[PATCH v3 1/2] clk: rockchip: rk3128: Fix aclk_peri_src's parent

From: Alex Bee
Date: Mon Nov 27 2023 - 13:14:57 EST


From: Finley Xiao <finley.xiao@xxxxxxxxxxxxxx>

According to the TRM there are no specific gpll_peri, cpll_peri,
gpll_div2_peri or gpll_div3_peri gates, but a single clk_peri_src gate.
Instead mux_clk_peri_src directly connects to the plls respectively the pll
divider clocks.
Fix this by creating a single gated composite.

Also rename all occurrences of aclk_peri_src to clk_peri_src, since it
is the parent for peri aclks, pclks and hclks. That name also matches
the one used in the TRM.

Fixes: f6022e88faca ("clk: rockchip: add clock controller for rk3128")
Signed-off-by: Finley Xiao <finley.xiao@xxxxxxxxxxxxxx>
[renamed aclk_peri_src -> clk_peri_src and added commit message]
Signed-off-by: Alex Bee <knaerzche@xxxxxxxxx>
---
drivers/clk/rockchip/clk-rk3128.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/clk/rockchip/clk-rk3128.c b/drivers/clk/rockchip/clk-rk3128.c
index aa53797dbfc1..fcacfe758829 100644
--- a/drivers/clk/rockchip/clk-rk3128.c
+++ b/drivers/clk/rockchip/clk-rk3128.c
@@ -138,7 +138,7 @@ PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480
PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" };
PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" };

-PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
+PNAME(mux_clk_peri_src_p) = { "gpll", "cpll", "gpll_div2", "gpll_div3" };
PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" };
PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
@@ -275,23 +275,17 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
RK2928_CLKGATE_CON(0), 11, GFLAGS),

/* PD_PERI */
- GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
+ COMPOSITE(0, "clk_peri_src", mux_clk_peri_src_p, 0,
+ RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(2), 0, GFLAGS),
- GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
- RK2928_CLKGATE_CON(2), 0, GFLAGS),
- GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
- RK2928_CLKGATE_CON(2), 0, GFLAGS),
- GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
- RK2928_CLKGATE_CON(2), 0, GFLAGS),
- COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
- RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
- COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
+
+ COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "clk_peri_src", 0,
RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
RK2928_CLKGATE_CON(2), 3, GFLAGS),
- COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
+ COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "clk_peri_src", 0,
RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
RK2928_CLKGATE_CON(2), 2, GFLAGS),
- GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
+ GATE(ACLK_PERI, "aclk_peri", "clk_peri_src", 0,
RK2928_CLKGATE_CON(2), 1, GFLAGS),

GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
--
2.43.0