/* * The only way to disable the MMDC_CH1 clock is to move it to pll3_sw_clk * via periph2_clk2_sel and then to disable pll3_sw_clk by selecting the * bypass clock source, since there is no CG bit for mmdc_ch1.
*/ staticvoid mmdc_ch1_disable(void __iomem *ccm_base)
{ unsignedint reg;
/* * We have to follow a strict procedure when changing the LDB clock source, * otherwise we risk introducing a glitch that can lock up the LDB divider. * Things to keep in mind: * * 1. The current and new parent clock inputs to the mux must be disabled. * 2. The default clock input for ldb_di0/1_clk_sel is mmdc_ch1_axi, which * has no CG bit. * 3. pll2_pfd2_396m can not be gated if it is used as memory clock. * 4. In the RTL implementation of the LDB_DI_CLK_SEL muxes the top four * options are in one mux and the PLL3 option along with three unused * inputs is in a second mux. There is a third mux with two inputs used * to decide between the first and second 4-port mux: * * pll5_video_div 0 --|\ * pll2_pfd0_352m 1 --| |_ * pll2_pfd2_396m 2 --| | `-|\ * mmdc_ch1_axi 3 --|/ | | * | |-- * pll3_usb_otg 4 --|\ | | * 5 --| |_,-|/ * 6 --| | * 7 --|/ * * The ldb_di0/1_clk_sel[1:0] bits control both 4-port muxes at the same time. * The ldb_di0/1_clk_sel[2] bit controls the 2-port mux. The code below * switches the parent to the bottom mux first and then manipulates the top * mux to ensure that no glitch will enter the divider.
*/ staticvoid init_ldb_clks(struct device_node *np, void __iomem *ccm_base)
{ unsignedint reg; unsignedint sel[2][4]; int i;
for (i = 0; i < 2; i++) { /* Print a notice if a glitch might have been introduced already */ if (sel[i][0] != 3) {
pr_notice("ccm: possible glitch: ldb_di%d_sel already changed from reset value: %d\n",
i, sel[i][0]);
}
if (sel[i][0] == sel[i][3]) continue;
/* Only switch to or from pll2_pfd2_396m if it is disabled */ if ((sel[i][0] == 2 || sel[i][3] == 2) &&
(clk_get_parent(hws[IMX6QDL_CLK_PERIPH_PRE]->clk) ==
hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk)) {
pr_err("ccm: ldb_di%d_sel: couldn't disable pll2_pfd2_396m\n",
i);
sel[i][3] = sel[i][2] = sel[i][1] = sel[i][0]; continue;
}
/* First switch to the bottom mux */
sel[i][1] = sel[i][0] | 4;
/* Then configure the top mux before switching back to it */
sel[i][2] = sel[i][3] | 4;
pr_debug("ccm: switching ldb_di%d_sel: %d->%d->%d->%d\n", i,
sel[i][0], sel[i][1], sel[i][2], sel[i][3]);
}
if (sel[0][0] == sel[0][3] && sel[1][0] == sel[1][3]) return;
hws[IMX6QDL_CLK_PLL1_SYS] = imx_clk_hw_gate("pll1_sys", "pll1_bypass", base + 0x00, 13);
hws[IMX6QDL_CLK_PLL2_BUS] = imx_clk_hw_gate("pll2_bus", "pll2_bypass", base + 0x30, 13);
hws[IMX6QDL_CLK_PLL3_USB_OTG] = imx_clk_hw_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13);
hws[IMX6QDL_CLK_PLL4_AUDIO] = imx_clk_hw_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);
hws[IMX6QDL_CLK_PLL5_VIDEO] = imx_clk_hw_gate("pll5_video", "pll5_bypass", base + 0xa0, 13);
hws[IMX6QDL_CLK_PLL6_ENET] = imx_clk_hw_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13);
hws[IMX6QDL_CLK_PLL7_USB_HOST] = imx_clk_hw_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13);
/* * Bit 20 is the reserved and read-only bit, we do this only for: * - Do nothing for usbphy clk_enable/disable * - Keep refcount when do usbphy clk_enable/disable, in that case, * the clk framework may need to enable/disable usbphy's parent
*/
hws[IMX6QDL_CLK_USBPHY1] = imx_clk_hw_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20);
hws[IMX6QDL_CLK_USBPHY2] = imx_clk_hw_gate("usbphy2", "pll7_usb_host", base + 0x20, 20);
/* * usbphy*_gate needs to be on after system boots up, and software * never needs to control it anymore.
