diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192.c | 317 |
1 files changed, 122 insertions, 195 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c index cbc7c6dbe0f4..d0f226931070 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -12,11 +12,13 @@ #include <linux/platform_device.h> #include <linux/slab.h> +#include "clk-gate.h" #include "clk-mtk.h" #include "clk-mux.h" -#include "clk-gate.h" +#include "clk-pll.h" #include <dt-bindings/clock/mt8192-clk.h> +#include <dt-bindings/reset/mt8192-resets.h> static DEFINE_SPINLOCK(mt8192_clk_lock); @@ -165,22 +167,7 @@ static const char * const mdp_parents[] = { "mmpll_d5_d2" }; -static const char * const img1_parents[] = { - "clk26m", - "univpll_d4", - "tvdpll_ck", - "mainpll_d4", - "univpll_d5", - "mmpll_d6", - "univpll_d6", - "mainpll_d6", - "mmpll_d4_d2", - "mainpll_d4_d2", - "mmpll_d6_d2", - "mmpll_d5_d2" -}; - -static const char * const img2_parents[] = { +static const char * const img_parents[] = { "clk26m", "univpll_d4", "tvdpll_ck", @@ -278,61 +265,6 @@ static const char * const camtg_parents[] = { "univpll_192m_d32" }; -static const char * const camtg2_parents[] = { - "clk26m", - "univpll_192m_d8", - "univpll_d6_d8", - "univpll_192m_d4", - "univpll_d6_d16", - "csw_f26m_d2", - "univpll_192m_d16", - "univpll_192m_d32" -}; - -static const char * const camtg3_parents[] = { - "clk26m", - "univpll_192m_d8", - "univpll_d6_d8", - "univpll_192m_d4", - "univpll_d6_d16", - "csw_f26m_d2", - "univpll_192m_d16", - "univpll_192m_d32" -}; - -static const char * const camtg4_parents[] = { - "clk26m", - "univpll_192m_d8", - "univpll_d6_d8", - "univpll_192m_d4", - "univpll_d6_d16", - "csw_f26m_d2", - "univpll_192m_d16", - "univpll_192m_d32" -}; - -static const char * const camtg5_parents[] = { - "clk26m", - "univpll_192m_d8", - "univpll_d6_d8", - "univpll_192m_d4", - "univpll_d6_d16", - "csw_f26m_d2", - "univpll_192m_d16", - "univpll_192m_d32" -}; - -static const char * const camtg6_parents[] = { - "clk26m", - "univpll_192m_d8", - "univpll_d6_d8", - "univpll_192m_d4", - "univpll_d6_d16", - "csw_f26m_d2", - "univpll_192m_d16", - "univpll_192m_d32" -}; - static const char * const uart_parents[] = { "clk26m", "univpll_d6_d8" @@ -360,15 +292,7 @@ static const char * const msdc50_0_parents[] = { "univpll_d4_d2" }; -static const char * const msdc30_1_parents[] = { - "clk26m", - "univpll_d6_d2", - "mainpll_d6_d2", - "mainpll_d7_d2", - "msdcpll_d2" -}; - -static const char * const msdc30_2_parents[] = { +static const char * const msdc30_parents[] = { "clk26m", "univpll_d6_d2", "mainpll_d6_d2", @@ -455,39 +379,6 @@ static const char * const seninf_parents[] = { "univpll_d5" }; -static const char * const seninf1_parents[] = { - "clk26m", - "univpll_d4_d4", - "univpll_d6_d2", - "univpll_d4_d2", - "univpll_d7", - "univpll_d6", - "mmpll_d6", - "univpll_d5" -}; - -static const char * const seninf2_parents[] = { - "clk26m", - "univpll_d4_d4", - "univpll_d6_d2", - "univpll_d4_d2", - "univpll_d7", - "univpll_d6", - "mmpll_d6", - "univpll_d5" -}; - -static const char * const seninf3_parents[] = { - "clk26m", - "univpll_d4_d4", - "univpll_d6_d2", - "univpll_d4_d2", - "univpll_d7", - "univpll_d6", - "mmpll_d6", - "univpll_d5" -}; - static