Create a version of this driver for sandbox so that it can use the of-platdata struct.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v1)
arch/sandbox/dts/sandbox.dtsi | 2 +- arch/sandbox/include/asm/clk.h | 8 ++++++++ drivers/clk/clk_sandbox.c | 33 +++++++++++++++++++++++++++++++++ test/dm/of_platdata.c | 2 +- 4 files changed, 43 insertions(+), 2 deletions(-)
diff --git a/arch/sandbox/dts/sandbox.dtsi b/arch/sandbox/dts/sandbox.dtsi index 7455c99a739..5bf84451c99 100644 --- a/arch/sandbox/dts/sandbox.dtsi +++ b/arch/sandbox/dts/sandbox.dtsi @@ -31,7 +31,7 @@
clk_fixed: clk-fixed { u-boot,dm-pre-reloc; - compatible = "fixed-clock"; + compatible = "sandbox,fixed-clock"; #clock-cells = <0>; clock-frequency = <1234>; }; diff --git a/arch/sandbox/include/asm/clk.h b/arch/sandbox/include/asm/clk.h index a566874d606..92f59a8e841 100644 --- a/arch/sandbox/include/asm/clk.h +++ b/arch/sandbox/include/asm/clk.h @@ -61,6 +61,14 @@ struct sandbox_clk_test { struct clk_bulk bulk; };
+/* Platform data for the sandbox fixed-rate clock driver */ +struct sandbox_clk_fixed_rate_plat { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_sandbox_fixed_clock dtplat; +#endif + struct clk_fixed_rate fixed; +}; + /** * sandbox_clk_query_rate - Query the current rate of a sandbox clock. * diff --git a/drivers/clk/clk_sandbox.c b/drivers/clk/clk_sandbox.c index e1313f6d880..57acf7d8553 100644 --- a/drivers/clk/clk_sandbox.c +++ b/drivers/clk/clk_sandbox.c @@ -9,6 +9,7 @@ #include <errno.h> #include <malloc.h> #include <asm/clk.h> +#include <linux/clk-provider.h>
static ulong sandbox_clk_get_rate(struct clk *clk) { @@ -171,3 +172,35 @@ int sandbox_clk_query_requested(struct udevice *dev, int id) return -EINVAL; return priv->requested[id]; } + +int clk_fixed_rate_of_to_plat(struct udevice *dev) +{ + struct clk_fixed_rate *cplat; + +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct sandbox_clk_fixed_rate_plat *plat = dev_get_plat(dev); + + cplat = &plat->fixed; + cplat->fixed_rate = plat->dtplat.clock_frequency; +#else + cplat = to_clk_fixed_rate(dev); +#endif + clk_fixed_rate_ofdata_to_plat_(dev, cplat); + + return 0; +} + +static const struct udevice_id sandbox_clk_fixed_rate_match[] = { + { .compatible = "sandbox,fixed-clock" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sandbox_fixed_clock) = { + .name = "sandbox_fixed_clock", + .id = UCLASS_CLK, + .of_match = sandbox_clk_fixed_rate_match, + .of_to_plat = clk_fixed_rate_of_to_plat, + .plat_auto = sizeof(struct sandbox_clk_fixed_rate_plat), + .ops = &clk_fixed_rate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/test/dm/of_platdata.c b/test/dm/of_platdata.c index 26c50922c56..f93a75b4481 100644 --- a/test/dm/of_platdata.c +++ b/test/dm/of_platdata.c @@ -184,7 +184,7 @@ static int dm_test_of_plat_phandle(struct unit_test_state *uts) plat = dev_get_plat(dev);
ut_assertok(device_get_by_driver_info_idx(plat->clocks[0].idx, &clk)); - ut_asserteq_str("fixed_clock", clk->name); + ut_asserteq_str("sandbox_fixed_clock", clk->name);
ut_assertok(device_get_by_driver_info_idx(plat->clocks[1].idx, &clk)); ut_asserteq_str("sandbox_clk", clk->name);