On Mon, Mar 19, 2018 at 04:11:07PM +0800, Icenowy Zheng wrote:
> The Allwinner H6 CCU has a "HDMI Slow Clock", which is currently missing
> in the ccu-sun50i-h6 driver.
>
> Add this missing clock to the driver.
>
> Fixes: 542353ea ("clk: sunxi-ng: add support for the Allwinner H6 CCU")
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> ---
> drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 4 ++++
> drivers/clk/sunxi-ng/ccu-sun50i-h6.h | 2 +-
> include/dt-bindings/clock/sun50i-h6-ccu.h | 1 +
> 3 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> index d5eab49e6350..bdbfe78fe133 100644
> --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
> @@ -643,6 +643,8 @@ static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents, 0xb00,
> BIT(31), /* gate */
> 0);
>
> +static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0xb04, BIT(31), 0);
> +
> static const char * const hdmi_cec_parents[] = { "osc32k", "pll-periph0-2x" };
> static const struct ccu_mux_fixed_prediv hdmi_cec_predivs[] = {
> { .index = 1, .div = 36621 },
> @@ -876,6 +878,7 @@ static struct ccu_common *sun50i_h6_ccu_clks[] = {
> &pcie_aux_clk.common,
> &bus_pcie_clk.common,
> &hdmi_clk.common,
> + &hdmi_slow_clk.common,
> &hdmi_cec_clk.common,
> &bus_hdmi_clk.common,
> &bus_tcon_top_clk.common,
> @@ -1017,6 +1020,7 @@ static struct clk_hw_onecell_data sun50i_h6_hw_clks = {
> [CLK_PCIE_AUX] = &pcie_aux_clk.common.hw,
> [CLK_BUS_PCIE] = &bus_pcie_clk.common.hw,
> [CLK_HDMI] = &hdmi_clk.common.hw,
> + [CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw,
> [CLK_HDMI_CEC] = &hdmi_cec_clk.common.hw,
> [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
> [CLK_BUS_TCON_TOP] = &bus_tcon_top_clk.common.hw,
> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.h b/drivers/clk/sunxi-ng/ccu-sun50i-h6.h
> index ad6da4aa733c..ef499a7d45f2 100644
> --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.h
> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.h
> @@ -51,6 +51,6 @@
>
> #define CLK_BUS_DRAM 60
>
> -#define CLK_NUMBER 137
> +#define CLK_NUMBER (CLK_HDMI_SLOW + 1)
>
> #endif /* _CCU_SUN50I_H6_H_ */
> diff --git a/include/dt-bindings/clock/sun50i-h6-ccu.h b/include/dt-bindings/clock/sun50i-h6-ccu.h
> index 6045735a2821..205d09d3dc72 100644
> --- a/include/dt-bindings/clock/sun50i-h6-ccu.h
> +++ b/include/dt-bindings/clock/sun50i-h6-ccu.h
> @@ -107,6 +107,7 @@
> #define CLK_PCIE_AUX 121
> #define CLK_BUS_PCIE 122
> #define CLK_HDMI 123
> +#define CLK_HDMI_SLOW 137
It's not been in a release yet, so we can just change the other IDs.
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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