + return data->desc->rst_idx_map[reset_spec->args[0]]; +} + +int mtk_register_reset_controller(struct device_node *np, + const struct mtk_clk_rst_desc *desc) { - struct mtk_reset *data; - int ret; struct regmap *regmap; + const struct reset_control_ops *rcops = NULL; + struct mtk_clk_rst_data *data; + int ret; + + if (!desc) { + pr_err("mtk clock reset desc is NULL\n"); + return -EINVAL; + } + + switch (desc->version) { + case MTK_RST_SIMPLE: + rcops = &mtk_reset_ops; + break; + case MTK_RST_SET_CLR: + rcops = &mtk_reset_ops_set_clr; + break; + default: + pr_err("Unknown reset version %d\n", desc->version); + return -EINVAL; + } regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) { pr_err("Cannot find regmap for %pOF: %pe\n", np, regmap); - return; + return -EINVAL; } data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) - return; + return -ENOMEM; + data->desc = desc; data->regmap = regmap; - data->regofs = regofs; data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = num_regs * 32; - data->rcdev.ops = reset_ops; + data->rcdev.ops = rcops; data->rcdev.of_node = np; + if (data->desc->rst_idx_map_nr > 0) { + data->rcdev.of_reset_n_cells = 1; + data->rcdev.nr_resets = desc->rst_idx_map_nr; + data->rcdev.of_xlate = reset_xlate; + } else { + data->rcdev.nr_resets = desc->rst_bank_nr * RST_NR_PER_BANK; + } + ret = reset_controller_register(&data->rcdev); if (ret) { pr_err("could not register reset controller: %d\n", ret); kfree(data); - return; + return ret; } -} -void mtk_register_reset_controller(struct device_node *np, - unsigned int num_regs, int regofs) -{ - mtk_register_reset_controller_common(np, num_regs, regofs, - &mtk_reset_ops); + return 0; } -void mtk_register_reset_controller_set_clr(struct device_node *np, - unsigned int num_regs, int regofs) +int mtk_register_reset_controller_with_dev(struct device *dev, + const struct mtk_clk_rst_desc *desc) { - mtk_register_reset_controller_common(np, num_regs, regofs, - &mtk_reset_ops_set_clr); + struct device_node *np = dev->of_node; + struct regmap *regmap; + const struct reset_control_ops *rcops = NULL; + struct mtk_clk_rst_data *data; + int ret; + + if (!desc) { + dev_err(dev, "mtk clock reset desc is NULL\n"); + return -EINVAL; + } + + switch (desc->version) { + case MTK_RST_SIMPLE: + rcops = &mtk_reset_ops; + break; + case MTK_RST_SET_CLR: + rcops = &mtk_reset_ops_set_clr; + break; + default: + dev_err(dev, "Unknown reset version %d\n", desc->version); + return -EINVAL; + } + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) { + dev_err(dev, "Cannot find regmap %pe\n", regmap); + return -EINVAL; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->desc = desc; + data->regmap = regmap; + data->rcdev.owner = THIS_MODULE; + data->rcdev.ops = rcops; + data->rcdev.of_node = np; + data->rcdev.dev = dev; + + if (data->desc->rst_idx_map_nr > 0) { + data->rcdev.of_reset_n_cells = 1; + data->rcdev.nr_resets = desc->rst_idx_map_nr; + data->rcdev.of_xlate = reset_xlate; + } else { + data->rcdev.nr_resets = desc->rst_bank_nr * RST_NR_PER_BANK; + } + + ret = devm_reset_controller_register(dev, &data->rcdev); + if (ret) { + dev_err(dev, "could not register reset controller: %d\n", ret); + return ret; + } + + return 0; } MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h new file mode 100644 index 000000000000..6a58a3d59165 --- /dev/null +++ b/drivers/clk/mediatek/reset.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 MediaTek Inc. + */ + +#ifndef __DRV_CLK_MTK_RESET_H +#define __DRV_CLK_MTK_RESET_H + +#include <linux/reset-controller.h> +#include <linux/types.h> + +#define RST_NR_PER_BANK 32 + +/* Infra global controller reset set register */ +#define INFRA_RST0_SET_OFFSET 0x120 +#define INFRA_RST1_SET_OFFSET 0x130 +#define INFRA_RST2_SET_OFFSET 0x140 +#define INFRA_RST3_SET_OFFSET 0x150 +#define INFRA_RST4_SET_OFFSET 0x730 + +/** + * enum mtk_reset_version - Version of MediaTek clock reset controller. + * @MTK_RST_SIMPLE: Use the same registers for bit set and clear. + * @MTK_RST_SET_CLR: Use separate registers for bit set and clear. + * @MTK_RST_MAX: Total quantity of version for MediaTek clock reset controller. + */ +enum mtk_reset_version { + MTK_RST_SIMPLE = 0, + MTK_RST_SET_CLR, + MTK_RST_MAX, +}; + +/** + * struct mtk_clk_rst_desc - Description of MediaTek clock reset. + * @version: Reset version which is defined in enum mtk_reset_version. + * @rst_bank_ofs: Pointer to an array containing base offsets of the reset register. + * @rst_bank_nr: Quantity of reset bank. + * @rst_idx_map:Pointer to an array containing ids if input argument is index. + * This array is not necessary if our input argument does not mean index. + * @rst_idx_map_nr: Quantity of reset index map. + */ +struct mtk_clk_rst_desc { + enum mtk_reset_version version; + u16 *rst_bank_ofs; + u32 rst_bank_nr; + u16 *rst_idx_map; + u32 rst_idx_map_nr; +}; + +/** + * struct mtk_clk_rst_data - Data of MediaTek clock reset controller. + * @regmap: Pointer to base address of reset register address. + * @rcdev: Reset controller device. + * @desc: Pointer to description of the reset controller. + */ +struct mtk_clk_rst_data { + struct regmap *regmap; + struct reset_controller_dev rcdev; + const struct mtk_clk_rst_desc *desc; +}; + +/** + * mtk_register_reset_controller - Register MediaTek clock reset controller + * @np: Pointer to device node. + * @desc: Constant pointer to description of clock reset. + * + * Return: 0 on success and errorno otherwise. + */ +int mtk_register_reset_controller(struct device_node *np, + const struct mtk_clk_rst_desc *desc); + +/** + * mtk_register_reset_controller - Register mediatek clock reset controller with device + * @np: Pointer to device. + * @desc: Constant pointer to description of clock reset. + * + * Return: 0 on success and errorno otherwise. + */ +int mtk_register_reset_controller_with_dev(struct device *dev, + const struct mtk_clk_rst_desc *desc); + +#endif /* __DRV_CLK_MTK_RESET_H */ |