const char * const tl_parents[] = { "clk26m", "univpll_192m_d2", @@ -647,52 +538,7 @@ static const char * const sflash_parents[] = { "univpll_d5_d8" }; -static const char * const apll_i2s0_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s1_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s2_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s3_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s4_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s5_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s6_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s7_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s8_m_parents[] = { - "aud_1_sel", - "aud_2_sel" -}; - -static const char * const apll_i2s9_m_parents[] = { +static const char * const apll_i2s_m_parents[] = { "aud_1_sel", "aud_2_sel" }; @@ -722,9 +568,9 @@ static const struct mtk_mux top_mtk_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_MDP_SEL, "mdp_sel", mdp_parents, 0x020, 0x024, 0x028, 8, 4, 15, 0x004, 5), MUX_GATE_CLR_SET_UPD(CLK_TOP_IMG1_SEL, "img1_sel", - img1_parents, 0x020, 0x024, 0x028, 16, 4, 23, 0x004, 6), + img_parents, 0x020, 0x024, 0x028, 16, 4, 23, 0x004, 6), MUX_GATE_CLR_SET_UPD(CLK_TOP_IMG2_SEL, "img2_sel", - img2_parents, 0x020, 0x024, 0x028, 24, 4, 31, 0x004, 7), + img_parents, 0x020, 0x024, 0x028, 24, 4, 31, 0x004, 7), /* CLK_CFG_2 */ MUX_GATE_CLR_SET_UPD(CLK_TOP_IPE_SEL, "ipe_sel", ipe_parents, 0x030, 0x034, 0x038, 0, 4, 7, 0x004, 8), @@ -745,16 +591,16 @@ static const struct mtk_mux top_mtk_muxes[] = { camtg_parents, 0x050, 0x054, 0x058, 24, 3, 31, 0x004, 19), /* CLK_CFG_5 */ MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG2_SEL, "camtg2_sel", - camtg2_parents, 0x060, 0x064, 0x068, 0, 3, 7, 0x004, 20), + camtg_parents, 0x060, 0x064, 0x068, 0, 3, 7, 0x004, 20), MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG3_SEL, "camtg3_sel", - camtg3_parents, 0x060, 0x064, 0x068, 8, 3, 15, 0x004, 21), + camtg_parents, 0x060, 0x064, 0x068, 8, 3, 15, 0x004, 21), MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG4_SEL, "camtg4_sel", - camtg4_parents, 0x060, 0x064, 0x068, 16, 3, 23, 0x004, 22), + camtg_parents, 0x060, 0x064, 0x068, 16, 3, 23, 0x004, 22), MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG5_SEL, "camtg5_sel", - camtg5_parents, 0x060, 0x064, 0x068, 24, 3, 31, 0x004, 23), + camtg_parents, 0x060, 0x064, 0x068, 24, 3, 31, 0x004, 23), /* CLK_CFG_6 */ MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG6_SEL, "camtg6_sel", - camtg6_parents, 0x070, 0x074, 0x078, 0, 3, 7, 0x004, 24), + camtg_parents, 0x070, 0x074, 0x078, 0, 3, 7, 0x004, 24), MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x070, 0x074, 0x078, 8, 1, 15, 0x004, 25), MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", @@ -765,9 +611,9 @@ static const struct mtk_mux top_mtk_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_parents, 0x080, 0x084, 0x088, 0, 3, 7, 0x004, 28), MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", - msdc30_1_parents, 0x080, 0x084, 0x088, 8, 3, 15, 0x004, 29), + msdc30_parents, 0x080, 0x084, 0x088, 8, 3, 15, 0x004, 29), MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", - msdc30_2_parents, 0x080, 0x084, 0x088, 16, 3, 23, 0x004, 30), + msdc30_parents, 