diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx6ul.c')
| -rw-r--r-- | drivers/clk/imx/clk-imx6ul.c | 113 |
1 files changed, 93 insertions, 20 deletions
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index db2901646403..2b91f04b982a 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP. * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License @@ -65,6 +66,11 @@ static const char *lcdif_sels[] = { "lcdif_podf", "ipp_di0", "ipp_di1", "ldb_di0 static const char *csi_sels[] = { "osc", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; static const char *sim_sels[] = { "sim_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; +/* epdc_pre_sels, epdc_sels, esai_sels only exists on i.MX6ULL */ +static const char *epdc_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", }; +static const char *esai_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", }; +static const char *epdc_sels[] = { "epdc_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; + static struct clk *clks[IMX6UL_CLK_END]; static struct clk_onecell_data clk_data; @@ -102,6 +108,17 @@ static u32 share_count_audio; static u32 share_count_sai1; static u32 share_count_sai2; static u32 share_count_sai3; +static u32 share_count_esai; + +static inline int clk_on_imx6ul(void) +{ + return of_machine_is_compatible("fsl,imx6ul"); +} + +static inline int clk_on_imx6ull(void) +{ + return of_machine_is_compatible("fsl,imx6ull"); +} static void __init imx6ul_clocks_init(struct device_node *ccm_node) { @@ -132,7 +149,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); clks[IMX6UL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "osc", base + 0x00, 0x7f); - clks[IMX6UL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1); + clks[IMX6UL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_PLL2, "pll2", "osc", base + 0x30, 0x1); clks[IMX6UL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "osc", base + 0x10, 0x3); clks[IMX6UL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "osc", base + 0x70, 0x7f); clks[IMX6UL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "osc", base + 0xa0, 0x7f); @@ -146,7 +163,6 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); clks[IMX6UL_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); clks[IMX6UL_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); - clks[IMX6UL_CLK_CSI_SEL] = imx_clk_mux_flags("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels), CLK_SET_RATE_PARENT); /* Do not bypass PLLs initially */ clk_set_parent(clks[IMX6UL_PLL1_BYPASS], clks[IMX6UL_CLK_PLL1]); @@ -221,13 +237,13 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CA7_SECONDARY_SEL] = imx_clk_mux("ca7_secondary_sel", base + 0xc, 3, 1, ca7_secondary_sels, ARRAY_SIZE(ca7_secondary_sels)); clks[IMX6UL_CLK_STEP] = imx_clk_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels)); - clks[IMX6UL_CLK_PLL1_SW] = imx_clk_mux_flags("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0); + clks[IMX6UL_CLK_PLL1_SW] = imx_clk_mux_glitchless("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels)); clks[IMX6UL_CLK_AXI_ALT_SEL] = imx_clk_mux("axi_alt_sel", base + 0x14, 7, 1, axi_alt_sels, ARRAY_SIZE(axi_alt_sels)); clks[IMX6UL_CLK_AXI_SEL] = imx_clk_mux_flags("axi_sel", base + 0x14, 6, 1, axi_sels, ARRAY_SIZE(axi_sels), 