diff options
| author | Samuel Holland <samuel@sholland.org> | 2022-02-02 20:17:36 -0600 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-03-23 19:58:38 +0100 |
| commit | 1738890a3165ccd0da98ebd3e2d5f9b230d5afa8 (patch) | |
| tree | 94568120b3c194eac5559c2bfa9f776c0613b82b | |
| parent | d91612d7f01aca454469976d25db761c5085ae4d (diff) | |
| download | linux-1738890a3165ccd0da98ebd3e2d5f9b230d5afa8.tar.gz | |
clk: sunxi-ng: sun6i-rtc: Add support for H6
H6 supports IOSC calibration and an ext-osc32k input. Unlike newer SoCs,
it has a single parent for its fanout clock.
Add support for H6 in the CCU driver, replacing the support in the
existing early OF clock provider.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220203021736.13434-7-samuel@sholland.org
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu-sun6i-rtc.c | 15 | ||||
| -rw-r--r-- | drivers/rtc/rtc-sun6i.c | 17 |
2 files changed, 15 insertions, 17 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c index a39670a7c446..712fda22efd5 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c @@ -295,6 +295,10 @@ static const struct sunxi_ccu_desc sun6i_rtc_ccu_desc = { .hw_clks = &sun6i_rtc_ccu_hw_clks, }; +static const struct clk_parent_data sun50i_h6_osc32k_fanout_parents[] = { + { .hw = &osc32k_clk.common.hw }, +}; + static const struct clk_parent_data sun50i_h616_osc32k_fanout_parents[] = { { .hw = &osc32k_clk.common.hw }, { .fw_name = "pll-32k" }, @@ -307,6 +311,13 @@ static const struct clk_parent_data sun50i_r329_osc32k_fanout_parents[] = { { .hw = &osc24M_32k_clk.common.hw } }; +static const struct sun6i_rtc_match_data sun50i_h6_rtc_ccu_data = { + .have_ext_osc32k = true, + .have_iosc_calibration = true, + .osc32k_fanout_parents = sun50i_h6_osc32k_fanout_parents, + .osc32k_fanout_nparents = ARRAY_SIZE(sun50i_h6_osc32k_fanout_parents), +}; + static const struct sun6i_rtc_match_data sun50i_h616_rtc_ccu_data = { .have_iosc_calibration = true, .rtc_32k_single_parent = true, @@ -322,6 +333,10 @@ static const struct sun6i_rtc_match_data sun50i_r329_rtc_ccu_data = { static const struct of_device_id sun6i_rtc_ccu_match[] = { { + .compatible = "allwinner,sun50i-h6-rtc", + .data = &sun50i_h6_rtc_ccu_data, + }, + { .compatible = "allwinner,sun50i-h616-rtc", .data = &sun50i_h616_rtc_ccu_data, }, diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index 5252ce4cbda4..5b3e4da63406 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c @@ -370,23 +370,6 @@ CLK_OF_DECLARE_DRIVER(sun8i_h3_rtc_clk, "allwinner,sun8i-h3-rtc", CLK_OF_DECLARE_DRIVER(sun50i_h5_rtc_clk, "allwinner,sun50i-h5-rtc", sun8i_h3_rtc_clk_init); -static const struct sun6i_rtc_clk_data sun50i_h6_rtc_data = { - .rc_osc_rate = 16000000, - .fixed_prescaler = 32, - .has_prescaler = 1, - .has_out_clk = 1, - .export_iosc = 1, - .has_losc_en = 1, - .has_auto_swt = 1, -}; - -static void __init sun50i_h6_rtc_clk_init(struct device_node *node) -{ - sun6i_rtc_clk_init(node, &sun50i_h6_rtc_data); -} -CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_clk, "allwinner,sun50i-h6-rtc", - sun50i_h6_rtc_clk_init); - /* * The R40 user manual is self-conflicting on whether the prescaler is * fixed or configurable. The clock diagram shows it as fixed, but there |