diff options
| author |   Lucas Stach <l.stach@pengutronix.de> | 2021-01-25 18:41:34 +0100 |
|---|---|---|
| committer |   Shawn Guo <shawnguo@kernel.org> | 2021-01-30 21:35:30 +0800 |
| commit | c1ae5c6f789acde2ad32226cb5461cc1bc60cdf3 (patch) | |
| tree | 50a86e309105d40d25d8e7469bf496a851ddfa8b | |
| parent | clk: imx8mq: add PLL monitor output (diff) | |
| download | linux-dev-c1ae5c6f789acde2ad32226cb5461cc1bc60cdf3.tar.xz linux-dev-c1ae5c6f789acde2ad32226cb5461cc1bc60cdf3.zip | |
clk: imx8mm: 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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | drivers/clk/imx/clk-imx8mm.c | 12 | ||||
| -rw-r--r-- | include/dt-bindings/clock/imx8mm-clock.h | 10 |
2 files changed, 21 insertions, 1 deletions
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 7c905861af5d..6a01eec36dd0 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -288,6 +288,11 @@ static const char *imx8mm_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "dummy", " static const char *imx8mm_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_400m", "sys_pll2_166m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", "osc_32k", }; +static const char * const 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_onecell_data *clk_hw_data; static struct clk_hw **hws; @@ -410,6 +415,13 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_500m_cg", 1, 2); hws[IMX8MM_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); + hws[IMX8MM_CLK_CLKOUT1_SEL] = imx_clk_hw_mux("clkout1_sel", base + 0x128, 4, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MM_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", base + 0x128, 0, 4); + hws[IMX8MM_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", base + 0x128, 8); + hws[IMX8MM_CLK_CLKOUT2_SEL] = imx_clk_hw_mux("clkout2_sel", base + 0x128, 20, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MM_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", base + 0x128, 16, 4); + hws[IMX8MM_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", base + 0x128, 24); + np = dev->of_node; base = devm_platform_ioremap_resource(pdev, 0); if (WARN_ON(IS_ERR(base))) diff --git a/include/dt-bindings/clock/imx8mm-clock.h b/include/dt-bindings/clock/imx8mm-clock.h index e63a5530aed7..47c6f7f9582c 100644 --- a/include/dt-bindings/clock/imx8mm-clock.h +++ b/include/dt-bindings/clock/imx8mm-clock.h @@ -274,6 +274,14 @@ #define IMX8MM_CLK_A53_CORE 251 -#define IMX8MM_CLK_END 252 +#define IMX8MM_CLK_CLKOUT1_SEL 252 +#define IMX8MM_CLK_CLKOUT1_DIV 253 +#define IMX8MM_CLK_CLKOUT1 254 +#define IMX8MM_CLK_CLKOUT2_SEL 255 +#define IMX8MM_CLK_CLKOUT2_DIV 256 +#define IMX8MM_CLK_CLKOUT2 257 + + +#define IMX8MM_CLK_END 258 #endif |