// SPDX-License-Identifier: GPL-2.0-or-later /* * Ingenic JZ4780 SoC CGU driver * * Copyright (c) 2013-2015 Imagination Technologies * Author: Paul Burton * Copyright (c) 2020 周琰杰 (Zhou Yanjie) */ #include #include #include #include #include #include #include "cgu.h" #include "pm.h" /* CGU register offsets */ #define CGU_REG_CLOCKCONTROL 0x00 #define CGU_REG_LCR 0x04 #define CGU_REG_APLL 0x10 #define CGU_REG_MPLL 0x14 #define CGU_REG_EPLL 0x18 #define CGU_REG_VPLL 0x1c #define CGU_REG_CLKGR0 0x20 #define CGU_REG_OPCR 0x24 #define CGU_REG_CLKGR1 0x28 #define CGU_REG_DDRCDR 0x2c #define CGU_REG_VPUCDR 0x30 #define CGU_REG_USBPCR 0x3c #define CGU_REG_USBRDT 0x40 #define CGU_REG_USBVBFIL 0x44 #define CGU_REG_USBPCR1 0x48 #define CGU_REG_LP0CDR 0x54 #define CGU_REG_I2SCDR 0x60 #define CGU_REG_LP1CDR 0x64 #define CGU_REG_MSC0CDR 0x68 #define CGU_REG_UHCCDR 0x6c #define CGU_REG_SSICDR 0x74 #define CGU_REG_CIMCDR 0x7c #define CGU_REG_PCMCDR 0x84 #define CGU_REG_GPUCDR 0x88 #define CGU_REG_HDMICDR 0x8c #define CGU_REG_MSC1CDR 0xa4 #define CGU_REG_MSC2CDR 0xa8 #define CGU_REG_BCHCDR 0xac #define CGU_REG_CLOCKSTATUS 0xd4 /* bits within the OPCR register */ #define OPCR_SPENDN0 BIT(7) #define OPCR_SPENDN1 BIT(6) /* bits within the USBPCR register */ #define USBPCR_USB_MODE BIT(31) #define USBPCR_IDPULLUP_MASK (0x3 << 28) #define USBPCR_COMMONONN BIT(25) #define USBPCR_VBUSVLDEXT BIT(24) #define USBPCR_VBUSVLDEXTSEL BIT(23) #define USBPCR_POR BIT(22) #define USBPCR_SIDDQ BIT(21) #define USBPCR_OTG_DISABLE BIT(20) #define USBPCR_COMPDISTUNE_MASK (0x7 << 17) #define USBPCR_OTGTUNE_MASK (0x7 << 14) #define USBPCR_SQRXTUNE_MASK (0x7 << 11) #define USBPCR_TXFSLSTUNE_MASK (0xf << 7) #define USBPCR_TXPREEMPHTUNE BIT(6) #define USBPCR_TXHSXVTUNE_MASK (0x3 << 4) #define USBPCR_TXVREFTUNE_MASK 0xf /* bits within the USBPCR1 register */ #define USBPCR1_REFCLKSEL_SHIFT 26 #define USBPCR1_REFCLKSEL_MASK (0x3 << USBPCR1_REFCLKSEL_SHIFT) #define USBPCR1_REFCLKSEL_CORE (0x2 << USBPCR1_REFCLKSEL_SHIFT) #define USBPCR1_REFCLKDIV_SHIFT 24 #define USBPCR1_REFCLKDIV_MASK (0x3 << USBPCR1_REFCLKDIV_SHIFT) #define USBPCR1_REFCLKDIV_19_2 (0x3 << USBPCR1_REFCLKDIV_SHIFT) #define USBPCR1_REFCLKDIV_48 (0x2 << USBPCR1_REFCLKDIV_SHIFT) #define USBPCR1_REFCLKDIV_24 (0x1 << USBPCR1_REFCLKDIV_SHIFT) #define USBPCR1_REFCLKDIV_12 (0x0 << USBPCR1_REFCLKDIV_SHIFT) #define USBPCR1_USB_SEL BIT(28) #define USBPCR1_WORD_IF0 BIT(19) #define USBPCR1_WORD_IF1 BIT(18) /* bits within the USBRDT register */ #define USBRDT_VBFIL_LD_EN BIT(25) #define USBRDT_USBRDT_MASK 0x7fffff /* bits within the USBVBFIL register */ #define USBVBFIL_IDDIGFIL_SHIFT 16 #define USBVBFIL_IDDIGFIL_MASK (0xffff << USBVBFIL_IDDIGFIL_SHIFT) #define USBVBFIL_USBVBFIL_MASK (0xffff) /* bits within the LCR register */ #define LCR_PD_SCPU BIT(31) #define LCR_SCPUS BIT(27) /* bits within the CLKGR1 register */ #define CLKGR1_CORE1 BIT(15) static struct ingenic_cgu *cgu; static unsigned long jz4780_otg_phy_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { u32 usbpcr1; unsigned refclk_div; usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1); refclk_div = usbpcr1 & USBPCR1_REFCLKDIV_MASK; switch (refclk_div) { case USBPCR1_REFCLKDIV_12: return 12000000; case USBPCR1_REFCLKDIV_24: return 24000000; case USBPCR1_REFCLKDIV_48: return 48000000; case USBPCR1_REFCLKDIV_19_2: return 19200000; } return parent_rate; } static long jz4780_otg_phy_round_rate(struct clk_hw *hw, unsigned long req_rate, unsigned long *parent_rate) { if (req_rate < 15600000) return 