linux-kernel - [PATCH 1/3] clk: rockchip: add video clk parents for rk3399

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Date:   Sun,  6 Jan 2019 01:48:35 +0800
From:   Randy Li <ayaka@...lik.info>
To:     linux-rockchip@...ts.infradead.org
Cc:     Randy Li <ayaka@...lik.info>, mturquette@...libre.com,
        sboyd@...nel.org, heiko@...ech.de,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        ulf.hansson@...aro.org, zhangqing@...k-chips.com,
        geert+renesas@...der.be
Subject: [PATCH 1/3] clk: rockchip: add video clk parents for rk3399

Video codec won't work properly with a clock too low nor
too high. We need to export them, allowing the device
tree to assign a suitable clocks for them.

Signed-off-by: Randy Li <ayaka@...lik.info>
---
 drivers/clk/rockchip/clk-rk3399.c      | 5 +++--
 include/dt-bindings/clock/rk3399-cru.h | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c
index 5a628148f3f0..fe6cebcb26b6 100644
--- a/drivers/clk/rockchip/clk-rk3399.c
+++ b/drivers/clk/rockchip/clk-rk3399.c
@@ -740,7 +740,8 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
 			RK3399_CLKGATE_CON(15), 6, GFLAGS),
 
 	/* vcodec */
-	COMPOSITE(0, "aclk_vcodec_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0,
+	COMPOSITE(ACLK_VCODEC_PRE, "aclk_vcodec_pre",
+			mux_pll_src_cpll_gpll_npll_ppll_p, 0,
 			RK3399_CLKSEL_CON(7), 6, 2, MFLAGS, 0, 5, DFLAGS,
 			RK3399_CLKGATE_CON(4), 0, GFLAGS),
 	COMPOSITE_NOMUX(0, "hclk_vcodec_pre", "aclk_vcodec_pre", 0,
@@ -764,7 +765,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
 			RK3399_CLKSEL_CON(9), 14, 2, MFLAGS, 8, 5, DFLAGS,
 			RK3399_CLKGATE_CON(4), 5, GFLAGS),
 
-	COMPOSITE(0, "aclk_vdu_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0,
+	COMPOSITE(ACLK_VDU_PRE, "aclk_vdu_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0,
 			RK3399_CLKSEL_CON(8), 6, 2, MFLAGS, 0, 5, DFLAGS,
 			RK3399_CLKGATE_CON(4), 2, GFLAGS),
 	COMPOSITE_NOMUX(0, "hclk_vdu_pre", "aclk_vdu_pre", 0,
diff --git a/include/dt-bindings/clock/rk3399-cru.h b/include/dt-bindings/clock/rk3399-cru.h
index 22cb1dfa9004..dd13554aaf76 100644
--- a/include/dt-bindings/clock/rk3399-cru.h
+++ b/include/dt-bindings/clock/rk3399-cru.h
@@ -219,6 +219,8 @@
 #define ACLK_GIC_PRE			262
 #define ACLK_VOP0_PRE			263
 #define ACLK_VOP1_PRE			264
+#define ACLK_VCODEC_PRE			265
+#define ACLK_VDU_PRE			266
 
 /* pclk gates */
 #define PCLK_PERIHP			320
-- 
2.20.1