From 0a2cd71e3b16eaa8797b5eec78356970186e552e Mon Sep 17 00:00:00 2001 From: Weijie Gao Date: Wed, 31 Aug 2022 19:05:11 +0800 Subject: [PATCH 25/32] clk: mediatek: add CLK_XTAL support for clock driver This adds the CLK_XTAL macro/flag to allow modeling clocks which are directly connected to the xtal clock. Signed-off-by: Weijie Gao --- drivers/clk/mediatek/clk-mtk.c | 4 ++++ drivers/clk/mediatek/clk-mtk.h | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -296,6 +296,7 @@ static ulong mtk_topckgen_get_factor_rat rate = mtk_clk_find_parent_rate(clk, fdiv->parent, NULL); break; + case CLK_PARENT_XTAL: default: rate = priv->tree->xtal_rate; } @@ -314,6 +315,9 @@ static ulong mtk_infrasys_get_factor_rat rate = mtk_clk_find_parent_rate(clk, fdiv->parent, priv->parent); break; + case CLK_PARENT_XTAL: + rate = priv->tree->xtal_rate; + break; default: rate = mtk_clk_find_parent_rate(clk, fdiv->parent, NULL); } --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -29,7 +29,8 @@ #define CLK_PARENT_APMIXED BIT(4) #define CLK_PARENT_TOPCKGEN BIT(5) #define CLK_PARENT_INFRASYS BIT(6) -#define CLK_PARENT_MASK GENMASK(6, 4) +#define CLK_PARENT_XTAL BIT(7) +#define CLK_PARENT_MASK GENMASK(7, 4) #define ETHSYS_HIFSYS_RST_CTRL_OFS 0x34