0); - clks[IMX6UL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); - clks[IMX6UL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels)); - clks[IMX6UL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); - clks[IMX6UL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); + clks[IMX6UL_CLK_PERIPH_PRE] = imx_clk_mux_bus("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); + clks[IMX6UL_CLK_PERIPH2_PRE] = imx_clk_mux_bus("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels)); + clks[IMX6UL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux_bus("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clks[IMX6UL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux_bus("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); clks[IMX6UL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels)); clks[IMX6UL_CLK_GPMI_SEL] = imx_clk_mux("gpmi_sel", base + 0x1c, 19, 1, gpmi_sels, ARRAY_SIZE(gpmi_sels)); clks[IMX6UL_CLK_BCH_SEL] = imx_clk_mux("bch_sel", base + 0x1c, 18, 1, bch_sels, ARRAY_SIZE(bch_sels)); @@ -239,15 +255,23 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_QSPI1_SEL] = imx_clk_mux("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels)); clks[IMX6UL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels)); clks[IMX6UL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels)); + if (clk_on_imx6ull()) + clks[IMX6UL_CLK_ESAI_SEL] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, esai_sels, ARRAY_SIZE(esai_sels)); clks[IMX6UL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels)); clks[IMX6UL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 15, 3, enfc_sels, ARRAY_SIZE(enfc_sels)); clks[IMX6UL_CLK_LDB_DI0_SEL] = imx_clk_mux("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di0_sels, ARRAY_SIZE(ldb_di0_sels)); clks[IMX6UL_CLK_SPDIF_SEL] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, spdif_sels, ARRAY_SIZE(spdif_sels)); - clks[IMX6UL_CLK_SIM_PRE_SEL] = imx_clk_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels)); - clks[IMX6UL_CLK_SIM_SEL] = imx_clk_mux("sim_sel", base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels)); + if (clk_on_imx6ul()) { + clks[IMX6UL_CLK_SIM_PRE_SEL] = imx_clk_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels)); + clks[IMX6UL_CLK_SIM_SEL] = imx_clk_mux("sim_sel", base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels)); + } else { + clks[IMX6UL_CLK_EPDC_PRE_SEL] = imx_clk_mux("epdc_pre_sel", base + 0x34, 15, 3, epdc_pre_sels, ARRAY_SIZE(epdc_pre_sels)); + clks[IMX6UL_CLK_EPDC_SEL] = imx_clk_mux("epdc_sel", base + 0x34, 9, 3, epdc_sels, ARRAY_SIZE(epdc_sels)); + } clks[IMX6UL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels)); clks[IMX6UL_CLK_LCDIF_PRE_SEL] = imx_clk_mux("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels)); clks[IMX6UL_CLK_LCDIF_SEL] = imx_clk_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels)); + clks[IMX6UL_CLK_CSI_SEL] = imx_clk_mux_flags("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels), CLK_SET_RATE_PARENT); clks[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels)); clks[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels)); @@ -277,13 +301,20 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_SAI3_PODF] = imx_clk_divider("sai3_podf", "sai3_pred", base + 0x28, 16, 6); clks[IMX6UL_CLK_SAI1_PRED] = imx_clk_divider("sai1_pred", "sai1_sel", base + 0x28, 6, 3); clks[IMX6UL_CLK_SAI1_PODF] = imx_clk_divider("sai1_podf", "sai1_pred", base + 0x28, 0, 6); + if (clk_on_imx6ull()) { + clks[IMX6UL_CLK_ESAI_PRED] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3); + clks[IMX6UL_CLK_ESAI_PODF] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3); + } clks[IMX6UL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3); clks[IMX6UL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); clks[IMX6UL_CLK_SAI2_PRED] = imx_clk_divider("sai2_pred", "sai2_sel", base + 0x2c, 6, 3); clks[IMX6UL_CLK_SAI2_PODF] = imx_clk_divider("sai2_podf", "sai2_pred", base + 0x2c, 0, 