// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2021 NXP */ #include #include #include #include #include #include #include #include #define cgc_clk_TYPES 2 #define cgc_clk_NUM 8 static enum cgc_clk pcc1_clksrc[][8] = { { }, { DUMMY0_CLK, LPOSC, SOSC_DIV2, FRO_DIV2, CM33_BUSCLK, PLL1_VCO_DIV, PLL0_PFD2_DIV, PLL0_PFD1_DIV, } }; static enum cgc_clk pcc3_clksrc[][8] = { { }, { DUMMY0_CLK, LPOSC, SOSC_DIV2, FRO_DIV2, XBAR_BUSCLK, PLL3_PFD1_DIV1, PLL3_PFD0_DIV2, PLL3_PFD0_DIV1 } }; static enum cgc_clk pcc4_clksrc[][8] = { { DUMMY0_CLK, SOSC_DIV1, FRO_DIV1, PLL3_PFD3_DIV2, PLL3_PFD3_DIV1, PLL3_PFD2_DIV2, PLL3_PFD2_DIV1, PLL3_PFD1_DIV2 }, { DUMMY0_CLK, DUMMY1_CLK, LPOSC, SOSC_DIV2, FRO_DIV2, XBAR_BUSCLK, PLL3_VCODIV, PLL3_PFD0_DIV1 } }; static enum cgc_clk pcc5_clksrc[][8] = { { DUMMY0_CLK, PLL4_PFD3_DIV2, PLL4_PFD2_DIV2, PLL4_PFD2_DIV1, PLL4_PFD1_DIV2, PLL4_PFD1_DIV1, PLL4_PFD0_DIV2, PLL4_PFD0_DIV1 }, { DUMMY0_CLK, DUMMY1_CLK, LPOSC, SOSC_DIV2, FRO_DIV2, LPAV_BUSCLK, PLL4_VCODIV, PLL4_PFD3_DIV1 } }; static struct pcc_entry pcc1_arrays[] = { {PCC1_RBASE, ADC1_PCC1_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV, PCC_HAS_RST_B}, {} }; static struct pcc_entry pcc3_arrays[] = { {PCC3_RBASE, DMA1_MP_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH0_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH1_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH2_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH3_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH4_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH5_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH6_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH7_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH8_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH9_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH10_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH11_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH12_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH13_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH14_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH15_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH16_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH17_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH18_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH19_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH20_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH21_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH22_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH23_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH24_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH25_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH26_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH27_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH28_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH29_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH30_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, DMA1_CH31_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, MU0_B_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, MU3_A_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, LLWU1_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, UPOWER_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, WDOG3_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, WDOG4_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, XRDC_MGR_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, SEMA42_1_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, ROMCP1_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B}, {PCC3_RBASE, LPIT1_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, TPM4_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, TPM5_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, FLEXIO1_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, I3C2_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPI2C4_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPI2C5_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPUART4_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPUART5_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPSPI4_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {PCC3_RBASE, LPSPI5_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B}, {} }; static struct pcc_entry pcc4_arrays[] = { {PCC4_RBASE, FLEXSPI2_PCC4_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, TPM6_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, TPM7_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, LPI2C6_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, LPI2C7_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, LPUART6_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, LPUART7_PCC4_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, SAI4_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, SAI5_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, PCTLE_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC4_RBASE, PCTLF_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC4_RBASE, SDHC0_PCC4_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, SDHC1_PCC4_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, SDHC2_PCC4_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, USB0_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, USBPHY_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, USB1_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, USB1PHY_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, USB_XBAR_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC4_RBASE, ENET_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC4_RBASE, SFA1_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC4_RBASE, RGPIOE_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC4_RBASE, RGPIOF_PCC4_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {} }; static