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clk: mediatek: mt7981: convert CLK_XTAL to CLK_PAD_CLK40M

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Replace all uses of CLK_XTAL with CLK_PAD_CLK40M.

This will eventually let us remove CLK_PARENT_XTAL completely.

Reviewed-by: Julien Stephan <jstephan@baylibre.com>
Link: https://patch.msgid.link/20260310-clk-mtk-parent-cleanup-v1-5-66175ca8f637@baylibre.com
Signed-off-by: David Lechner <dlechner@baylibre.com>
This commit is contained in:
David Lechner 2026-03-10 10:32:18 -05:00
parent 57a3c93336
commit ca0d2abc27
1 changed files with 15 additions and 2 deletions
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17
drivers/clk/mediatek/clk-mt7981.c
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@ -18,8 +18,16 @@
#define MT7981_CLK_PDN 0x250
#define MT7981_CLK_PDN_EN_WRITE BIT(31)
enum {
CLK_PAD_CLK40M,
};
static const ulong ext_clock_rates[] = {
[CLK_PAD_CLK40M] = 40 * MHZ,
};
#define FIXED_CLK0(_id, _rate) \
FIXED_CLK(_id, CLK_XTAL, CLK_PARENT_XTAL, _rate)
FIXED_CLK(_id, CLK_PAD_CLK40M, CLK_PARENT_EXT, _rate)
#define PLL_FACTOR(_id, _name, _parent, _mult, _div) \
FACTOR(_id, _parent, _mult, _div, CLK_PARENT_APMIXED)
@ -609,13 +617,16 @@ static const struct mtk_gate infracfg_gates[] = {
};
static const struct mtk_clk_tree mt7981_fixed_pll_clk_tree = {
.ext_clk_rates = ext_clock_rates,
.num_ext_clks = ARRAY_SIZE(ext_clock_rates),
.fdivs_offs = CLK_APMIXED_NR_CLK,
.xtal_rate = 40 * MHZ,
.fclks = fixed_pll_clks,
.num_fclks = ARRAY_SIZE(fixed_pll_clks),
};
static const struct mtk_clk_tree mt7981_topckgen_clk_tree = {
.ext_clk_rates = ext_clock_rates,
.num_ext_clks = ARRAY_SIZE(ext_clock_rates),
.fdivs_offs = CLK_TOP_CB_M_416M,
.muxes_offs = CLK_TOP_NFI1X_SEL,
.fclks = top_fixed_clks,
@ -628,6 +639,8 @@ static const struct mtk_clk_tree mt7981_topckgen_clk_tree = {
};
static const struct mtk_clk_tree mt7981_infracfg_clk_tree = {
.ext_clk_rates = ext_clock_rates,
.num_ext_clks = ARRAY_SIZE(ext_clock_rates),
.fdivs_offs = CLK_INFRA_66M_MCK,
.muxes_offs = CLK_INFRA_UART0_SEL,
.gates_offs = CLK_INFRA_GPT_STA,