[U-Boot] [PATCH 1/1] clk: rockchip: rk3328: Configure CPU clock

Simon South simon at simonsouth.net
Thu Oct 10 19:28:36 UTC 2019


Add a call to rk3328_configure_cpu() during initialization to set the
CPU-clock frequency.

Signed-off-by: Simon South <simon at simonsouth.net>
---
 arch/arm/include/asm/arch-rockchip/cru_rk3328.h | 3 +++
 drivers/clk/rockchip/clk_rk3328.c               | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3328.h b/arch/arm/include/asm/arch-rockchip/cru_rk3328.h
index 15b9788d9c..4bf69dbe08 100644
--- a/arch/arm/include/asm/arch-rockchip/cru_rk3328.h
+++ b/arch/arm/include/asm/arch-rockchip/cru_rk3328.h
@@ -66,4 +66,7 @@ enum apll_frequencies {
 	APLL_600_MHZ,
 };
 
+void rk3328_configure_cpu(struct rk3328_cru *cru,
+			  enum apll_frequencies apll_freq);
+
 #endif	/* __ASM_ARCH_CRU_RK3328_H_ */
diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c
index a89e2ecc4a..4331048a87 100644
--- a/drivers/clk/rockchip/clk_rk3328.c
+++ b/drivers/clk/rockchip/clk_rk3328.c
@@ -282,6 +282,8 @@ static void rkclk_init(struct rk3328_cru *cru)
 	u32 hclk_div;
 	u32 pclk_div;
 
+	rk3328_configure_cpu(cru, APLL_600_MHZ);
+
 	/* configure gpll cpll */
 	rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg);
 	rkclk_set_pll(cru, CLK_CODEC, &cpll_init_cfg);
-- 
2.23.0



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