diff options
| author | Bai Ping <b51503@freescale.com> | 2015-11-24 10:25:14 (GMT) |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-12-02 05:34:01 (GMT) |
| commit | fdb868cd059a97b35e4a5fcfa073a5d9c375fcdf (patch) | |
| tree | 4b69691cf1d667f7e187e9662c2d0857f9af4d11 | |
| parent | 2e133f61882baefaf89dc79c56a7975d80360ef4 (diff) | |
| download | linux-fdb868cd059a97b35e4a5fcfa073a5d9c375fcdf.tar.xz | |
clk: imx: Add a virtual arm clk on i.mx7d
Add a virtual arm clk to abstract the actual steps
when changing the ARM core frequency.So we can using
the 'cpufreq-dt' driver on i.MX7D/Solo.
Signed-off-by: Bai Ping <b51503@freescale.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | drivers/clk/imx/clk-imx7d.c | 6 | ||||
| -rw-r--r-- | include/dt-bindings/clock/imx7d-clock.h | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index 448ef32..581b428 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -833,6 +833,12 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_GPT_3M_CLK] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8); + clks[IMX7D_CLK_ARM] = imx_clk_cpu("arm", "arm_a7_root_clk", + clks[IMX7D_ARM_A7_ROOT_CLK], + clks[IMX7D_ARM_A7_ROOT_SRC], + clks[IMX7D_PLL_ARM_MAIN_CLK], + clks[IMX7D_PLL_SYS_MAIN_CLK]); + for (i = 0; i < ARRAY_SIZE(clks); i++) if (IS_ERR(clks[i])) pr_err("i.MX7D clk %d: register failed with %ld\n", diff --git a/include/dt-bindings/clock/imx7d-clock.h b/include/dt-bindings/clock/imx7d-clock.h index a4a7a9c..edca8985c 100644 --- a/include/dt-bindings/clock/imx7d-clock.h +++ b/include/dt-bindings/clock/imx7d-clock.h @@ -447,5 +447,6 @@ #define IMX7D_SEMA4_HS_ROOT_CLK 434 #define IMX7D_PLL_DRAM_TEST_DIV 435 #define IMX7D_ADC_ROOT_CLK 436 -#define IMX7D_CLK_END 437 +#define IMX7D_CLK_ARM 437 +#define IMX7D_CLK_END 438 #endif /* __DT_BINDINGS_CLOCK_IMX7D_H */ |