diff options
| author | Peng Fan <peng.fan@nxp.com> | 2023-04-03 17:53:00 +0800 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@linaro.org> | 2023-04-09 16:48:54 +0300 |
| commit | 6b60c3ae3e98d036945f2d5c11d35b4c178ea423 (patch) | |
| tree | e729b0b9c199b41f9e2eb8115b3996e35c50d912 /drivers/clk | |
| parent | 5fd7b00ca2361c81f2026f82dff93e52afd97a0b (diff) | |
| download | linux-6b60c3ae3e98d036945f2d5c11d35b4c178ea423.tar.gz | |
clk: imx: imx93: Add nic and A55 clk
The A55 clock logic as below:
A55_PLL ----------------->\
A55_SEL-->A55_CORE
A55_CCM_ROOT--->A55_GATE->/
Add A55 CPU clk to support freq change.
Add NIC CLK to reflect the clk status
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230403095300.3386988-8-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/imx/clk-imx93.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c index de1ed1d8ba54..07b4a043e449 100644 --- a/drivers/clk/imx/clk-imx93.c +++ b/drivers/clk/imx/clk-imx93.c @@ -33,6 +33,7 @@ static u32 share_count_sai2; static u32 share_count_sai3; static u32 share_count_mub; +static const char * const a55_core_sels[] = {"a55_alt", "arm_pll"}; static const char *parent_names[MAX_SEL][4] = { {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "video_pll"}, {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "sys_pll_pfd2_div2"}, @@ -55,7 +56,7 @@ static const struct imx93_clk_root { /* a55/m33/bus critical clk for system run */ { IMX93_CLK_A55_PERIPH, "a55_periph_root", 0x0000, FAST_SEL, CLK_IS_CRITICAL }, { IMX93_CLK_A55_MTR_BUS, "a55_mtr_bus_root", 0x0080, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL }, - { IMX93_CLK_A55, "a55_root", 0x0100, FAST_SEL, CLK_IS_CRITICAL }, + { IMX93_CLK_A55, "a55_alt_root", 0x0100, FAST_SEL, CLK_IS_CRITICAL }, { IMX93_CLK_M33, "m33_root", 0x0180, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL }, { IMX93_CLK_BUS_WAKEUP, "bus_wakeup_root", 0x0280, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL }, { IMX93_CLK_BUS_AON, "bus_aon_root", 0x0300, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL }, @@ -117,6 +118,7 @@ static const struct imx93_clk_root { { IMX93_CLK_HSIO_USB_TEST_60M, "hsio_usb_test_60m_root", 0x1f00, LOW_SPEED_IO_SEL, }, { IMX93_CLK_HSIO_ACSCAN_80M, "hsio_acscan_80m_root", 0x1f80, LOW_SPEED_IO_SEL, }, { IMX93_CLK_HSIO_ACSCAN_480M, "hsio_acscan_480m_root", 0x2000, MISC_SEL, }, + { IMX93_CLK_NIC_AXI, "nic_axi_root", 0x2080, FAST_SEL, CLK_IS_CRITICAL, }, { IMX93_CLK_ML_APB, "ml_apb_root", 0x2180, LOW_SPEED_IO_SEL, }, { IMX93_CLK_ML, "ml_root", 0x2200, FAST_SEL, }, { IMX93_CLK_MEDIA_AXI, "media_axi_root", 0x2280, FAST_SEL, }, @@ -153,7 +155,7 @@ static const struct imx93_clk_ccgr { unsigned long flags; u32 *shared_count; } ccgr_array[] = { - { IMX93_CLK_A55_GATE, "a55", "a55_root", 0x8000, }, + { IMX93_CLK_A55_GATE, "a55_alt", "a55_alt_root", 0x8000, }, /* M33 critical clk for system run */ { IMX93_CLK_CM33_GATE, "cm33", "m33_root", 0x8040, CLK_IS_CRITICAL }, { IMX93_CLK_ADC1_GATE, "adc1", "adc_root", 0x82c0, }, @@ -291,6 +293,9 @@ static int imx93_clocks_probe(struct platform_device *pdev) if (WARN_ON(!anatop_base)) return -ENOMEM; + clks[IMX93_CLK_ARM_PLL] = imx_clk_fracn_gppll_integer("arm_pll", "osc_24m", + anatop_base + 0x1000, + &imx_fracn_gppll_integer); clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200, &imx_fracn_gppll); clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400, @@ -318,6 +323,14 @@ static int imx93_clocks_probe(struct platform_device *pdev) ccgr->shared_count); } + clks[IMX93_CLK_A55_SEL] = imx_clk_hw_mux2("a55_sel", base + 0x4820, 0, 1, a55_core_sels, + ARRAY_SIZE(a55_core_sels)); + clks[IMX93_CLK_A55_CORE] = imx_clk_hw_cpu("a55_core", "a55_sel", + clks[IMX93_CLK_A55_SEL]->clk, + clks[IMX93_CLK_A55_SEL]->clk, + clks[IMX93_CLK_ARM_PLL]->clk, + clks[IMX93_CLK_A55_GATE]->clk); + imx_check_clk_hws(clks, IMX93_CLK_END); ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); |