rk3399.dtsi from linux v5.19 and newer try to set VDU clock rate to 400 MHz using an assigned-clock-rates prop of the CRU node.
U-Boot does not use or need this clock so add dummy support for getting and setting ACLK_VDU clock rate to allow CRU driver to be loaded with an updated rk3399.dtsi.
Signed-off-by: Jonas Karlman jonas@kwiboo.se Reviewed-by: Kever Yang kever.yang@rock-chips.com --- v2: Collect r-b tag --- drivers/clk/rockchip/clk_rk3399.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index f0ce54067f8c..5934771b4096 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -971,6 +971,7 @@ static ulong rk3399_clk_get_rate(struct clk *clk) case ACLK_HDCP: case ACLK_GIC_PRE: case PCLK_DDR: + case ACLK_VDU: break; case PCLK_ALIVE: case PCLK_WDT: @@ -1061,6 +1062,7 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate) case ACLK_HDCP: case ACLK_GIC_PRE: case PCLK_DDR: + case ACLK_VDU: return 0; default: log_debug("Unknown clock %lu\n", clk->id);