diff options
| -rw-r--r-- | drivers/clk/imx/clk-imx7d.c | 101 |
1 files changed, 61 insertions, 40 deletions
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index 6bafcaa4451f..e7c7353a86fc 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -26,43 +26,59 @@ static u32 share_count_sai1; static u32 share_count_sai2; static u32 share_count_sai3; +static struct clk_div_table test_div_table[] = { + { .val = 3, .div = 1, }, + { .val = 2, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 0, .div = 4, }, + { } +}; + +static struct clk_div_table post_div_table[] = { + { .val = 3, .div = 4, }, + { .val = 2, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 0, .div = 1, }, + { } +}; + static struct clk *clks[IMX7D_CLK_END]; static const char *arm_a7_sel[] = { "osc", "pll_arm_main_clk", "pll_enet_500m_clk", "pll_dram_main_clk", - "pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_audio_main_clk", + "pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_audio_post_div", "pll_usb_main_clk", }; static const char *arm_m4_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_enet_250m_clk", "pll_sys_pfd2_270m_clk", - "pll_dram_533m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", }; static const char *arm_m0_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_125m_clk", "pll_sys_pfd2_135m_clk", - "pll_dram_533m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", }; static const char *axi_sel[] = { "osc", "pll_sys_pfd1_332m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", "pll_sys_pfd5_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_sys_pfd7_clk", }; + "pll_audio_post_div", "pll_video_main_clk", "pll_sys_pfd7_clk", }; static const char *disp_axi_sel[] = { "osc", "pll_sys_pfd1_332m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", "pll_sys_pfd6_clk", - "pll_sys_pfd7_clk", "pll_audio_main_clk", "pll_video_main_clk", }; + "pll_sys_pfd7_clk", "pll_audio_post_div", "pll_video_main_clk", }; static const char *enet_axi_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", - "pll_sys_main_240m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_sys_main_240m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_sys_pfd4_clk", }; static const char *nand_usdhc_bus_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_sys_main_240m_clk", "pll_sys_pfd2_135m_clk", "pll_sys_pfd6_clk", "pll_enet_250m_clk", - "pll_audio_main_clk", }; + "pll_audio_post_div", }; static const char *ahb_channel_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_sys_pfd0_392m_clk", - "pll_enet_125m_clk", "pll_usb_main_clk", "pll_audio_main_clk", + "pll_enet_125m_clk", "pll_usb_main_clk", "pll_audio_post_div", "pll_video_main_clk", }; static const char *dram_phym_sel[] = { "pll_dram_main_clk", @@ -73,13 +89,13 @@ static const char *dram_sel[] = { "pll_dram_main_clk", static const char *dram_phym_alt_sel[] = { "osc", "pll_dram_533m_clk", "pll_sys_main_clk", "pll_enet_500m_clk", - "pll_usb_main_clk", "pll_sys_pfd7_clk", "pll_audio_main_clk", + "pll_usb_main_clk", "pll_sys_pfd7_clk", "pll_audio_post_div", "pll_video_main_clk", }; static const char *dram_alt_sel[] = { "osc", "pll_dram_533m_clk", "pll_sys_main_clk", "pll_enet_500m_clk", "pll_enet_250m_clk", "pll_sys_pfd0_392m_clk", - "pll_audio_main_clk", "pll_sys_pfd2_270m_clk", }; + "pll_audio_post_div", "pll_sys_pfd2_270m_clk", }; static const char *usb_hsic_sel[] = { "osc", "pll_sys_main_clk", "pll_usb_main_clk", "pll_sys_pfd3_clk", "pll_sys_pfd4_clk", @@ -105,53 +121,53 @@ static const char *lcdif_pixel_sel[] = { "osc", "pll_sys_pfd5_clk", static const char *mipi_dsi_sel[] = { "osc", "pll_sys_pfd5_clk", "pll_sys_pfd3_clk", "pll_sys_main_clk", "pll_sys_pfd0_196m_clk", - "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_main_clk", }; + "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_post_div", }; static const char *mipi_csi_sel[] = { "osc", "pll_sys_pfd4_clk", "pll_sys_pfd3_clk", "pll_sys_main_clk", "pll_sys_pfd0_196m_clk", - "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_main_clk", }; + "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_post_div", }; static const char *mipi_dphy_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_dram_533m_clk", "pll_sys_pfd5_clk", "ref_1m_clk", "ext_clk_2", "pll_video_main_clk", "ext_clk_3", }; static const char *sai1_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_main_clk", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_2", }; static const char *sai2_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_main_clk", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_2", }; static const char *sai3_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_main_clk", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_3", }; static const char *spdif_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_main_clk", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_3_clk", }; static const char *enet1_ref_sel[] = { "osc", "pll_enet_125m_clk", "pll_enet_50m_clk", "pll_enet_25m_clk", - "pll_sys_main_120m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_main_clk", "ext_clk_4", }; static const char *enet1_time_sel[] = { "osc", "pll_enet_100m_clk", - "pll_audio_main_clk", "ext_clk_1", "ext_clk_2", "ext_clk_3", + "pll_audio_post_div", "ext_clk_1", "ext_clk_2", "ext_clk_3", "ext_clk_4", "pll_video_main_clk", }; static const char *enet2_ref_sel[] = { "osc", "pll_enet_125m_clk", "pll_enet_50m_clk", "pll_enet_25m_clk", - "pll_sys_main_120m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_main_clk", "ext_clk_4", }; static