linux-kernel - Re: [PATCH v4 0/4] rockchip: add GATE

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Message-ID: <b0af9e04bafb07e8a73e8f242a4ff556.sboyd@kernel.org>
Date:   Mon, 23 Oct 2023 18:47:17 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     conor+dt@...nel.org, heiko@...ech.de, kever.yang@...k-chips.com,
        krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
        robh+dt@...nel.org, zhangqing@...k-chips.com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-kernel@...r.kernel.org, huangtao@...k-chips.com,
        andy.yan@...k-chips.com
Subject: Re: [PATCH v4 0/4] rockchip: add GATE_LINK

Quoting Elaine Zhang (2023-10-18 00:01:40)
> Recent Rockchip SoCs have a new hardware block called Native Interface
> Unit (NIU), which gates clocks to devices behind them. These effectively
> need two parent clocks.
> Use GATE_LINK to handle this.

Why can't pm clks be used here? The qcom clk driver has been doing that
for some time now. 

 $ git grep pm_clk_add -- drivers/clk/qcom/