*/
hws[IMX6QDL_CLK_USBPHY1_GATE] = imx_clk_hw_gate("usbphy1_gate", "dummy", base + 0x10, 6);
hws[IMX6QDL_CLK_USBPHY2_GATE] = imx_clk_hw_gate("usbphy2_gate", "dummy", base + 0x20, 6);
/* * The ENET PLL is special in that is has multiple outputs with * different post-dividers that are all affected by the single bypass * bit, so a single mux bit affects 3 independent branches of the clock * tree. There is no good way to model this in the clock framework and * dynamically changing the bypass bit, will yield unexpected results. * So we treat any configuration that bypasses the ENET PLL as * essentially static with the divider ratios reflecting the bypass * status. *
*/ if (!pll6_bypassed(ccm_node)) {
hws[IMX6QDL_CLK_SATA_REF] = imx_clk_hw_fixed_factor("sata_ref", "pll6_enet", 1, 5);
hws[IMX6QDL_CLK_PCIE_REF] = imx_clk_hw_fixed_factor("pcie_ref", "pll6_enet", 1, 4);
hws[IMX6QDL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet_ref", "pll6_enet", 0,
base + 0xe0, 0, 2, 0, clk_enet_ref_table,
&imx_ccm_lock);
} else {
hws[IMX6QDL_CLK_SATA_REF] = imx_clk_hw_fixed_factor("sata_ref", "pll6_enet", 1, 1);
hws[IMX6QDL_CLK_PCIE_REF] = imx_clk_hw_fixed_factor("pcie_ref", "pll6_enet", 1, 1);
hws[IMX6QDL_CLK_ENET_REF] = imx_clk_hw_fixed_factor("enet_ref", "pll6_enet", 1, 1);
}
hws[IMX6QDL_CLK_SATA_REF_100M] = imx_clk_hw_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20);
hws[IMX6QDL_CLK_PCIE_REF_125M] = imx_clk_hw_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19);
hws[IMX6QDL_CLK_LVDS1_SEL] = imx_clk_hw_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
hws[IMX6QDL_CLK_LVDS2_SEL] = imx_clk_hw_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
/* * lvds1_gate and lvds2_gate are pseudo-gates. Both can be * independently configured as clock inputs or outputs. We treat * the "output_enable" bit as a gate, even though it's really just * enabling clock output. Initially the gate bits are cleared, as * otherwise the exclusive configuration gets locked in the setup done * by software running before the clock driver, with no way to change * it.
*/
writel(readl(base + 0x160) & ~0x3c00, base + 0x160);
hws[IMX6QDL_CLK_LVDS1_GATE] = imx_clk_hw_gate_exclusive("lvds1_gate", "lvds1_sel", base + 0x160, 10, BIT(12));
hws[IMX6QDL_CLK_LVDS2_GATE] = imx_clk_hw_gate_exclusive("lvds2_gate", "lvds2_sel", base + 0x160, 11, BIT(13));
hws[IMX6QDL_CLK_LVDS1_IN] = imx_clk_hw_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10));
hws[IMX6QDL_CLK_LVDS2_IN] = imx_clk_hw_gate_exclusive("lvds2_in", "anaclk2", base + 0x160, 13, BIT(11));
/* name parent_name reg idx */
hws[IMX6QDL_CLK_PLL2_PFD0_352M] = imx_clk_hw_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
hws[IMX6QDL_CLK_PLL2_PFD1_594M] = imx_clk_hw_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
hws[IMX6QDL_CLK_PLL2_PFD2_396M] = imx_clk_hw_pfd("pll2_pfd2_396m", "pll2_bus", base + 0x100, 2);
hws[IMX6QDL_CLK_PLL3_PFD0_720M] = imx_clk_hw_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0, 0);
hws[IMX6QDL_CLK_PLL3_PFD1_540M] = imx_clk_hw_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0, 1);
hws[IMX6QDL_CLK_PLL3_PFD2_508M] = imx_clk_hw_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2);
hws[IMX6QDL_CLK_PLL3_PFD3_454M] = imx_clk_hw_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3);
