On Fri, Jul 24, 2015 at 11:02 AM, James Liao <jamesjj.liao@xxxxxxxxxxxx> wrote:
> Remove the dependency from clk_null, and give all root clocks a
> typical rate, include clkph_mck_o, usb_syspll_125m and hdmitx_dig_cts.
>
> dpi_ck was removed due to no clock reference to it.
>
> Replace parent clock of infra_cpum with cpum_ck, which is an external
> clock and can be defined in the deivce tree.
>
> Signed-off-by: James Liao <jamesjj.liao@xxxxxxxxxxxx>
> ---
> drivers/clk/mediatek/clk-mt8173.c | 13 ++++++-------
> include/dt-bindings/clock/mt8173-clk.h | 1 -
> 2 files changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
> index 4b9e04c..50b3266 100644
> --- a/drivers/clk/mediatek/clk-mt8173.c
> +++ b/drivers/clk/mediatek/clk-mt8173.c
> @@ -24,11 +24,9 @@
>
> static DEFINE_SPINLOCK(mt8173_clk_lock);
>
> -static const struct mtk_fixed_factor root_clk_alias[] __initconst = {
> - FACTOR(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk_null", 1, 1),
> - FACTOR(CLK_TOP_DPI, "dpi_ck", "clk_null", 1, 1),
> - FACTOR(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk_null", 1, 1),
> - FACTOR(CLK_TOP_HDMITX_DIG_CTS, "hdmitx_dig_cts", "clk_null", 1, 1),
> +static const struct mtk_fixed_clk fixed_clks[] __initconst = {
> + FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", 400 * MHZ),
> + FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ),
> };
>
> static const struct mtk_fixed_factor top_divs[] __initconst = {
> @@ -53,6 +51,7 @@ static const struct mtk_fixed_factor top_divs[] __initconst = {
> FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793),
> FACTOR(CLK_TOP_FPC, "fpc_ck", "clk26m", 1, 1),
>
> + FACTOR(CLK_TOP_HDMITX_DIG_CTS, "hdmitx_dig_cts", "tvdpll_445p5m", 1, 3),
> FACTOR(CLK_TOP_HDMITXPLL_D2, "hdmitxpll_d2", "hdmitx_dig_cts", 1, 2),
> FACTOR(CLK_TOP_HDMITXPLL_D3, "hdmitxpll_d3", "hdmitx_dig_cts", 1, 3),
>
> @@ -611,7 +610,7 @@ static const struct mtk_gate infra_clks[] __initconst = {
> GATE_ICG(CLK_INFRA_GCE, "infra_gce", "axi_sel", 6),
> GATE_ICG(CLK_INFRA_L2C_SRAM, "infra_l2c_sram", "axi_sel", 7),
> GATE_ICG(CLK_INFRA_M4U, "infra_m4u", "mem_sel", 8),
> - GATE_ICG(CLK_INFRA_CPUM, "infra_cpum", "clk_null", 15),
> + GATE_ICG(CLK_INFRA_CPUM, "infra_cpum", "cpum_ck", 15),
> GATE_ICG(CLK_INFRA_KP, "infra_kp", "axi_sel", 16),
> GATE_ICG(CLK_INFRA_CEC, "infra_cec", "clk26m", 18),
> GATE_ICG(CLK_INFRA_PMICSPI, "infra_pmicspi", "pmicspi_sel", 22),
> @@ -714,7 +713,7 @@ static void __init mtk_topckgen_init(struct device_node *node)
>
> clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
>
> - mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data);
> + mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
> mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
> mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base,
> &mt8173_clk_lock, clk_data);
> diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h
> index 4ad76ed..7230c38 100644
> --- a/include/dt-bindings/clock/mt8173-clk.h
> +++ b/include/dt-bindings/clock/mt8173-clk.h
> @@ -18,7 +18,6 @@
> /* TOPCKGEN */
>
> #define CLK_TOP_CLKPH_MCK_O 1
> -#define CLK_TOP_DPI 2
> #define CLK_TOP_USB_SYSPLL_125M 3
I think we should renumber the rest of the CLK_TOP_*
> #define CLK_TOP_HDMITX_DIG_CTS 4
> #define CLK_TOP_ARMCA7PLL_754M 5
> --
> 1.8.1.1.dirty
>
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