[PATCH v5 4/8] clk: starfive: Add Peripheral-1 domain PLL clock driver
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COLD22d
SUPERSEDED: 1 (1M)
From: Changhuang Liang <changhuang.liang@starfivetech.com>
Date: 2026-08-28 09:57:21
Also in:
linux-clk, linux-riscv, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Stephen Boyd, Brian Masney, Jerome Brunet, Linus Torvalds
Status: Superseded by v6 (posted 2026-10-10). [go to v6]
Revision v5 (6 revisions archived); 1 review trailer.
Revisions (6)
Add Peripheral-1 domain PLL clock driver support for StarFive JHB100 SoC. Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com> Reviewed-by: Xingyu Wu <xingyu.wu@starfivetech.com> --- .../clk/starfive/clk-starfive-jhb100-pll.c | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/drivers/clk/starfive/clk-starfive-jhb100-pll.c b/drivers/clk/starfive/clk-starfive-jhb100-pll.c
index f6ebaaf5aa18..eb91131857f1 100644
--- a/drivers/clk/starfive/clk-starfive-jhb100-pll.c
+++ b/drivers/clk/starfive/clk-starfive-jhb100-pll.c@@ -33,6 +33,9 @@ /* Peripheral-0 domain PLL */ #define JHB100_PLL6_OFFSET 0x00 +/* Peripheral-1 domain PLL */ +#define JHB100_PLL7_OFFSET 0x40 + #define JHB100_PLL_CFG0_OFFSET 0x0 #define JHB100_PLL_CFG1_OFFSET 0x4 #define JHB100_PLL_CFG2_OFFSET 0x8
@@ -534,6 +537,28 @@ static const struct jhb100_pll_match_data jhb100_per0_pll = { .num_pll = ARRAY_SIZE(jhb100_per0_pll_info), }; +static const struct jhb100_pll_preset jhb100_pll7_presets[] = { + { + .freq = 1950000000, + .fbdiv = 156, + .frac = 0, + .refdiv = 1, + .postdiv = 0, + .foutpostdiv_en = 1, + .foutvcop_en = 0, + }, +}; + +static const struct jhb100_pll_info jhb100_per1_pll_info[] = { + JHB100_PLL(JHB100_PER1PLL_PLL7_OUT, "pll7_out", jhb100_pll7_presets, + ARRAY_SIZE(jhb100_pll7_presets), JHB100_PLL7_OFFSET, false), +}; + +static const struct jhb100_pll_match_data jhb100_per1_pll = { + .pll_info = jhb100_per1_pll_info, + .num_pll = ARRAY_SIZE(jhb100_per1_pll_info), +}; + static const struct platform_device_id jhb100_pll_ids[] = { { .name = "jhb100-sys0-pll",
@@ -548,6 +573,10 @@ static const struct of_device_id jhb100_pll_match[] = { .compatible = "starfive,jhb100-per0-syscon", .data = &jhb100_per0_pll, }, + { + .compatible = "starfive,jhb100-per1-syscon", + .data = &jhb100_per1_pll, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, jhb100_pll_match);
--
2.25.1