diff options
| author | Elaine Zhang <zhangqing@rock-chips.com> | 2022-10-18 18:14:02 +0300 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2022-11-14 17:33:45 +0300 |
| commit | cf87691f143e6cc5727767b02ec2be3725534a5d (patch) | |
| tree | f5530ec60fe2a2a6df7b248ea1c7942252a21d64 /drivers/clk/rockchip/clk-cpu.c | |
| parent | 4f5ca304f202938a07eb0c2e20551795286d817d (diff) | |
| download | linux-cf87691f143e6cc5727767b02ec2be3725534a5d.tar.xz | |
clk: rockchip: add register offset of the cores select parent
The cores select parent register is special on RK3588.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20221018151407.63395-5-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'drivers/clk/rockchip/clk-cpu.c')
| -rw-r--r-- | drivers/clk/rockchip/clk-cpu.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c index 47288197c9d7..11aa2259b532 100644 --- a/drivers/clk/rockchip/clk-cpu.c +++ b/drivers/clk/rockchip/clk-cpu.c @@ -166,10 +166,16 @@ static int rockchip_cpuclk_pre_rate_change(struct rockchip_cpuclk *cpuclk, } } /* select alternate parent */ - writel(HIWORD_UPDATE(reg_data->mux_core_alt, - reg_data->mux_core_mask, - reg_data->mux_core_shift), - cpuclk->reg_base + reg_data->core_reg[0]); + if (reg_data->mux_core_reg) + writel(HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->mux_core_reg); + else + writel(HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->core_reg[0]); spin_unlock_irqrestore(cpuclk->lock, flags); return 0; @@ -202,10 +208,16 @@ static int rockchip_cpuclk_post_rate_change(struct rockchip_cpuclk *cpuclk, * primary parent by the extra dividers that were needed for the alt. */ - writel(HIWORD_UPDATE(reg_data->mux_core_main, - reg_data->mux_core_mask, - reg_data->mux_core_shift), - cpuclk->reg_base + reg_data->core_reg[0]); + if (reg_data->mux_core_reg) + writel(HIWORD_UPDATE(reg_data->mux_core_main, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->mux_core_reg); + else + writel(HIWORD_UPDATE(reg_data->mux_core_main, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->core_reg[0]); /* remove dividers */ for (i = 0; i < reg_data->num_cores; i++) { |