np = ccm_node;
base = of_iomap(np, 0);
WARN_ON(!base);
/* name reg shift width parent_names num_parents */
hws[IMX6QDL_CLK_STEP] = imx_clk_hw_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
hws[IMX6QDL_CLK_PLL1_SW] = imx_clk_hw_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
hws[IMX6QDL_CLK_PERIPH_PRE] = imx_clk_hw_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
hws[IMX6QDL_CLK_PERIPH2_PRE] = imx_clk_hw_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
hws[IMX6QDL_CLK_PERIPH_CLK2_SEL] = imx_clk_hw_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
hws[IMX6QDL_CLK_PERIPH2_CLK2_SEL] = imx_clk_hw_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
hws[IMX6QDL_CLK_AXI_SEL] = imx_clk_hw_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels));
hws[IMX6QDL_CLK_ESAI_SEL] = imx_clk_hw_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels));
hws[IMX6QDL_CLK_ASRC_SEL] = imx_clk_hw_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels));
hws[IMX6QDL_CLK_SPDIF_SEL] = imx_clk_hw_mux("spdif_sel", base + 0x30, 20, 2, audio_sels, ARRAY_SIZE(audio_sels)); if (clk_on_imx6q()) {
hws[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_hw_mux("gpu2d_axi", base + 0x18, 0, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels));
hws[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_hw_mux("gpu3d_axi", base + 0x18, 1, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels));
} if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_CAN_SEL] = imx_clk_hw_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels));
hws[IMX6QDL_CLK_ECSPI_SEL] = imx_clk_hw_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
hws[IMX6QDL_CLK_IPG_PER_SEL] = imx_clk_hw_mux("ipg_per_sel", base + 0x1c, 6, 1, ipg_per_sels, ARRAY_SIZE(ipg_per_sels));
hws[IMX6QDL_CLK_UART_SEL] = imx_clk_hw_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels_2, ARRAY_SIZE(gpu2d_core_sels_2));
} elseif (clk_on_imx6dl()) {
hws[IMX6QDL_CLK_MLB_SEL] = imx_clk_hw_mux("mlb_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels));
} else {
hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels));
}
hws[IMX6QDL_CLK_GPU3D_CORE_SEL] = imx_clk_hw_mux("gpu3d_core_sel", base + 0x18, 4, 2, gpu3d_core_sels, ARRAY_SIZE(gpu3d_core_sels)); if (clk_on_imx6dl())
hws[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_hw_mux("gpu2d_core_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels)); else
hws[IMX6QDL_CLK_GPU3D_SHADER_SEL] = imx_clk_hw_mux("gpu3d_shader_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels));
hws[IMX6QDL_CLK_IPU1_SEL] = imx_clk_hw_mux("ipu1_sel", base + 0x3c, 9, 2, ipu_sels, ARRAY_SIZE(ipu_sels));
hws[IMX6QDL_CLK_IPU2_SEL] = imx_clk_hw_mux("ipu2_sel", base + 0x3c, 14, 2, ipu_sels, ARRAY_SIZE(ipu_sels));
disable_anatop_clocks(anatop_base);
imx_mmdc_mask_handshake(base, 1);
if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_hw_mux_flags("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
hws[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_hw_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
} else { /* * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware * bug. Set the muxes to the requested values before registering the * ldb_di_sel clocks.