12000000; if (req_rate < 21600000) return 19200000; if (req_rate < 36000000) return 24000000; return 48000000; } static int jz4780_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate, unsigned long parent_rate) { unsigned long flags; u32 usbpcr1, div_bits; switch (req_rate) { case 12000000: div_bits = USBPCR1_REFCLKDIV_12; break; case 19200000: div_bits = USBPCR1_REFCLKDIV_19_2; break; case 24000000: div_bits = USBPCR1_REFCLKDIV_24; break; case 48000000: div_bits = USBPCR1_REFCLKDIV_48; break; default: return -EINVAL; } spin_lock_irqsave(&cgu->lock, flags); usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1); usbpcr1 &= ~USBPCR1_REFCLKDIV_MASK; usbpcr1 |= div_bits; writel(usbpcr1, cgu->base + CGU_REG_USBPCR1); spin_unlock_irqrestore(&cgu->lock, flags); return 0; } static int jz4780_otg_phy_enable(struct clk_hw *hw) { void __iomem *reg_opcr = cgu->base + CGU_REG_OPCR; void __iomem *reg_usbpcr = cgu->base + CGU_REG_USBPCR; writel(readl(reg_opcr) | OPCR_SPENDN0, reg_opcr); writel(readl(reg_usbpcr) & ~USBPCR_OTG_DISABLE & ~USBPCR_SIDDQ, reg_usbpcr); return 0; } static void jz4780_otg_phy_disable(struct clk_hw *hw) { void __iomem *reg_opcr = cgu->base + CGU_REG_OPCR; void __iomem *reg_usbpcr = cgu->base + CGU_REG_USBPCR; writel(readl(reg_opcr) & ~OPCR_SPENDN0, reg_opcr); writel(readl(reg_usbpcr) | USBPCR_OTG_DISABLE | USBPCR_SIDDQ, reg_usbpcr); } static int jz4780_otg_phy_is_enabled(struct clk_hw *hw) { void __iomem *reg_opcr = cgu->base + CGU_REG_OPCR; void __iomem *reg_usbpcr = cgu->base + CGU_REG_USBPCR; return (readl(reg_opcr) & OPCR_SPENDN0) && !(readl(reg_usbpcr) & USBPCR_SIDDQ) && !(readl(reg_usbpcr) & USBPCR_OTG_DISABLE); } static const struct clk_ops jz4780_otg_phy_ops = { .recalc_rate = jz4780_otg_phy_recalc_rate, .round_rate = jz4780_otg_phy_round_rate, .set_rate = jz4780_otg_phy_set_rate, .enable = jz4780_otg_phy_enable, .disable = jz4780_otg_phy_disable, .is_enabled = jz4780_otg_phy_is_enabled, }; static int jz4780_core1_enable(struct clk_hw *hw) { struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw); struct ingenic_cgu *cgu = ingenic_clk->cgu; const unsigned int timeout = 5000; unsigned long flags; int retval; u32 lcr, clkgr1; spin_lock_irqsave(&cgu->lock, flags); lcr = readl(cgu->base + CGU_REG_LCR); lcr &= ~LCR_PD_SCPU; writel(lcr, cgu->base + CGU_REG_LCR); clkgr1 = readl(cgu->base + CGU_REG_CLKGR1); clkgr1 &= ~CLKGR1_CORE1; writel(clkgr1, cgu->base + CGU_REG_CLKGR1); spin_unlock_irqrestore(&cgu->lock, flags); /* wait for the CPU to be powered up */ retval = readl_poll_timeout(cgu->base + CGU_REG_LCR, lcr, !(lcr & LCR_SCPUS), 10, timeout); if (retval == -ETIMEDOUT) { pr_err("%s: Wait for power up core1 timeout\n", __func__); return retval; } return 0; } static const struct clk_ops jz4780_core1_ops = { .enable = jz4780_core1_enable, }; static const s8 pll_od_encoding[16] = { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, }; static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { /* External clocks */ [JZ4780_CLK_EXCLK] = { "ext", CGU_CLK_EXT }, [JZ4780_CLK_RTCLK] = { "rtc", CGU_CLK_EXT }, /* PLLs */ #define DEF_PLL(name) { \ .reg = CGU_REG_ ## name, \ .rate_multiplier = 1, \ .m_shift = 19, \ .m_bits = 13, \ .m_offset = 1, \ .n_shift = 13, \ .n_bits = 6, \ .n_offset = 1, \ .od_shift = 9, \ .od_bits = 4, \ .od_max = 16, \ .od_encoding = pll_od_encoding, \ .stable_bit = 6, \ .bypass_reg = CGU_REG_ ## name, \ .bypass_bit = 1, \ .enable_bit = 0, \ } [JZ4780_CLK_APLL] = { "apll", CGU_CLK_PLL, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .pll = DEF_PLL(APLL), }, [JZ4780_CLK_MPLL] = { "mpll", CGU_CLK_PLL, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .pll = DEF_PLL(MPLL), }, [JZ4780_CLK_EPLL] = { "epll", CGU_CLK_PLL, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .pll = DEF_PLL(EPLL), }, [JZ4780_CLK_VPLL] = { "vpll", CGU_CLK_PLL, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .pll = DEF_PLL(VPLL), }, #undef DEF_PLL /* Custom (SoC-specific) OTG PHY */ [JZ4780_CLK_OTGPHY] = { "otg_phy", CGU_CLK_CUSTOM, .parents = { -1, -1, JZ4780_CLK_EXCLK, -1 }, .custom = { &jz4780_otg_phy_ops }, }, /* Muxes & dividers */ [JZ4780_CLK_SCLKA] = { "sclk_a", CGU_CLK_MUX, .parents = { -1, JZ4780_CLK_APLL, JZ4780_CLK_EXCLK, JZ4780_CLK_RTCLK }, .mux = { CGU_REG_CLOCKCONTROL, 30, 2 }, }, [JZ4780_CLK_CPUMUX] = { "cpumux", CGU_CLK_MUX, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_CLOCKCONTROL, 28, 2 }, }, [JZ4780_CLK_CPU] = { "cpu", CGU_CLK_DIV, /* * Disabling the CPU clock or any parent clocks will hang the * system; mark it critical. */ .flags = CLK_IS_CRITICAL, .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 }, .div = { CGU_REG_CLOCKCONTROL, 0, 1, 4, 22, -1, -1 }, }, [JZ4780_CLK_L2CACHE] = { "l2cache", CGU_CLK_DIV, /* * The L2 cache clock is critical if caches are enabled and * disabling it or any parent clocks will hang the system. */ .flags = CLK_IS_CRITICAL, .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 }, .div = { CGU_REG_CLOCKCONTROL, 4, 1, 4, -1, -1, -1 }, }, [JZ4780_CLK_AHB0] = { "ahb0", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_CLOCKCONTROL, 26, 2 }, .div = { CGU_REG_CLOCKCONTROL, 8, 1, 4, 21, -1, -1 }, }, [JZ4780_CLK_AHB2PMUX] = { "ahb2_apb_mux", CGU_CLK_MUX, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_RTCLK }, .mux = { CGU_REG_CLOCKCONTROL, 24, 2 }, }, [JZ4780_CLK_AHB2] = { "ahb2", CGU_CLK_DIV, .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 }, .div = { CGU_REG_CLOCKCONTROL, 12, 1, 4, 20, -1, -1 }, }, [JZ4780_CLK_PCLK] = { "pclk", CGU_CLK_DIV, .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 }, .div = { CGU_REG_CLOCKCONTROL, 16, 1, 4, 20, -1, -1 }, }, [JZ4780_CLK_DDR] = { "ddr", CGU_CLK_MUX | CGU_CLK_DIV, /* * Disabling DDR clock or its parents will render DRAM * inaccessible; mark it critical. */ .flags = CLK_IS_CRITICAL, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 }, .mux = { CGU_REG_DDRCDR, 30, 2 }, .div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 }, }, [JZ4780_CLK_VPU] = { "vpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, -1 }, .mux = { CGU_REG_VPUCDR, 30, 2 }, .div = { CGU_REG_VPUCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR1, 2 }, }, [JZ4780_CLK_I2SPLL] = { "i2s_pll", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_EPLL, -1, -1 }, .mux = { CGU_REG_I2SCDR, 30, 1 }, .div = { CGU_REG_I2SCDR, 0, 1, 8, 29, 28, 27 }, }, [JZ4780_CLK_I2S] = { "i2s", CGU_CLK_MUX, .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_I2SPLL, -1, -1 }, .mux = { CGU_REG_I2SCDR, 31, 1 }, }, [JZ4780_CLK_LCD0PIXCLK] = { "lcd0pixclk", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_LP0CDR, 30, 2 }, .div = { CGU_REG_LP0CDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_LCD1PIXCLK] = { "lcd1pixclk", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_LP1CDR, 30, 2 }, .div = { CGU_REG_LP1CDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_MSCMUX] = { "msc_mux", CGU_CLK_MUX, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 }, .mux = { CGU_REG_MSC0CDR, 30, 2 }, }, [JZ4780_CLK_MSC0] = { "msc0", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, .div = { CGU_REG_MSC0CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 3 }, }, [JZ4780_CLK_MSC1] = { "msc1", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, .div = { CGU_REG_MSC1CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 11 }, }, [JZ4780_CLK_MSC2] = { "msc2", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, .div = { CGU_REG_MSC2CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 12 }, }, [JZ4780_CLK_UHC] = { "uhc", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, JZ4780_CLK_OTGPHY }, .mux = { CGU_REG_UHCCDR, 30, 2 }, .div = { CGU_REG_UHCCDR, 0, 1, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 24 }, }, [JZ4780_CLK_SSIPLL] = { "ssi_pll", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 }, .mux = { CGU_REG_SSICDR, 30, 1 }, .div = { CGU_REG_SSICDR, 0, 1, 8, 29, 28, 27 }, }, [JZ4780_CLK_SSI] = { "ssi", CGU_CLK_MUX, .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_SSIPLL, -1, -1 }, .mux = { CGU_REG_SSICDR, 31, 1 }, }, [JZ4780_CLK_CIMMCLK] = { "cim_mclk", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 }, .mux = { CGU_REG_CIMCDR, 31, 1 }, .div = { CGU_REG_CIMCDR, 0, 1, 8, 30, 29, 28 }, }, [JZ4780_CLK_PCMPLL] = { "pcm_pll", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, JZ4780_CLK_VPLL }, .mux = { CGU_REG_PCMCDR, 29, 2 }, .div = { CGU_REG_PCMCDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_PCM] = { "pcm", CGU_CLK_MUX | CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_PCMPLL, -1, -1 }, .mux = { CGU_REG_PCMCDR, 31, 1 }, .gate = { CGU_REG_CLKGR1, 3 }, }, [JZ4780_CLK_GPU] = { "gpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_GPUCDR, 30, 2 }, .div = { CGU_REG_GPUCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR1, 4 }, }, [JZ4780_CLK_HDMI] = { "hdmi", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_HDMICDR, 30, 2 }, .div = { CGU_REG_HDMICDR, 0, 1, 8, 29, 28, 26 }, .gate = { CGU_REG_CLKGR1, 9 }, }, [JZ4780_CLK_BCH] = { "bch", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_BCHCDR, 30, 2 }, .div = { CGU_REG_BCHCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 1 }, }, [JZ4780_CLK_EXCLK_DIV512] = { "exclk_div512", CGU_CLK_FIXDIV, .parents = { JZ4780_CLK_EXCLK }, .fixdiv = { 512 }, }, [JZ4780_CLK_RTC] = { "rtc_ercs", CGU_CLK_MUX | CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK_DIV512, JZ4780_CLK_RTCLK }, .mux = { CGU_REG_OPCR, 2, 1}, }, /* Gate-only clocks */ [JZ4780_CLK_NEMC] = { "nemc", CGU_CLK_GATE, .parents = { JZ4780_CLK_AHB2, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 0 }, }, [JZ4780_CLK_OTG0] = { "otg0", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 2 }, }, [JZ4780_CLK_SSI0] = { "ssi0", CGU_CLK_GATE, .parents = { JZ4780_CLK_SSI, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 4 }, }, [JZ4780_CLK_SMB0] = { "smb0", CGU_CLK_GATE, .parents = { JZ4780_CLK_PCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 5 }, }, [JZ4780_CLK_SMB1] = { "smb1", CGU_CLK_GATE, .parents = { JZ4780_CLK_PCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 6 }, }, [JZ4780_CLK_SCC] = { "scc", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 7 }, }, [JZ4780_CLK_AIC] = { "aic", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 8 }, }, [JZ4780_CLK_TSSI0] = { "tssi0", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 9 }, }, [JZ4780_CLK_OWI] = { "owi", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 10 }, }, [JZ4780_CLK_KBC] = { "kbc", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 13 }, }, [JZ4780_CLK_SADC] = { "sadc", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 14 }, }, [JZ4780_CLK_UART0] = { "uart0", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 15 }, }, [JZ4780_CLK_UART1] = { "uart1", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 16 }, }, [JZ4780_CLK_UART2] = { "uart2", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 17 }, }, [JZ4780_CLK_UART3] = { "uart3", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 18 }, }, [JZ4780_CLK_SSI1] = { "ssi1", CGU_CLK_GATE, .parents = { JZ4780_CLK_SSI, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 19 }, }, [JZ4780_CLK_SSI2] = { "ssi2", CGU_CLK_GATE, .parents = { JZ4780_CLK_SSI, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 20 }, }, [JZ4780_CLK_PDMA] = { "pdma", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 21 }, }, [JZ4780_CLK_GPS] = { "gps", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 22 }, }, [JZ4780_CLK_MAC] = { "mac", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 23 }, }, [JZ4780_CLK_SMB2] = { "smb2", CGU_CLK_GATE, .parents = { JZ4780_CLK_PCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 24 }, }, [JZ4780_CLK_CIM] = { "cim", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 26 }, }, [JZ4780_CLK_LCD] = { "lcd", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 28 }, }, [JZ4780_CLK_TVE] = { "tve", CGU_CLK_GATE, .parents = { JZ4780_CLK_LCD, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 27 }, }, [JZ4780_CLK_IPU] = { "ipu", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 29 }, }, [JZ4780_CLK_DDR0] = { "ddr0", CGU_CLK_GATE, .parents = { JZ4780_CLK_DDR, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 30 }, }, [JZ4780_CLK_DDR1] = { "ddr1", CGU_CLK_GATE, .parents = { JZ4780_CLK_DDR, -1, -1, -1 }, .gate = { CGU_REG_CLKGR0, 31 }, }, [JZ4780_CLK_SMB3] = { "smb3", CGU_CLK_GATE, .parents = { JZ4780_CLK_PCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 0 }, }, [JZ4780_CLK_TSSI1] = { "tssi1", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 1 }, }, [JZ4780_CLK_COMPRESS] = { "compress", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 5 }, }, [JZ4780_CLK_AIC1] = { "aic1", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 6 }, }, [JZ4780_CLK_GPVLC] = { "gpvlc", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 7 }, }, [JZ4780_CLK_OTG1] = { "otg1", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 8 }, }, [JZ4780_CLK_UART4] = { "uart4", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 10 }, }, [JZ4780_CLK_AHBMON] = { "ahb_mon", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 11 }, }, [JZ4780_CLK_SMB4] = { "smb4", CGU_CLK_GATE, .parents = { JZ4780_CLK_PCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 12 }, }, [JZ4780_CLK_DES] = { "des", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 13 }, }, [JZ4780_CLK_X2D] = { "x2d", CGU_CLK_GATE, .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 }, .gate = { CGU_REG_CLKGR1, 14 }, }, [JZ4780_CLK_CORE1] = { "core1", CGU_CLK_CUSTOM, .parents = { JZ4780_CLK_CPU, -1, -1, -1 }, .custom = { &jz4780_core1_ops }, }, }; static void __init jz4780_cgu_init(struct device_node *np) { int retval; cgu = ingenic_cgu_new(jz4780_cgu_clocks, ARRAY_SIZE(jz4780_cgu_clocks), np); if (!cgu) { pr_err("%s: failed to initialise CGU\n", __func__); return; } retval = ingenic_cgu_register_clocks(cgu); if (retval) { pr_err("%s: failed to register CGU Clocks\n", __func__); return; } ingenic_cgu_register_syscore_ops(cgu); } CLK_OF_DECLARE_DRIVER(jz4780_cgu, "ingenic,jz4780-cgu", jz4780_cgu_init);