const char *enet2_time_sel[] = { "osc", "pll_enet_100m_clk", - "pll_audio_main_clk", "ext_clk_1", "ext_clk_2", "ext_clk_3", + "pll_audio_post_div", "ext_clk_1", "ext_clk_2", "ext_clk_3", "ext_clk_4", "pll_video_main_clk", }; static const char *enet_phy_ref_sel[] = { "osc", "pll_enet_25m_clk", "pll_enet_50m_clk", "pll_enet_125m_clk", - "pll_dram_533m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_sys_pfd3_clk", }; static const char *eim_sel[] = { "osc", "pll_sys_pfd2_135m_clk", @@ -192,22 +208,22 @@ static const char *can2_sel[] = { "osc", "pll_sys_main_120m_clk", static const char *i2c1_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c2_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c3_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c4_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *uart1_sel[] = { "osc", "pll_sys_main_240m_clk", @@ -266,32 +282,32 @@ static const char *ecspi4_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_usb_main_clk", }; static const char *pwm1_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_1", "ref_1m_clk", "pll_video_main_clk", }; static const char *pwm2_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_1", "ref_1m_clk", "pll_video_main_clk", }; static const char *pwm3_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_2", "ref_1m_clk", "pll_video_main_clk", }; static const char *pwm4_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_2", "ref_1m_clk", "pll_video_main_clk", }; static const char *flextimer1_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_3", "ref_1m_clk", "pll_video_main_clk", }; static const char *flextimer2_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_main_clk", + "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", "ext_clk_3", "ref_1m_clk", "pll_video_main_clk", }; static const char *sim1_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_usb_main_clk", "pll_audio_main_clk", "pll_enet_125m_clk", + "pll_usb_main_clk", "pll_audio_post_div", "pll_enet_125m_clk", "pll_sys_pfd7_clk", }; static const char *sim2_sel[] = { "osc", "pll_sys_pfd2_135m_clk", @@ -301,19 +317,19 @@ static const char *sim2_sel[] = { "osc", "pll_sys_pfd2_135m_clk", static const char *gpt1_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", - "ref_1m_clk", "pll_audio_main_clk", "ext_clk_1", }; + "ref_1m_clk", "pll_audio_post_div", "ext_clk_1", }; static const char *gpt2_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", - "ref_1m_clk", "pll_audio_main_clk", "ext_clk_2", }; + "ref_1m_clk", "pll_audio_post_div", "ext_clk_2", }; static const char *gpt3_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", - "ref_1m_clk", "pll_audio_main_clk", "ext_clk_3", }; + "ref_1m_clk", "pll_audio_post_div", "ext_clk_3", }; static const char *gpt4_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", - "ref_1m_clk", "pll_audio_main_clk", "ext_clk_4", }; + "ref_1m_clk", "pll_audio_post_div", "ext_clk_4", }; static const char *trace_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", @@ -327,12 +343,12 @@ static const char *wdog_sel[] = { "osc", "pll_sys_pfd2_135m_clk", static const char *csi_mclk_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_enet_125m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", }; static const char *audio_mclk_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_enet_125m_clk", "pll_audio_main_clk", "pll_video_main_clk", + "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", }; static const char *wrclk_sel[] = { "osc", "pll_enet_40m_clk", @@ -346,13 +362,13 @@ static const char *clko1_sel[] = { "osc", "pll_sys_main_clk", static const char *clko2_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_166m_clk", "pll_sys_pfd4_clk", - "pll_audio_main_clk", "pll_video_main_clk", "ckil", }; + "pll_audio_post_div", "pll_video_main_clk", "ckil", }; static const char *lvds1_sel[] = { "pll_arm_main_clk", "pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_332m_clk", "pll_sys_pfd2_270m_clk", "pll_sys_pfd3_clk", "pll_sys_pfd4_clk", "pll_sys_pfd5_clk", "pll_sys_pfd6_clk", "pll_sys_pfd7_clk", - "pll_audio_main_clk", "pll_video_main_clk", "pll_enet_500m_clk", + "pll_audio_post_div", "pll_video_main_clk", "pll_enet_500m_clk", "pll_enet_250m_clk", "pll_enet_125m_clk", "pll_enet_100m_clk", "pll_enet_50m_clk", "pll_enet_40m_clk", "pll_enet_25m_clk", "pll_dram_main_clk", }; @@ -434,6 +450,11 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_PLL_AUDIO_MAIN_CLK] = imx_clk_gate("pll_audio_main_clk", "pll_audio_main_bypass", base + 0xf0, 13); clks[IMX7D_PLL_VIDEO_MAIN_CLK] = imx_clk_gate("pll_video_main_clk", "pll_video_main_bypass", base + 0x130, 13); + clks[IMX7D_PLL_AUDIO_TEST_DIV] = clk_register_divider_table(NULL, "pll_audio_test_div", "pll_audio_main_clk", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xf0, 19, 2, 0, test_div_table, &imx_ccm_lock); + clks[IMX7D_PLL_AUDIO_POST_DIV] = clk_register_divider_table(NULL, "pll_audio_post_div", "pll_audio_test_div", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xf0, 22, 2, 0, post_div_table, &imx_ccm_lock); + clks[IMX7D_PLL_SYS_PFD0_392M_CLK] = imx_clk_pfd("pll_sys_pfd0_392m_clk", "pll_sys_main_clk", base + 0xc0, 0); clks[IMX7D_PLL_SYS_PFD1_332M_CLK] = imx_clk_pfd("pll_sys_pfd1_332m_clk", "pll_sys_main_clk", base + 0xc0, 1); clks[IMX7D_PLL_SYS_PFD2_270M_CLK] = imx_clk_pfd("pll_sys_pfd2_270m_clk", "pll_sys_main_clk", base + 0xc0, 2); 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