*/
init_ldb_clks(np, base);
if (clk_on_imx6dl())
hws[IMX6QDL_CLK_MLB_PODF] = imx_clk_hw_divider("mlb_podf", "mlb_sel", base + 0x18, 23, 3); else
hws[IMX6QDL_CLK_GPU2D_CORE_PODF] = imx_clk_hw_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 23, 3);
hws[IMX6QDL_CLK_GPU3D_CORE_PODF] = imx_clk_hw_divider("gpu3d_core_podf", "gpu3d_core_sel", base + 0x18, 26, 3); if (clk_on_imx6dl())
hws[IMX6QDL_CLK_GPU2D_CORE_PODF] = imx_clk_hw_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 29, 3); else
hws[IMX6QDL_CLK_GPU3D_SHADER] = imx_clk_hw_divider("gpu3d_shader", "gpu3d_shader_sel", base + 0x18, 29, 3);
hws[IMX6QDL_CLK_IPU1_PODF] = imx_clk_hw_divider("ipu1_podf", "ipu1_sel", base + 0x3c, 11, 3);
hws[IMX6QDL_CLK_IPU2_PODF] = imx_clk_hw_divider("ipu2_podf", "ipu2_sel", base + 0x3c, 16, 3);
hws[IMX6QDL_CLK_LDB_DI0_PODF] = imx_clk_hw_divider_flags("ldb_di0_podf", "ldb_di0_div_3_5", base + 0x20, 10, 1, 0);
hws[IMX6QDL_CLK_LDB_DI1_PODF] = imx_clk_hw_divider_flags("ldb_di1_podf", "ldb_di1_div_3_5", base + 0x20, 11, 1, 0);
hws[IMX6QDL_CLK_IPU1_DI0_PRE] = imx_clk_hw_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base + 0x34, 3, 3);
hws[IMX6QDL_CLK_IPU1_DI1_PRE] = imx_clk_hw_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base + 0x34, 12, 3);
hws[IMX6QDL_CLK_IPU2_DI0_PRE] = imx_clk_hw_divider("ipu2_di0_pre", "ipu2_di0_pre_sel", base + 0x38, 3, 3);
hws[IMX6QDL_CLK_IPU2_DI1_PRE] = imx_clk_hw_divider("ipu2_di1_pre", "ipu2_di1_pre_sel", base + 0x38, 12, 3);
hws[IMX6QDL_CLK_HSI_TX_PODF] = imx_clk_hw_divider("hsi_tx_podf", "hsi_tx_sel", base + 0x30, 29, 3);
hws[IMX6QDL_CLK_SSI1_PRED] = imx_clk_hw_divider("ssi1_pred", "ssi1_sel", base + 0x28, 6, 3);
hws[IMX6QDL_CLK_SSI1_PODF] = imx_clk_hw_divider("ssi1_podf", "ssi1_pred", base + 0x28, 0, 6);
hws[IMX6QDL_CLK_SSI2_PRED] = imx_clk_hw_divider("ssi2_pred", "ssi2_sel", base + 0x2c, 6, 3);
hws[IMX6QDL_CLK_SSI2_PODF] = imx_clk_hw_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6);
hws[IMX6QDL_CLK_SSI3_PRED] = imx_clk_hw_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3);
hws[IMX6QDL_CLK_SSI3_PODF] = imx_clk_hw_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6);
hws[IMX6QDL_CLK_USDHC1_PODF] = imx_clk_hw_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3);
hws[IMX6QDL_CLK_USDHC2_PODF] = imx_clk_hw_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3);
hws[IMX6QDL_CLK_USDHC3_PODF] = imx_clk_hw_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3);
hws[IMX6QDL_CLK_USDHC4_PODF] = imx_clk_hw_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
hws[IMX6QDL_CLK_ENFC_PRED] = imx_clk_hw_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3);
hws[IMX6QDL_CLK_ENFC_PODF] = imx_clk_hw_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_EIM_PODF] = imx_clk_hw_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3);
hws[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_hw_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3);
} else {
hws[IMX6QDL_CLK_EIM_PODF] = imx_clk_hw_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
