From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH] clk: qoriq: add more divider clocks support Date: Wed, 8 Nov 2017 16:26:15 +0800 Message-ID: <20171108082615.46769-1-andy.tang@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-clk-owner@vger.kernel.org To: mturquette@baylibre.com Cc: sboyd@codeaurora.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yuantian Tang List-Id: devicetree@vger.kernel.org From: Yuantian Tang More divider clocks are needed by IP. So enlarge the PLL divider array to accommodate more divider clocks. Signed-off-by: Tang Yuantian --- Documentation/devicetree/bindings/clock/qoriq-clock.txt | 1 + drivers/clk/clk-qoriq.c | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/Documentation/devicetree/bindings/clock/qoriq-clock.txt index 6498e1fdbb33..97f46adac85f 100644 --- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt +++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt @@ -78,6 +78,7 @@ second cell is the clock index for the specified type. 2 hwaccel index (n in CLKCGnHWACSR) 3 fman 0 for fm1, 1 for fm2 4 platform pll 0=pll, 1=pll/2, 2=pll/3, 3=pll/4 + 4=pll/5, 5=pll/6, 6=pll/7, 7=pll/8 5 coreclk must be 0 3. Example diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index b0ea753b8709..c2cd3f01fd62 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -41,7 +41,7 @@ struct clockgen_pll_div { }; struct clockgen_pll { - struct clockgen_pll_div div[4]; + struct clockgen_pll_div div[8]; }; #define CLKSEL_VALID 1 @@ -1127,6 +1127,13 @@ static void __init create_one_pll(struct clockgen *cg, int idx) struct clk *clk; int ret; + /* + * For platform PLL, there are 8 divider clocks. + * For core PLL, there are 4 divider clocks at most. + */ + if (i != 0 && i >= 4) + break; + snprintf(pll->div[i].name, sizeof(pll->div[i].name), "cg-pll%d-div%d", idx, i + 1); -- 2.14.1