diff options
| -rw-r--r-- | drivers/clk/clk_sandbox_ccf.c | 15 | ||||
| -rw-r--r-- | include/sandbox-clk.h | 3 | ||||
| -rw-r--r-- | test/dm/clk_ccf.c | 28 |
3 files changed, 46 insertions, 0 deletions
diff --git a/drivers/clk/clk_sandbox_ccf.c b/drivers/clk/clk_sandbox_ccf.c index e126f18d8e..9fa27229e1 100644 --- a/drivers/clk/clk_sandbox_ccf.c +++ b/drivers/clk/clk_sandbox_ccf.c @@ -25,6 +25,18 @@ struct clk_pllv3 { u32 div_shift; }; +int sandbox_clk_enable_count(struct clk *clk) +{ + struct clk *clkp = NULL; + int ret; + + ret = clk_get_by_id(clk->id, &clkp); + if (ret) + return 0; + + return clkp->enable_count; +} + static ulong clk_pllv3_get_rate(struct clk *clk) { unsigned long parent_rate = clk_get_parent_rate(clk); @@ -254,6 +266,9 @@ static int sandbox_clk_ccf_probe(struct udevice *dev) sandbox_clk_composite("i2c", i2c_sels, ARRAY_SIZE(i2c_sels), ®, 0)); + clk_dm(SANDBOX_CLK_I2C_ROOT, + sandbox_clk_gate2("i2c_root", "i2c", base + 0x7c, 0)); + return 0; } diff --git a/include/sandbox-clk.h b/include/sandbox-clk.h index f449de1364..296cddfbb0 100644 --- a/include/sandbox-clk.h +++ b/include/sandbox-clk.h @@ -20,6 +20,7 @@ enum { SANDBOX_CLK_USDHC1_SEL, SANDBOX_CLK_USDHC2_SEL, SANDBOX_CLK_I2C, + SANDBOX_CLK_I2C_ROOT, }; enum sandbox_pllv3_type { @@ -74,4 +75,6 @@ static inline struct clk *sandbox_clk_mux(const char *name, void __iomem *reg, width, 0); } +int sandbox_clk_enable_count(struct clk *clk); + #endif /* __SANDBOX_CLK_H__ */ diff --git a/test/dm/clk_ccf.c b/test/dm/clk_ccf.c index bbc4b500e8..ae3a4d8a76 100644 --- a/test/dm/clk_ccf.c +++ b/test/dm/clk_ccf.c @@ -64,6 +64,34 @@ static int dm_test_clk_ccf(struct unit_test_state *uts) rate = clk_get_rate(clk); ut_asserteq(rate, 60000000); +#if CONFIG_IS_ENABLED(CLK_CCF) + /* Test clk tree enable/disable */ + ret = clk_get_by_id(SANDBOX_CLK_I2C_ROOT, &clk); + ut_assertok(ret); + ut_asserteq_str("i2c_root", clk->dev->name); + + ret = clk_enable(clk); + ut_assertok(ret); + + ret = sandbox_clk_enable_count(clk); + ut_asserteq(ret, 1); + + ret = clk_get_by_id(SANDBOX_CLK_I2C, &pclk); + ut_assertok(ret); + + ret = sandbox_clk_enable_count(pclk); + ut_asserteq(ret, 1); + + ret = clk_disable(clk); + ut_assertok(ret); + + ret = sandbox_clk_enable_count(clk); + ut_asserteq(ret, 0); + + ret = sandbox_clk_enable_count(pclk); + ut_asserteq(ret, 0); +#endif + return 1; } |