hws[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_hw_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
}
hws[IMX6QDL_CLK_VPU_AXI_PODF] = imx_clk_hw_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3);
hws[IMX6QDL_CLK_CKO1_PODF] = imx_clk_hw_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3);
hws[IMX6QDL_CLK_CKO2_PODF] = imx_clk_hw_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3);
/* name parent_name reg shift width busy: reg, shift */
hws[IMX6QDL_CLK_AXI] = imx_clk_hw_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0);
hws[IMX6QDL_CLK_MMDC_CH0_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch0_axi_podf", "periph", base + 0x14, 19, 3, base + 0x48, 4); if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_MMDC_CH1_AXI_CG] = imx_clk_hw_gate("mmdc_ch1_axi_cg", "periph2", base + 0x4, 18);
hws[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch1_axi_podf", "mmdc_ch1_axi_cg", base + 0x14, 3, 3, base + 0x48, 2);
} else {
hws[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_hw_busy_divider("mmdc_ch1_axi_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2);
}
hws[IMX6QDL_CLK_ARM] = imx_clk_hw_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);
hws[IMX6QDL_CLK_AHB] = imx_clk_hw_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
/* name parent_name reg shift */
hws[IMX6QDL_CLK_APBH_DMA] = imx_clk_hw_gate2("apbh_dma", "usdhc3", base + 0x68, 4);
hws[IMX6QDL_CLK_ASRC] = imx_clk_hw_gate2_shared("asrc", "asrc_podf", base + 0x68, 6, &share_count_asrc);
hws[IMX6QDL_CLK_ASRC_IPG] = imx_clk_hw_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc);
hws[IMX6QDL_CLK_ASRC_MEM] = imx_clk_hw_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc);
hws[IMX6QDL_CLK_CAAM_MEM] = imx_clk_hw_gate2("caam_mem", "ahb", base + 0x68, 8);
hws[IMX6QDL_CLK_CAAM_ACLK] = imx_clk_hw_gate2("caam_aclk", "ahb", base + 0x68, 10);
hws[IMX6QDL_CLK_CAAM_IPG] = imx_clk_hw_gate2("caam_ipg", "ipg", base + 0x68, 12);
hws[IMX6QDL_CLK_CAN1_IPG] = imx_clk_hw_gate2("can1_ipg", "ipg", base + 0x68, 14);
hws[IMX6QDL_CLK_CAN1_SERIAL] = imx_clk_hw_gate2("can1_serial", "can_root", base + 0x68, 16);
hws[IMX6QDL_CLK_CAN2_IPG] = imx_clk_hw_gate2("can2_ipg", "ipg", base + 0x68, 18);
hws[IMX6QDL_CLK_CAN2_SERIAL] = imx_clk_hw_gate2("can2_serial", "can_root", base + 0x68, 20);
hws[IMX6QDL_CLK_DCIC1] = imx_clk_hw_gate2("dcic1", "ipu1_podf", base + 0x68, 24);
hws[IMX6QDL_CLK_DCIC2] = imx_clk_hw_gate2("dcic2", "ipu2_podf", base + 0x68, 26);
hws[IMX6QDL_CLK_ECSPI1] = imx_clk_hw_gate2("ecspi1", "ecspi_root", base + 0x6c, 0);
hws[IMX6QDL_CLK_ECSPI2] = imx_clk_hw_gate2("ecspi2", "ecspi_root", base + 0x6c, 2);
hws[IMX6QDL_CLK_ECSPI3] = imx_clk_hw_gate2("ecspi3", "ecspi_root", base + 0x6c, 4);
hws[IMX6QDL_CLK_ECSPI4] = imx_clk_hw_gate2("ecspi4", "ecspi_root", base + 0x6c, 6); if (clk_on_imx6dl())
hws[IMX6DL_CLK_I2C4] = imx_clk_hw_gate2("i2c4", "ipg_per", base + 0x6c, 8); else
hws[IMX6Q_CLK_ECSPI5] = imx_clk_hw_gate2("ecspi5", "ecspi_root", base + 0x6c, 8);