6); clks[IMX6UL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); clks[IMX6UL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); - clks[IMX6UL_CLK_SIM_PODF] = imx_clk_divider("sim_podf", "sim_pre_sel", base + 0x34, 12, 3); + if (clk_on_imx6ul()) + clks[IMX6UL_CLK_SIM_PODF] = imx_clk_divider("sim_podf", "sim_pre_sel", base + 0x34, 12, 3); + else + clks[IMX6UL_CLK_EPDC_PODF] = imx_clk_divider("epdc_podf", "epdc_pre_sel", base + 0x34, 12, 3); clks[IMX6UL_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_sel", base + 0x38, 19, 6); clks[IMX6UL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3); clks[IMX6UL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3); @@ -299,9 +330,15 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_APBHDMA] = imx_clk_gate2("apbh_dma", "bch_podf", base + 0x68, 4); clks[IMX6UL_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc); clks[IMX6UL_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc); - clks[IMX6UL_CLK_CAAM_MEM] = imx_clk_gate2("caam_mem", "ahb", base + 0x68, 8); - clks[IMX6UL_CLK_CAAM_ACLK] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10); - clks[IMX6UL_CLK_CAAM_IPG] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12); + if (clk_on_imx6ul()) { + clks[IMX6UL_CLK_CAAM_MEM] = imx_clk_gate2("caam_mem", "ahb", base + 0x68, 8); + clks[IMX6UL_CLK_CAAM_ACLK] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10); + clks[IMX6UL_CLK_CAAM_IPG] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12); + } else { + clks[IMX6UL_CLK_DCP_CLK] = imx_clk_gate2("dcp", "ahb", base + 0x68, 10); + clks[IMX6UL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x68, 12); + clks[IMX6UL_CLK_ENET_AHB] = imx_clk_gate2("enet_ahb", "ahb", base + 0x68, 12); + } clks[IMX6UL_CLK_CAN1_IPG] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14); clks[IMX6UL_CLK_CAN1_SERIAL] = imx_clk_gate2("can1_serial", "can_podf", base + 0x68, 16); clks[IMX6UL_CLK_CAN2_IPG] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18); @@ -310,7 +347,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_GPT2_SERIAL] = imx_clk_gate2("gpt2_serial", "perclk", base + 0x68, 26); clks[IMX6UL_CLK_UART2_IPG] = imx_clk_gate2("uart2_ipg", "ipg", base + 0x68, 28); clks[IMX6UL_CLK_UART2_SERIAL] = imx_clk_gate2("uart2_serial", "uart_podf", base + 0x68, 28); - clks[IMX6UL_CLK_AIPSTZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x68, 30); + if (clk_on_imx6ul()) + clks[IMX6UL_CLK_AIPSTZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x68, 30); /* CCGR1 */ clks[IMX6UL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_podf", base + 0x6c, 0); @@ -329,6 +367,11 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_UART4_SERIAL] = imx_clk_gate2("uart4_serail", "uart_podf", base + 0x6c, 24); /* CCGR2 */ + if (clk_on_imx6ull()) { + clks[IMX6UL_CLK_ESAI_EXTAL] = imx_clk_gate2_shared("esai_extal", "esai_podf", base + 0x70, 0, &share_count_esai); + clks[IMX6UL_CLK_ESAI_IPG] = imx_clk_gate2_shared("esai_ipg", "ahb", base + 0x70, 0, &share_count_esai); + clks[IMX6UL_CLK_ESAI_MEM] = imx_clk_gate2_shared("esai_mem", "ahb", base + 0x70, 0, &share_count_esai); + } clks[IMX6UL_CLK_CSI] = imx_clk_gate2("csi", "csi_podf", base + 0x70, 2); clks[IMX6UL_CLK_I2C1] = imx_clk_gate2("i2c1", "perclk", base + 0x70, 6); clks[IMX6UL_CLK_I2C2] = imx_clk_gate2("i2c2", "perclk", base + 0x70, 8); @@ -341,8 +384,13 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) /* CCGR3 */ clks[IMX6UL_CLK_UART5_IPG] = imx_clk_gate2("uart5_ipg", "ipg", base + 0x74, 2); clks[IMX6UL_CLK_UART5_SERIAL] = imx_clk_gate2("uart5_serial", "uart_podf", base + 0x74, 2); - clks[IMX6UL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x74, 4); - clks[IMX6UL_CLK_ENET_AHB] = imx_clk_gate2("enet_ahb", "ahb", base + 0x74, 4); + if (clk_on_imx6ul()) { + clks[IMX6UL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x74, 4); + clks[IMX6UL_CLK_ENET_AHB] = imx_clk_gate2("enet_ahb", "ahb", base + 0x74, 4); + } else { + clks[IMX6UL_CLK_EPDC_ACLK] = imx_clk_gate2("epdc_aclk", "axi", base + 0x74, 4); + clks[IMX6UL_CLK_EPDC_PIX] = imx_clk_gate2("epdc_pix", "epdc_podf", base + 0x74, 4); + } clks[IMX6UL_CLK_UART6_IPG] = imx_clk_gate2("uart6_ipg", "ipg", base + 0x74, 6); clks[IMX6UL_CLK_UART6_SERIAL] = imx_clk_gate2("uart6_serial", "uart_podf", base + 0x74, 6); clks[IMX6UL_CLK_LCDIF_PIX] = imx_clk_gate2("lcdif_pix", "lcdif_podf", base + 0x74, 10); @@ -386,12 +434,16 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); clks[IMX6UL_CLK_USDHC1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2); clks[IMX6UL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); - clks[IMX6UL_CLK_SIM1] = imx_clk_gate2("sim1", "sim_sel", base + 0x80, 6); - clks[IMX6UL_CLK_SIM2] = imx_clk_gate2("sim2", "sim_sel", base + 0x80, 8); + if (clk_on_imx6ul()) { + clks[IMX6UL_CLK_SIM1] = imx_clk_gate2("sim1", "sim_sel", base + 0x80, 6); + clks[IMX6UL_CLK_SIM2] = imx_clk_gate2("sim2", "sim_sel", base + 0x80, 8); + } clks[IMX6UL_CLK_EIM] = imx_clk_gate2("eim", "eim_slow_podf", base + 0x80, 10); clks[IMX6UL_CLK_PWM8] = imx_clk_gate2("pwm8", "perclk", base + 0x80, 16); clks[IMX6UL_CLK_UART8_IPG] = imx_clk_gate2("uart8_ipg", "ipg", base + 0x80, 14); clks[IMX6UL_CLK_UART8_SERIAL] = imx_clk_gate2("uart8_serial", "uart_podf", base + 0x80, 14); + if (clk_on_imx6ull()) + clks[IMX6UL_CLK_AIPSTZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x80, 18); clks[IMX6UL_CLK_WDOG3] = imx_clk_gate2("wdog3", "ipg", base + 0x80, 20); clks[IMX6UL_CLK_I2C4] = imx_clk_gate2("i2c4", "perclk", base + 0x80, 24); clks[IMX6UL_CLK_PWM5] = imx_clk_gate2("pwm5", "perclk", base + 0x80, 26); @@ -428,9 +480,16 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) /* set perclk to from OSC */ clk_set_parent(clks[IMX6UL_CLK_PERCLK_SEL], clks[IMX6UL_CLK_OSC]); + /* Set the UART parent if needed */ + if (uart_from_osc) + imx_clk_set_parent(clks[IMX6UL_CLK_UART_SEL], clks[IMX6UL_CLK_OSC]); + else + imx_clk_set_parent(clks[IMX6UL_CLK_UART_SEL], clks[IMX6UL_CLK_PLL3_80M]); + clk_set_rate(clks[IMX6UL_CLK_ENET_REF], 50000000); clk_set_rate(clks[IMX6UL_CLK_ENET2_REF], 50000000); clk_set_rate(clks[IMX6UL_CLK_CSI], 24000000); + clk_set_rate(clks[IMX6UL_CLK_PLL3_PFD2], 320000000); /* keep all the clks on just for bringup */ for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) @@ -442,9 +501,23 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) } clk_set_parent(clks[IMX6UL_CLK_CAN_SEL], clks[IMX6UL_CLK_PLL3_60M]); - clk_set_parent(clks[IMX6UL_CLK_SIM_PRE_SEL], clks[IMX6UL_CLK_PLL3_USB_OTG]); + if (clk_on_imx6ul()) + clk_set_parent(clks[IMX6UL_CLK_SIM_PRE_SEL], clks[IMX6UL_CLK_PLL3_USB_OTG]); + else + clk_set_parent(clks[IMX6UL_CLK_EPDC_PRE_SEL], clks[IMX6UL_CLK_PLL3_PFD2]); clk_set_parent(clks[IMX6UL_CLK_ENFC_SEL], clks[IMX6UL_CLK_PLL2_PFD2]); + + /* Lower the AHB clock rate before changing the clock source. */ + imx_clk_set_rate(clks[IMX6UL_CLK_AHB], 99000000); + + /* Change periph_pre clock to pll2_bus to adjust AXI rate to 264MHz */ + imx_clk_set_parent(clks[IMX6UL_CLK_PERIPH_CLK2_SEL], clks[IMX6UL_CLK_PLL3_USB_OTG]); + imx_clk_set_parent(clks[IMX6UL_CLK_PERIPH], clks[IMX6UL_CLK_PERIPH_CLK2]); + imx_clk_set_parent(clks[IMX6UL_CLK_PERIPH_PRE], clks[IMX6UL_CLK_PLL2_BUS]); + imx_clk_set_parent(clks[IMX6UL_CLK_PERIPH], clks[IMX6UL_CLK_PERIPH_PRE]); + + imx_clk_set_rate(clks[IMX6UL_CLK_AHB], 132000000); } CLK_OF_DECLARE(imx6ul, "fsl,imx6ul-ccm", imx6ul_clocks_init); |