PLLE fixes for 3.15
Initialize the XUSB-related clocks with appropriate parents and rates for both Tegra114 and Tegra124. Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Currently the Tegra1x4 clock init code hard-codes the mux setting for xusb_hs_src and treats it as a fixed-factor clock. It is, however, a mux which can be parented by either xusb_ss_src/2 or pll_u_60M. Add the fixed-factor clock xusb_ss_div2 and put an entry in periph_clks[] for the xusb_hs_src mux. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
The parent-to-index mapping for xusb_fs_src is incorrect. Fix it by adding a mux table. Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Enable hardware control of PLLE spread-spectrum, IDDQ, and enable controls when enabling PLLE. The hardware (e.g. XUSB) using PLLE will use these controls for power-saving optimizations. Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
The value written to PLLE_AUX was incorrect due to a wrong variable being used. Without this fix SATA does not work. Cc: stable@vger.kernel.org Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com> Tested-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> [mturquette@linaro.org: improved changelog]
The Tegra124 clock driver currently provides 3 clocks that don't actually exist; 2 for NAND and one for UART5/UARTE. Delete these. Cc: <stable@vger.kernel.org> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When enabling the PLLE as its final step, clk_plle_enable() would accidentally OR in the value previously written to the PLLE_SS_CTRL register. Signed-off-by: Thierry Reding <treding@nvidia.com>
Add div{m,n,p}_shift() and div{m,n,p}_mask_shifted() helpers to make the
code that modifies the m-, n- and p-divider fields of PLLs shorter and
easier to read.
Signed-off-by: Thierry Reding <treding@nvidia.com>