hws[IMX6QDL_CLK_ENET] = imx_clk_hw_gate2("enet", "ipg", base + 0x6c, 10);
hws[IMX6QDL_CLK_EPIT1] = imx_clk_hw_gate2("epit1", "ipg", base + 0x6c, 12);
hws[IMX6QDL_CLK_EPIT2] = imx_clk_hw_gate2("epit2", "ipg", base + 0x6c, 14);
hws[IMX6QDL_CLK_ESAI_EXTAL] = imx_clk_hw_gate2_shared("esai_extal", "esai_podf", base + 0x6c, 16, &share_count_esai);
hws[IMX6QDL_CLK_ESAI_IPG] = imx_clk_hw_gate2_shared("esai_ipg", "ahb", base + 0x6c, 16, &share_count_esai);
hws[IMX6QDL_CLK_ESAI_MEM] = imx_clk_hw_gate2_shared("esai_mem", "ahb", base + 0x6c, 16, &share_count_esai);
hws[IMX6QDL_CLK_GPT_IPG] = imx_clk_hw_gate2("gpt_ipg", "ipg", base + 0x6c, 20);
hws[IMX6QDL_CLK_GPT_IPG_PER] = imx_clk_hw_gate2("gpt_ipg_per", "ipg_per", base + 0x6c, 22);
hws[IMX6QDL_CLK_GPU2D_CORE] = imx_clk_hw_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24);
hws[IMX6QDL_CLK_GPU3D_CORE] = imx_clk_hw_gate2("gpu3d_core", "gpu3d_core_podf", base + 0x6c, 26);
hws[IMX6QDL_CLK_HDMI_IAHB] = imx_clk_hw_gate2("hdmi_iahb", "ahb", base + 0x70, 0);
hws[IMX6QDL_CLK_HDMI_ISFR] = imx_clk_hw_gate2("hdmi_isfr", "mipi_core_cfg", base + 0x70, 4);
hws[IMX6QDL_CLK_I2C1] = imx_clk_hw_gate2("i2c1", "ipg_per", base + 0x70, 6);
hws[IMX6QDL_CLK_I2C2] = imx_clk_hw_gate2("i2c2", "ipg_per", base + 0x70, 8);
hws[IMX6QDL_CLK_I2C3] = imx_clk_hw_gate2("i2c3", "ipg_per", base + 0x70, 10);
hws[IMX6QDL_CLK_IIM] = imx_clk_hw_gate2("iim", "ipg", base + 0x70, 12);
hws[IMX6QDL_CLK_ENFC] = imx_clk_hw_gate2("enfc", "enfc_podf", base + 0x70, 14);
hws[IMX6QDL_CLK_VDOA] = imx_clk_hw_gate2("vdoa", "vdo_axi", base + 0x70, 26);
hws[IMX6QDL_CLK_IPU1] = imx_clk_hw_gate2("ipu1", "ipu1_podf", base + 0x74, 0);
hws[IMX6QDL_CLK_IPU1_DI0] = imx_clk_hw_gate2("ipu1_di0", "ipu1_di0_sel", base + 0x74, 2);
hws[IMX6QDL_CLK_IPU1_DI1] = imx_clk_hw_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4);
hws[IMX6QDL_CLK_IPU2] = imx_clk_hw_gate2("ipu2", "ipu2_podf", base + 0x74, 6);
hws[IMX6QDL_CLK_IPU2_DI0] = imx_clk_hw_gate2("ipu2_di0", "ipu2_di0_sel", base + 0x74, 8); if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_LDB_DI0] = imx_clk_hw_gate2("ldb_di0", "ldb_di0_sel", base + 0x74, 12);
hws[IMX6QDL_CLK_LDB_DI1] = imx_clk_hw_gate2("ldb_di1", "ldb_di1_sel", base + 0x74, 14);
} else {
hws[IMX6QDL_CLK_LDB_DI0] = imx_clk_hw_gate2("ldb_di0", "ldb_di0_podf", base + 0x74, 12);
hws[IMX6QDL_CLK_LDB_DI1] = imx_clk_hw_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14);
}
hws[IMX6QDL_CLK_IPU2_DI1] = imx_clk_hw_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10);
hws[IMX6QDL_CLK_HSI_TX] = imx_clk_hw_gate2_shared("hsi_tx", "hsi_tx_podf", base + 0x74, 16, &share_count_mipi_core_cfg);
hws[IMX6QDL_CLK_MIPI_CORE_CFG] = imx_clk_hw_gate2_shared("mipi_core_cfg", "video_27m", base + 0x74, 16, &share_count_mipi_core_cfg);
hws[IMX6QDL_CLK_MIPI_IPG] = imx_clk_hw_gate2_shared("mipi_ipg", "ipg", base + 0x74, 16, &share_count_mipi_core_cfg);
if (clk_on_imx6dl()) /* * The multiplexer and divider of the imx6q clock gpu2d get * redefined/reused as mlb_sys_sel and mlb_sys_clk_podf on imx6dl.
