Re: [PATCH v6 4/8] clk: rockchip: Add support for hclk_sfc on rk3036

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Hi Jon,

For rk3036 we might need another fix added to this serie as well.

clk: rockchip: rk3036: fix up the sclk_sfc parent error
https://github.com/rockchip-linux/kernel/commit/100718ef0d44872db1672b6a88030374c0d1613b

===
Add more people for clk driver changes:

M:	Michael Turquette <mturquette@xxxxxxxxxxxx>
M:	Stephen Boyd <sboyd@xxxxxxxxxx>
L:	linux-clk@xxxxxxxxxxxxxxx

===

Johan

On 6/8/21 4:26 AM, Jon Lin wrote:

> From: Chris Morgan <macromorgan@xxxxxxxxxxx>

From: Randy Li <randy.li@xxxxxxxxxxxxxx>

> 
> Add support for the bus clock for the serial flash controller on the
> rk3036. Taken from the Rockchip BSP kernel but not tested on real
> hardware (as I lack a 3036 based SoC to test).
> 

Signed-off-by: Randy Li <randy.li@xxxxxxxxxxxxxx>

Maybe give credit to the original author?
clk: rockchip: rk3036: export the sfc clocks
https://github.com/rockchip-linux/kernel/commit/600925e8ef6edbdda0a4ac6b3c55b0199be1e03e

> Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
> Signed-off-by: Jon Lin <jon.lin@xxxxxxxxxxxxxx>
> ---
> 
> Changes in v6: None
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None
> Changes in v1: None
> 
>  drivers/clk/rockchip/clk-rk3036.c      | 2 +-
>  include/dt-bindings/clock/rk3036-cru.h | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c
> index 91d56ad45817..ebb628733f6d 100644
> --- a/drivers/clk/rockchip/clk-rk3036.c
> +++ b/drivers/clk/rockchip/clk-rk3036.c
> @@ -403,7 +403,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
>  	GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
>  	GATE(HCLK_OTG1, "hclk_otg1", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 3, GFLAGS),
>  	GATE(HCLK_I2S, "hclk_i2s", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),

> -	GATE(0, "hclk_sfc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
> +	GATE(HCLK_SFC, "hclk_sfc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),

Maybe CLK_IGNORE_UNUSED should be changed to 0 ?

>  	GATE(HCLK_MAC, "hclk_mac", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
>  
>  	/* pclk_peri gates */
> diff --git a/include/dt-bindings/clock/rk3036-cru.h b/include/dt-bindings/clock/rk3036-cru.h
> index 35a5a01f9697..a96a9870ad59 100644
> --- a/include/dt-bindings/clock/rk3036-cru.h
> +++ b/include/dt-bindings/clock/rk3036-cru.h
> @@ -81,6 +81,7 @@
>  #define HCLK_OTG0		449
>  #define HCLK_OTG1		450
>  #define HCLK_NANDC		453
> +#define HCLK_SFC		454
>  #define HCLK_SDMMC		456
>  #define HCLK_SDIO		457
>  #define HCLK_EMMC		459
> 



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