diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2022-04-27 18:21:31 +0200 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@nxp.com> | 2022-05-02 12:38:10 +0300 |
| commit | 43896f56b59eeaf08687fa976257ae7083d01b41 (patch) | |
| tree | 2fab6198aaea3df5335c1928b5add8a9096c04e3 | |
| parent | bfd594b3acbd2656edcc7742e1270d09c0de9d4d (diff) | |
clk: imx8mp: add clkout1/2 support
clkout1 and clkout2 allow to supply clocks from the SoC to the board,
which is used by some board designs to provide reference clocks.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220427162131.3127303-1-l.stach@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
| -rw-r--r-- | drivers/clk/imx/clk-imx8mp.c | 14 | ||||
| -rw-r--r-- | include/dt-bindings/clock/imx8mp-clock.h | 9 |
2 files changed, 21 insertions, 2 deletions
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index c8a0534b5b1f..ba058fbccecc 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -399,6 +399,11 @@ static const char * const imx8mp_sai7_sels[] = {"osc_24m", "audio_pll1_out", "au static const char * const imx8mp_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", }; +static const char * const imx8mp_clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll1_out", + "dummy", "dummy", "gpu_pll_out", "vpu_pll_out", + "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3", + "dummy", "dummy", "osc_24m", "dummy", "osc_32k"}; + static struct clk_hw **hws; static struct clk_hw_onecell_data *clk_hw_data; @@ -504,6 +509,15 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2); hws[IMX8MP_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); + hws[IMX8MP_CLK_CLKOUT1_SEL] = imx_clk_hw_mux2("clkout1_sel", anatop_base + 0x128, 4, 4, + imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels)); + hws[IMX8MP_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", anatop_base + 0x128, 0, 4); + hws[IMX8MP_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", anatop_base + 0x128, 8); + hws[IMX8MP_CLK_CLKOUT2_SEL] = imx_clk_hw_mux2("clkout2_sel", anatop_base + 0x128, 20, 4, + imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels)); + hws[IMX8MP_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", anatop_base + 0x128, 16, 4); + hws[IMX8MP_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", anatop_base + 0x128, 24); + hws[IMX8MP_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mp_a53_sels, ccm_base + 0x8000); hws[IMX8MP_CLK_A53_SRC] = hws[IMX8MP_CLK_A53_DIV]; hws[IMX8MP_CLK_A53_CG] = hws[IMX8MP_CLK_A53_DIV]; diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h index e05d21bf7813..9d5cc2ddde89 100644 --- a/include/dt-bindings/clock/imx8mp-clock.h +++ b/include/dt-bindings/clock/imx8mp-clock.h @@ -317,10 +317,15 @@ #define IMX8MP_CLK_AUDIO_AXI 310 #define IMX8MP_CLK_HSIO_AXI 311 #define IMX8MP_CLK_MEDIA_ISP 312 - #define IMX8MP_CLK_MEDIA_DISP2_PIX 313 +#define IMX8MP_CLK_CLKOUT1_SEL 314 +#define IMX8MP_CLK_CLKOUT1_DIV 315 +#define IMX8MP_CLK_CLKOUT1 316 +#define IMX8MP_CLK_CLKOUT2_SEL 317 +#define IMX8MP_CLK_CLKOUT2_DIV 318 +#define IMX8MP_CLK_CLKOUT2 319 -#define IMX8MP_CLK_END 314 +#define IMX8MP_CLK_END 320 #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG 0 #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1 1 |