*/
hws[IMX6QDL_CLK_MLB] = imx_clk_hw_gate2("mlb", "mlb_podf", base + 0x74, 18); else
hws[IMX6QDL_CLK_MLB] = imx_clk_hw_gate2("mlb", "axi", base + 0x74, 18);
hws[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_hw_gate2_flags("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20, CLK_IS_CRITICAL);
hws[IMX6QDL_CLK_MMDC_CH1_AXI] = imx_clk_hw_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22);
hws[IMX6QDL_CLK_MMDC_P0_IPG] = imx_clk_hw_gate2_flags("mmdc_p0_ipg", "ipg", base + 0x74, 24, CLK_IS_CRITICAL);
hws[IMX6QDL_CLK_OCRAM] = imx_clk_hw_gate2("ocram", "ahb", base + 0x74, 28);
hws[IMX6QDL_CLK_OPENVG_AXI] = imx_clk_hw_gate2("openvg_axi", "axi", base + 0x74, 30);
hws[IMX6QDL_CLK_PCIE_AXI] = imx_clk_hw_gate2("pcie_axi", "pcie_axi_sel", base + 0x78, 0);
hws[IMX6QDL_CLK_PER1_BCH] = imx_clk_hw_gate2("per1_bch", "usdhc3", base + 0x78, 12);
hws[IMX6QDL_CLK_PWM1] = imx_clk_hw_gate2("pwm1", "ipg_per", base + 0x78, 16);
hws[IMX6QDL_CLK_PWM2] = imx_clk_hw_gate2("pwm2", "ipg_per", base + 0x78, 18);
hws[IMX6QDL_CLK_PWM3] = imx_clk_hw_gate2("pwm3", "ipg_per", base + 0x78, 20);
hws[IMX6QDL_CLK_PWM4] = imx_clk_hw_gate2("pwm4", "ipg_per", base + 0x78, 22);
hws[IMX6QDL_CLK_GPMI_BCH_APB] = imx_clk_hw_gate2("gpmi_bch_apb", "usdhc3", base + 0x78, 24);
hws[IMX6QDL_CLK_GPMI_BCH] = imx_clk_hw_gate2("gpmi_bch", "usdhc4", base + 0x78, 26);
hws[IMX6QDL_CLK_GPMI_IO] = imx_clk_hw_gate2("gpmi_io", "enfc", base + 0x78, 28);
hws[IMX6QDL_CLK_GPMI_APB] = imx_clk_hw_gate2("gpmi_apb", "usdhc3", base + 0x78, 30);
hws[IMX6QDL_CLK_ROM] = imx_clk_hw_gate2_flags("rom", "ahb", base + 0x7c, 0, CLK_IS_CRITICAL);
hws[IMX6QDL_CLK_SATA] = imx_clk_hw_gate2("sata", "ahb", base + 0x7c, 4);
hws[IMX6QDL_CLK_SDMA] = imx_clk_hw_gate2("sdma", "ahb", base + 0x7c, 6);
hws[IMX6QDL_CLK_SPBA] = imx_clk_hw_gate2("spba", "ipg", base + 0x7c, 12);
hws[IMX6QDL_CLK_SPDIF] = imx_clk_hw_gate2_shared("spdif", "spdif_podf", base + 0x7c, 14, &share_count_spdif);
hws[IMX6QDL_CLK_SPDIF_GCLK] = imx_clk_hw_gate2_shared("spdif_gclk", "ipg", base + 0x7c, 14, &share_count_spdif);
hws[IMX6QDL_CLK_SSI1_IPG] = imx_clk_hw_gate2_shared("ssi1_ipg", "ipg", base + 0x7c, 18, &share_count_ssi1);
hws[IMX6QDL_CLK_SSI2_IPG] = imx_clk_hw_gate2_shared("ssi2_ipg", "ipg", base + 0x7c, 20, &share_count_ssi2);
hws[IMX6QDL_CLK_SSI3_IPG] = imx_clk_hw_gate2_shared("ssi3_ipg", "ipg", base + 0x7c, 22, &share_count_ssi3);
hws[IMX6QDL_CLK_SSI1] = imx_clk_hw_gate2_shared("ssi1", "ssi1_podf", base + 0x7c, 18, &share_count_ssi1);
hws[IMX6QDL_CLK_SSI2] = imx_clk_hw_gate2_shared("ssi2", "ssi2_podf", base + 0x7c, 20, &share_count_ssi2);
hws[IMX6QDL_CLK_SSI3] = imx_clk_hw_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3);
hws[IMX6QDL_CLK_UART_IPG] = imx_clk_hw_gate2("uart_ipg", "ipg", base + 0x7c, 24);
hws[IMX6QDL_CLK_UART_SERIAL] = imx_clk_hw_gate2("uart_serial", "uart_serial_podf", base + 0x7c, 26);
hws[IMX6QDL_CLK_USBOH3] = imx_clk_hw_gate2("usboh3", "ipg", base + 0x80, 0);
hws[IMX6QDL_CLK_USDHC1] = imx_clk_hw_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2);
hws[IMX6QDL_CLK_USDHC2] = imx_clk_hw_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);
hws[IMX6QDL_CLK_USDHC3] = imx_clk_hw_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
