From mboxrd@z Thu Jan 1 00:00:00 1970 From: yuantian.tang@nxp.com (yuantian.tang at nxp.com) Date: Wed, 15 Feb 2017 13:47:35 +0800 Subject: [PATCH 1/2] dt-bindings: qoriq-clock: Add coreclk Message-ID: <1487137656-4006-1-git-send-email-yuantian.tang@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Tang Yuantian ls1012a has separate input root clocks for core PLLs versus the platform PLL, with the latter described as sysclk in the hw docs. Update the qoriq-clock binding to allow a second input clock, named "coreclk". If present, this clock will be used for the core PLLs. Signed-off-by: Scott Wood Signed-off-by: Tang Yuantian --- Documentation/devicetree/bindings/clock/qoriq-clock.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/Documentation/devicetree/bindings/clock/qoriq-clock.txt index df9cb5a..97a9666 100644 --- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt +++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt @@ -55,6 +55,11 @@ Optional properties: - clocks: If clock-frequency is not specified, sysclk may be provided as an input clock. Either clock-frequency or clocks must be provided. + A second input clock, called "coreclk", may be provided if + core PLLs are based on a different input clock from the + platform PLL. +- clock-names: Required if a coreclk is present. Valid names are + "sysclk" and "coreclk". 2. Clock Provider @@ -71,6 +76,7 @@ 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 + 5 coreclk must be 0 3. Example -- 2.1.0.27.g96db324