From mboxrd@z Thu Jan 1 00:00:00 1970 From: Giulio Benetti Date: Wed, 4 Dec 2019 18:44:25 +0100 Subject: [PATCH 06/20] clk: imx: pllv3: add disable() support In-Reply-To: <20191204174439.69934-1-giulio.benetti@benettiengineering.com> References: <20191204174439.69934-1-giulio.benetti@benettiengineering.com> Message-ID: <20191204174439.69934-7-giulio.benetti@benettiengineering.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add disable() support. Signed-off-by: Giulio Benetti --- drivers/clk/imx/clk-pllv3.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index d8cbe3dd4e..9b37cd9cd9 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -54,9 +54,25 @@ static int clk_pllv3_generic_enable(struct clk *clk) return 0; } +static int clk_pllv3_generic_disable(struct clk *clk) +{ + struct clk_pllv3 *pll = to_clk_pllv3(clk); + u32 val; + + val = readl(pll->base); + if (pll->powerup_set) + val &= ~pll->power_bit; + else + val |= pll->power_bit; + writel(val, pll->base); + + return 0; +} + static const struct clk_ops clk_pllv3_generic_ops = { .get_rate = clk_pllv3_generic_get_rate, .enable = clk_pllv3_generic_enable, + .disable = clk_pllv3_generic_disable, }; struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, -- 2.20.1