hws[IMX6QDL_CLK_USDHC4] = imx_clk_hw_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);
hws[IMX6QDL_CLK_EIM_SLOW] = imx_clk_hw_gate2("eim_slow", "eim_slow_podf", base + 0x80, 10);
hws[IMX6QDL_CLK_VDO_AXI] = imx_clk_hw_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
hws[IMX6QDL_CLK_VPU_AXI] = imx_clk_hw_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14); if (clk_on_imx6qp()) {
hws[IMX6QDL_CLK_PRE0] = imx_clk_hw_gate2("pre0", "pre_axi", base + 0x80, 16);
hws[IMX6QDL_CLK_PRE1] = imx_clk_hw_gate2("pre1", "pre_axi", base + 0x80, 18);
hws[IMX6QDL_CLK_PRE2] = imx_clk_hw_gate2("pre2", "pre_axi", base + 0x80, 20);
hws[IMX6QDL_CLK_PRE3] = imx_clk_hw_gate2("pre3", "pre_axi", base + 0x80, 22);
hws[IMX6QDL_CLK_PRG0_AXI] = imx_clk_hw_gate2_shared("prg0_axi", "ipu1_podf", base + 0x80, 24, &share_count_prg0);
hws[IMX6QDL_CLK_PRG1_AXI] = imx_clk_hw_gate2_shared("prg1_axi", "ipu2_podf", base + 0x80, 26, &share_count_prg1);
hws[IMX6QDL_CLK_PRG0_APB] = imx_clk_hw_gate2_shared("prg0_apb", "ipg", base + 0x80, 24, &share_count_prg0);
hws[IMX6QDL_CLK_PRG1_APB] = imx_clk_hw_gate2_shared("prg1_apb", "ipg", base + 0x80, 26, &share_count_prg1);
}
hws[IMX6QDL_CLK_CKO1] = imx_clk_hw_gate("cko1", "cko1_podf", base + 0x60, 7);
hws[IMX6QDL_CLK_CKO2] = imx_clk_hw_gate("cko2", "cko2_podf", base + 0x60, 24);
/* * The gpt_3m clock is not available on i.MX6Q TO1.0. Let's point it * to clock gpt_ipg_per to ease the gpt driver code.
*/ if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0)
hws[IMX6QDL_CLK_GPT_3M] = hws[IMX6QDL_CLK_GPT_IPG_PER];
/* * The gpmi needs 100MHz frequency in the EDO/Sync mode, * We can not get the 100MHz from the pll2_pfd0_352m. * So choose pll2_pfd2_396m as enfc_sel's parent.
*/
clk_set_parent(hws[IMX6QDL_CLK_ENFC_SEL]->clk, hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk);
if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY1_GATE]->clk);
clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY2_GATE]->clk);
}
/* * Let's initially set up CLKO with OSC24M, since this configuration * is widely used by imx6q board designs to clock audio codec.
*/
ret = clk_set_parent(hws[IMX6QDL_CLK_CKO2_SEL]->clk, hws[IMX6QDL_CLK_OSC]->clk); if (!ret)
ret = clk_set_parent(hws[IMX6QDL_CLK_CKO]->clk, hws[IMX6QDL_CLK_CKO2]->clk); if (ret)
pr_warn("failed to set up CLKO: %d\n", ret);
/* All existing boards with PCIe use LVDS1 */ if (IS_ENABLED(CONFIG_PCI_IMX6))
clk_set_parent(hws[IMX6QDL_CLK_LVDS1_SEL]->clk, hws[IMX6QDL_CLK_SATA_REF_100M]->clk);
/* * Initialize the GPU clock muxes, so that the maximum specified clock * rates for the respective SoC are not exceeded.
*/ if (clk_on_imx6dl()) {
clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk,
hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk,
hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
} elseif (clk_on_imx6q()) {
clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk,
hws[IMX6QDL_CLK_MMDC_CH0_AXI]->clk);
clk_set_parent(hws[IMX6QDL_CLK_GPU3D_SHADER_SEL]->clk,
hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk);
clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk,
hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk);
}
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