struct pcc_entry pcc5_arrays[] = { {PCC5_RBASE, DMA2_MP_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH0_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH1_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH2_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH3_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH4_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH5_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH6_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH7_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH8_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH9_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH10_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH11_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH12_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH13_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH14_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH15_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH16_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH17_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH18_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH19_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH20_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH21_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH22_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH23_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH24_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH25_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH26_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH27_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH28_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH29_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH30_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, DMA2_CH31_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, MU2_B_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, MU3_B_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, SEMA42_2_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, CMC2_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, AVD_SIM_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, LPAV_CGC_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, PCC5_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, TPM8_PCC5_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, SAI6_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, SAI7_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, SPDIF_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, ISI_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, CSI_REGS_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, CSI_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, DSI_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, WDOG5_PCC5_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, EPDC_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, PXP_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, SFA2_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {PCC5_RBASE, GPU2D_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, GPU3D_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, DCNANO_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, LPDDR4_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_HAS_RST_B }, {PCC5_RBASE, CSI_CLK_UI_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_NO_RST_B }, {PCC5_RBASE, CSI_CLK_ESC_PCC5_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV, PCC_NO_RST_B }, {PCC5_RBASE, RGPIOD_PCC5_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV, PCC_NO_RST_B }, {} }; static int find_pcc_entry(int pcc_controller, int pcc_clk_slot, struct pcc_entry **out) { struct pcc_entry *pcc_array; int index = 0; switch (pcc_controller) { case 1: pcc_array = pcc1_arrays; *out = &pcc1_arrays[0]; break; case 3: pcc_array = pcc3_arrays; *out = &pcc3_arrays[0]; break; case 4: pcc_array = pcc4_arrays; *out = &pcc4_arrays[0]; break; case 5: pcc_array = pcc5_arrays; *out = &pcc5_arrays[0]; break; default: printf("Not supported pcc_controller: %d\n", pcc_controller); return -EINVAL; } while (pcc_array->pcc_base) { if (pcc_array->pcc_slot == pcc_clk_slot) return index; pcc_array++; index++; } return -ENOENT; } int pcc_clock_enable(int pcc_controller, int pcc_clk_slot, bool enable) { u32 val; void __iomem *reg; int clk; struct pcc_entry *pcc_array; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); val = readl(reg); debug("%s: clk %d, reg 0x%p, val 0x%x, enable %d\n", __func__, clk, reg, val, enable); if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK)) return -EPERM; if (enable) val |= PCC_CGC_MASK; else val &= ~PCC_CGC_MASK; writel(val, reg); debug("%s: val 0x%x\n", __func__, val); return 0; } /* The clock source select needs clock is disabled */ int pcc_clock_sel(int pcc_controller, int pcc_clk_slot, enum cgc_clk src) { u32 val, i, clksrc_type; void __iomem *reg; struct pcc_entry *pcc_array; enum cgc_clk *cgc_clk_array; int clk; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); clksrc_type = pcc_array[clk].clksrc; if (clksrc_type >= CLKSRC_NO_PCS) { printf("No PCS field for the PCC %d, clksrc type %d\n", clk, clksrc_type); return -EPERM; } if (pcc_controller == 1) cgc_clk_array = pcc1_clksrc[clksrc_type]; else if (pcc_controller == 3) cgc_clk_array = pcc3_clksrc[clksrc_type]; else if (pcc_controller == 4) cgc_clk_array = pcc4_clksrc[clksrc_type]; else cgc_clk_array = pcc5_clksrc[clksrc_type]; for (i = 0; i < cgc_clk_NUM; i++) { if (cgc_clk_array[i] == src) { /* Find the clock src, then set it to PCS */ break; } } if (i == cgc_clk_NUM) { printf("No parent in PCS of PCC %d, invalid scg_clk %d\n", clk, src); return -EINVAL; } val = readl(reg); debug("%s: clk %d, reg 0x%p, val 0x%x, clksrc_type %d\n", __func__, clk, reg, val, clksrc_type); if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK) || (val & PCC_CGC_MASK)) { printf("Not permit to select clock source val = 0x%x\n", val); return -EPERM; } val &= ~PCC_PCS_MASK; val |= i << PCC_PCS_OFFSET; writel(val, reg); debug("%s: val 0x%x\n", __func__, val); return 0; } int pcc_clock_div_config(int pcc_controller, int pcc_clk_slot, bool frac, u8 div) { u32 val; void __iomem *reg; struct pcc_entry *pcc_array; int clk; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); if (div > 8 || (div == 1 && frac != 0)) return -EINVAL; if (pcc_array[clk].div >= PCC_NO_DIV) { printf("No DIV/FRAC field for the PCC %d\n", clk); return -EPERM; } val = readl(reg); if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK) || (val & PCC_CGC_MASK)) { printf("Not permit to set div/frac val = 0x%x\n", val); return -EPERM; } if (frac) val |= PCC_FRAC_MASK; else val &= ~PCC_FRAC_MASK; val &= ~PCC_PCD_MASK; val |= (div - 1) & PCC_PCD_MASK; writel(val, reg); return 0; } bool pcc_clock_is_enable(int pcc_controller, int pcc_clk_slot) { u32 val; void __iomem *reg; struct pcc_entry *pcc_array; int clk; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); val = readl(reg); if ((val & PCC_INUSE_MASK) || (val & PCC_CGC_MASK)) return true; return false; } int pcc_clock_get_clksrc(int pcc_controller, int pcc_clk_slot, enum cgc_clk *src) { u32 val, clksrc_type; void __iomem *reg; struct pcc_entry *pcc_array; int clk; enum cgc_clk *cgc_clk_array; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; clksrc_type = pcc_array[clk].clksrc; if (clksrc_type >= CLKSRC_NO_PCS) { printf("No PCS field for the PCC %d, clksrc type %d\n", pcc_clk_slot, clksrc_type); return -EPERM; } reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); val = readl(reg); debug("%s: clk %d, reg 0x%p, val 0x%x, type %d\n", __func__, pcc_clk_slot, reg, val, clksrc_type); if (!(val & PCC_PR_MASK)) { printf("This pcc slot is not present = 0x%x\n", val); return -EPERM; } val &= PCC_PCS_MASK; val = (val >> PCC_PCS_OFFSET); if (!val) { printf("Clock source is off\n"); return -EIO; } if (pcc_controller == 3) cgc_clk_array = pcc3_clksrc[clksrc_type]; else if (pcc_controller == 4) cgc_clk_array = pcc4_clksrc[clksrc_type]; else cgc_clk_array = pcc5_clksrc[clksrc_type]; *src = cgc_clk_array[val]; debug("%s: parent cgc1 clk %d\n", __func__, *src); return 0; } int pcc_reset_peripheral(int pcc_controller, int pcc_clk_slot, bool reset) { u32 val; void __iomem *reg; struct pcc_entry *pcc_array; int clk; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; if (pcc_array[clk].rst_b == PCC_NO_RST_B) return 0; reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); val = readl(reg); debug("%s: clk %d, reg 0x%p, val 0x%x\n", __func__, pcc_clk_slot, reg, val); if (!(val & PCC_PR_MASK)) { printf("This pcc slot is not present = 0x%x\n", val); return -EPERM; } if (reset) val &= ~BIT(28); else val |= BIT(28); writel(val, reg); debug("%s: clk %d, reg 0x%p, val 0x%x\n", __func__, pcc_clk_slot, reg, val); return 0; } u32 pcc_clock_get_rate(int pcc_controller, int pcc_clk_slot) { u32 val, rate, frac, div; void __iomem *reg; enum cgc_clk parent; int ret; int clk; struct pcc_entry *pcc_array; clk = find_pcc_entry(pcc_controller, pcc_clk_slot, &pcc_array); if (clk < 0) return -EINVAL; ret = pcc_clock_get_clksrc(pcc_controller, pcc_clk_slot, &parent); if (ret) return 0; rate = cgc_clk_get_rate(parent); debug("%s: parent rate %u\n", __func__, rate); if (pcc_array[clk].div == PCC_HAS_DIV) { reg = (void __iomem *)(uintptr_t)(pcc_array[clk].pcc_base + pcc_array[clk].pcc_slot * 4); val = readl(reg); frac = (val & PCC_FRAC_MASK) >> PCC_FRAC_OFFSET; div = (val & PCC_PCD_MASK) >> PCC_PCD_OFFSET; /* * Theoretically don't have overflow in the calc, * the rate won't exceed 2G */ rate = rate * (frac + 1) / (div + 1); } debug("%s: rate %u\n", __func__, rate); return rate; }