0x080, 0x084, 0x088, 16, 3, 23, 0x004, 30), MUX_GATE_CLR_SET_UPD(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents, 0x080, 0x084, 0x088, 24, 2, 31, 0x008, 0), /* CLK_CFG_8 */ @@ -794,12 +640,12 @@ static const struct mtk_mux top_mtk_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_SENINF_SEL, "seninf_sel", seninf_parents, 0x0b0, 0x0b4, 0x0b8, 16, 3, 23, 0x008, 11), MUX_GATE_CLR_SET_UPD(CLK_TOP_SENINF1_SEL, "seninf1_sel", - seninf1_parents, 0x0b0, 0x0b4, 0x0b8, 24, 3, 31, 0x008, 12), + seninf_parents, 0x0b0, 0x0b4, 0x0b8, 24, 3, 31, 0x008, 12), /* CLK_CFG_11 */ MUX_GATE_CLR_SET_UPD(CLK_TOP_SENINF2_SEL, "seninf2_sel", - seninf2_parents, 0x0c0, 0x0c4, 0x0c8, 0, 3, 7, 0x008, 13), + seninf_parents, 0x0c0, 0x0c4, 0x0c8, 0, 3, 7, 0x008, 13), MUX_GATE_CLR_SET_UPD(CLK_TOP_SENINF3_SEL, "seninf3_sel", - seninf3_parents, 0x0c0, 0x0c4, 0x0c8, 8, 3, 15, 0x008, 14), + seninf_parents, 0x0c0, 0x0c4, 0x0c8, 8, 3, 15, 0x008, 14), MUX_GATE_CLR_SET_UPD(CLK_TOP_TL_SEL, "tl_sel", tl_parents, 0x0c0, 0x0c4, 0x0c8, 16, 2, 23, 0x008, 15), MUX_GATE_CLR_SET_UPD(CLK_TOP_DXCC_SEL, "dxcc_sel", @@ -845,16 +691,16 @@ static const struct mtk_mux top_mtk_muxes[] = { static struct mtk_composite top_muxes[] = { /* CLK_AUDDIV_0 */ - MUX(CLK_TOP_APLL_I2S0_M_SEL, "apll_i2s0_m_sel", apll_i2s0_m_parents, 0x320, 16, 1), - MUX(CLK_TOP_APLL_I2S1_M_SEL, "apll_i2s1_m_sel", apll_i2s1_m_parents, 0x320, 17, 1), - MUX(CLK_TOP_APLL_I2S2_M_SEL, "apll_i2s2_m_sel", apll_i2s2_m_parents, 0x320, 18, 1), - MUX(CLK_TOP_APLL_I2S3_M_SEL, "apll_i2s3_m_sel", apll_i2s3_m_parents, 0x320, 19, 1), - MUX(CLK_TOP_APLL_I2S4_M_SEL, "apll_i2s4_m_sel", apll_i2s4_m_parents, 0x320, 20, 1), - MUX(CLK_TOP_APLL_I2S5_M_SEL, "apll_i2s5_m_sel", apll_i2s5_m_parents, 0x320, 21, 1), - MUX(CLK_TOP_APLL_I2S6_M_SEL, "apll_i2s6_m_sel", apll_i2s6_m_parents, 0x320, 22, 1), - MUX(CLK_TOP_APLL_I2S7_M_SEL, "apll_i2s7_m_sel", apll_i2s7_m_parents, 0x320, 23, 1), - MUX(CLK_TOP_APLL_I2S8_M_SEL, "apll_i2s8_m_sel", apll_i2s8_m_parents, 0x320, 24, 1), - MUX(CLK_TOP_APLL_I2S9_M_SEL, "apll_i2s9_m_sel", apll_i2s9_m_parents, 0x320, 25, 1), + MUX(CLK_TOP_APLL_I2S0_M_SEL, "apll_i2s0_m_sel", apll_i2s_m_parents, 0x320, 16, 1), + MUX(CLK_TOP_APLL_I2S1_M_SEL, "apll_i2s1_m_sel", apll_i2s_m_parents, 0x320, 17, 1), + MUX(CLK_TOP_APLL_I2S2_M_SEL, "apll_i2s2_m_sel", apll_i2s_m_parents, 0x320, 18, 1), + MUX(CLK_TOP_APLL_I2S3_M_SEL, "apll_i2s3_m_sel", apll_i2s_m_parents, 0x320, 19, 1), + MUX(CLK_TOP_APLL_I2S4_M_SEL, "apll_i2s4_m_sel", apll_i2s_m_parents, 0x320, 20, 1), + MUX(CLK_TOP_APLL_I2S5_M_SEL, "apll_i2s5_m_sel", apll_i2s_m_parents, 0x320, 21, 1), + MUX(CLK_TOP_APLL_I2S6_M_SEL, "apll_i2s6_m_sel", apll_i2s_m_parents, 0x320, 22, 1), + MUX(CLK_TOP_APLL_I2S7_M_SEL, "apll_i2s7_m_sel", apll_i2s_m_parents, 0x320, 23, 1), + MUX(CLK_TOP_APLL_I2S8_M_SEL, "apll_i2s8_m_sel", apll_i2s_m_parents, 0x320, 24, 1), + MUX(CLK_TOP_APLL_I2S9_M_SEL, "apll_i2s9_m_sel", apll_i2s_m_parents, 0x320, 25, 1), }; static const struct mtk_composite top_adj_divs[] = { @@ -1113,6 +959,30 @@ 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 @@ -1177,7 +1047,7 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 0x0330, 24, 0, 0, 0, 0x0334, 0), }; -static struct clk_onecell_data *top_clk_data; +static struct clk_hw_onecell_data *top_clk_data; static void clk_mt8192_top_init_early(struct device_node *node) { @@ -1188,16 +1058,38 @@ static void clk_mt8192_top_init_early(struct device_node *node) return; for (i = 0; i < CLK_TOP_NR_CLK; i++) - top_clk_data->clks[i] = ERR_PTR(-EPROBE_DEFER); + top_clk_data->hws[i] = ERR_PTR(-EPROBE_DEFER); mtk_clk_register_factors(top_early_divs, ARRAY_SIZE(top_early_divs), top_clk_data); - of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); + of_clk_add_hw_provider(node, of_clk_hw_onecell_get, top_clk_data); } CLK_OF_DECLARE_DRIVER(mt8192_topckgen, "mediatek,mt8192-topckgen", clk_mt8192_top_init_early); +/* Register mux notifier for MFG mux */ +static int clk_mt8192_reg_mfg_mux_notifier(struct device *dev, struct clk *clk) +{ + struct mtk_mux_nb *mfg_mux_nb; + int i; + + mfg_mux_nb = devm_kzalloc(dev, sizeof(*mfg_mux_nb), GFP_KERNEL); + if (!mfg_mux_nb) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(top_mtk_muxes); i++) + if (top_mtk_muxes[i].id == CLK_TOP_MFG_PLL_SEL) + break; + if (i == ARRAY_SIZE(top_mtk_muxes)) + return -EINVAL; + + mfg_mux_nb->ops = top_mtk_muxes[i].ops; + mfg_mux_nb->bypass_index = 0; /* Bypass to 26M crystal */ + + return devm_mtk_clk_mux_notifier_register(dev, clk, mfg_mux_nb); +} + static int clk_mt8192_top_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; @@ -1221,12 +1113,19 @@ static int clk_mt8192_top_probe(struct platform_device *pdev) if (r) return r; - return of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); + r = clk_mt8192_reg_mfg_mux_notifier(&pdev->dev, + top_clk_data->hws[CLK_TOP_MFG_PLL_SEL]->clk); + if (r) + return r; + + + return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, + top_clk_data); } static int clk_mt8192_infra_probe(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; int r; @@ -1236,14 +1135,26 @@ static int clk_mt8192_infra_probe(struct platform_device *pdev) r = mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), clk_data); if (r) - return r; + goto free_clk_data; - return of_clk_add_provider(node, of_clk_src_onecell_get, 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; + + return r; + +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } static int clk_mt8192_peri_probe(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; int r; @@ -1253,14 +1164,22 @@ static int clk_mt8192_peri_probe(struct platform_device *pdev) r = mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks), clk_data); if (r) - return r; + goto free_clk_data; - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + goto free_clk_data; + + return r; + +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } static int clk_mt8192_apmixed_probe(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; int r; @@ -1271,9 +1190,17 @@ static int clk_mt8192_apmixed_probe(struct platform_device *pdev) mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); r = mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data); if (r) - return r; + goto free_clk_data; - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + goto free_clk_data; + + return r; + +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } static const struct of_device_id of_match_clk_mt8192[] = { |