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2021-07-16clk: rockchip: Add support for hclk_sfc on rk3036Jon Lin1-1/+1
Add support for the bus clock for the serial flash controller on the rk3036. Taken from the Rockchip BSP kernel but not tested on real hardware (as I lack a 3036 based SoC to test). Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Signed-off-by: Jon Lin <jon.lin@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210713094718.1709-2-jon.lin@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-16clk: rockchip: rk3036: fix up the sclk_sfc parent errorJon Lin1-1/+2
Choose the correct pll Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Jon Lin <jon.lin@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210713094456.23288-5-jon.lin@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-05-28clk: rockchip: export ACLK_VCODEC for RK3036Alex Bee1-1/+1
It is required for the series at [1] to let hantro driver aquire the clock and set the rate for RK3036 correctly, but I didn't want to add a patch for yet another subsystem to this series. [1] https://lore.kernel.org/linux-media/20210525152225.154302-1-knaerzche@gmail.com/ Signed-off-by: Alex Bee <knaerzche@gmail.com> Link: https://lore.kernel.org/r/20210528140736.79686-1-knaerzche@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-03-21clk: rockchip: support more core div settingElaine Zhang1-3/+4
Use arrays to support more core independent div settings. A55 supports each core to work at different frequencies, and each core has an independent divider control. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20210315085608.16010-4-zhangqing@rock-chips.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157Thomas Gleixner1-10/+1
Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-15clk: Remove io.h from clk-provider.hStephen Boyd1-0/+1
Now that we've gotten rid of clk_readl() we can remove io.h from the clk-provider header and push out the io.h include to any code that isn't already including the io.h header but using things like readl/writel, etc. Found with this grep: git grep -l clk-provider.h | grep '.c$' | xargs git grep -L 'linux/io.h' | \ xargs git grep -l \ -e '\<__iowrite32_copy\>' --or \ -e '\<__ioread32_copy\>' --or \ -e '\<__iowrite64_copy\>' --or \ -e '\<ioremap_page_range\>' --or \ -e '\<ioremap_huge_init\>' --or \ -e '\<arch_ioremap_pud_supported\>' --or \ -e '\<arch_ioremap_pmd_supported\>' --or \ -e '\<devm_ioport_map\>' --or \ -e '\<devm_ioport_unmap\>' --or \ -e '\<IOMEM_ERR_PTR\>' --or \ -e '\<devm_ioremap\>' --or \ -e '\<devm_ioremap_nocache\>' --or \ -e '\<devm_ioremap_wc\>' --or \ -e '\<devm_iounmap\>' --or \ -e '\<devm_ioremap_release\>' --or \ -e '\<devm_memremap\>' --or \ -e '\<devm_memunmap\>' --or \ -e '\<__devm_memremap_pages\>' --or \ -e '\<pci_remap_cfgspace\>' --or \ -e '\<arch_has_dev_port\>' --or \ -e '\<arch_phys_wc_add\>' --or \ -e '\<arch_phys_wc_del\>' --or \ -e '\<memremap\>' --or \ -e '\<memunmap\>' --or \ -e '\<arch_io_reserve_memtype_wc\>' --or \ -e '\<arch_io_free_memtype_wc\>' --or \ -e '\<__io_aw\>' --or \ -e '\<__io_pbw\>' --or \ -e '\<__io_paw\>' --or \ -e '\<__io_pbr\>' --or \ -e '\<__io_par\>' --or \ -e '\<__raw_readb\>' --or \ -e '\<__raw_readw\>' --or \ -e '\<__raw_readl\>' --or \ -e '\<__raw_readq\>' --or \ -e '\<__raw_writeb\>' --or \ -e '\<__raw_writew\>' --or \ -e '\<__raw_writel\>' --or \ -e '\<__raw_writeq\>' --or \ -e '\<readb\>' --or \ -e '\<readw\>' --or \ -e '\<readl\>' --or \ -e '\<readq\>' --or \ -e '\<writeb\>' --or \ -e '\<writew\>' --or \ -e '\<writel\>' --or \ -e '\<writeq\>' --or \ -e '\<readb_relaxed\>' --or \ -e '\<readw_relaxed\>' --or \ -e '\<readl_relaxed\>' --or \ -e '\<readq_relaxed\>' --or \ -e '\<writeb_relaxed\>' --or \ -e '\<writew_relaxed\>' --or \ -e '\<writel_relaxed\>' --or \ -e '\<writeq_relaxed\>' --or \ -e '\<readsb\>' --or \ -e '\<readsw\>' --or \ -e '\<readsl\>' --or \ -e '\<readsq\>' --or \ -e '\<writesb\>' --or \ -e '\<writesw\>' --or \ -e '\<writesl\>' --or \ -e '\<writesq\>' --or \ -e '\<inb\>' --or \ -e '\<inw\>' --or \ -e '\<inl\>' --or \ -e '\<outb\>' --or \ -e '\<outw\>' --or \ -e '\<outl\>' --or \ -e '\<inb_p\>' --or \ -e '\<inw_p\>' --or \ -e '\<inl_p\>' --or \ -e '\<outb_p\>' --or \ -e '\<outw_p\>' --or \ -e '\<outl_p\>' --or \ -e '\<insb\>' --or \ -e '\<insw\>' --or \ -e '\<insl\>' --or \ -e '\<outsb\>' --or \ -e '\<outsw\>' --or \ -e '\<outsl\>' --or \ -e '\<insb_p\>' --or \ -e '\<insw_p\>' --or \ -e '\<insl_p\>' --or \ -e '\<outsb_p\>' --or \ -e '\<outsw_p\>' --or \ -e '\<outsl_p\>' --or \ -e '\<ioread8\>' --or \ -e '\<ioread16\>' --or \ -e '\<ioread32\>' --or \ -e '\<ioread64\>' --or \ -e '\<iowrite8\>' --or \ -e '\<iowrite16\>' --or \ -e '\<iowrite32\>' --or \ -e '\<iowrite64\>' --or \ -e '\<ioread16be\>' --or \ -e '\<ioread32be\>' --or \ -e '\<ioread64be\>' --or \ -e '\<iowrite16be\>' --or \ -e '\<iowrite32be\>' --or \ -e '\<iowrite64be\>' --or \ -e '\<ioread8_rep\>' --or \ -e '\<ioread16_rep\>' --or \ -e '\<ioread32_rep\>' --or \ -e '\<ioread64_rep\>' --or \ -e '\<iowrite8_rep\>' --or \ -e '\<iowrite16_rep\>' --or \ -e '\<iowrite32_rep\>' --or \ -e '\<iowrite64_rep\>' --or \ -e '\<__io_virt\>' --or \ -e '\<pci_iounmap\>' --or \ -e '\<virt_to_phys\>' --or \ -e '\<phys_to_virt\>' --or \ -e '\<ioremap_uc\>' --or \ -e '\<ioremap\>' --or \ -e '\<__ioremap\>' --or \ -e '\<iounmap\>' --or \ -e '\<ioremap\>' --or \ -e '\<ioremap_nocache\>' --or \ -e '\<ioremap_uc\>' --or \ -e '\<ioremap_wc\>' --or \ -e '\<ioremap_wc\>' --or \ -e '\<ioremap_wt\>' --or \ -e '\<ioport_map\>' --or \ -e '\<ioport_unmap\>' --or \ -e '\<ioport_map\>' --or \ -e '\<ioport_unmap\>' --or \ -e '\<xlate_dev_kmem_ptr\>' --or \ -e '\<xlate_dev_mem_ptr\>' --or \ -e '\<unxlate_dev_mem_ptr\>' --or \ -e '\<virt_to_bus\>' --or \ -e '\<bus_to_virt\>' --or \ -e '\<memset_io\>' --or \ -e '\<memcpy_fromio\>' --or \ -e '\<memcpy_toio\>' I also reordered a couple includes when they weren't alphabetical and removed clk.h from kona, replacing it with clk-provider.h because that driver doesn't use clk consumer APIs. Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Tero Kristo <t-kristo@ti.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Mark Brown <broonie@kernel.org> Cc: Chris Zankel <chris@zankel.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: John Crispin <john@phrozen.org> Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2017-06-02clk: rockchip: mark pclk_ddrupctl as critical_clock on rk3036Elaine Zhang1-0/+1
No driver to handle this clk yet, but chip design requiress for this clock supplying the ddr controller to be always on. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-03-07clk: rockchip: Make uartpll a child of the gpll on rk3036Heiko Stuebner1-0/+7
The shared uart-pll is on boot a child of the apll that can get changed by cpu frequency scaling. So move it away to the more stable gpll to make sure the uart doesn't break on cpu frequency changes. This turned up during the 4.11 merge-window when commit 6a171b299379 ("serial: 8250_dw: Allow hardware flow control to be used") added general termios enablement making the uart on rk3036 change frequency and thus making it susceptible for the frequency scaling issue. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2017-03-07clk: rockchip: add "," to mux_pll_src_apll_dpll_gpll_usb480m_p on rk3036Heiko Stuebner1-1/+1
The mux_pll_src_apll_dpll_gpll_usb480m_p parent list was missing a "," between the 3rd and 4th parent names, making them fall together and thus lookups fail. Fix that. Fixes: 5190c08b2989 ("clk: rockchip: add clock controller for rk3036") Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-27clk: rockchip: release io resource when failing to init clkShawn Lin1-0/+1
We should call iounmap to relase reg_base since it's not going to be used any more if failing to init clk. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-27clk: rockchip: Add support for multiple clock providersXing Zheng1-5/+12
There are need to support Multi-CRUs probability in future, but it is not supported on the current Rockchip Clock Framework. Therefore, this patch add support a provider as the parameter handler when we call the clock register functions for per CRU. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-27clk: rockchip: allow varying mux parameters for cpuclk pll-sourcesXing Zheng1-0/+3
Thers are only two parent PLLs that APLL and GPLL for core on the previous SoCs (RK3066/RK3188/RK3288/RK3368). Hence, we set fixed GPLL as alternate parent when core is switching freq. Since RK3399 big.LITTLE architecture, we need to select and adapt more PLLs (ALPLL/ABPLL/DPLL/GPLL) sources. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-03-23Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds1-26/+7
Pull clk updates from Stephen Boyd: "The clk changes for this release cycle are mostly dominated by new device support in terms of LoC, but there has been some cleanup in the core as well as the usual minor clk additions to various drivers. Core: - parent tracking has been simplified - CLK_IS_ROOT is now a no-op flag, cleaning up drivers has started - of_clk_init() doesn't consider disabled DT nodes anymore - clk_unregister() had an error path bug squashed - of_clk_get_parent_count() has been fixed to only return unsigned ints - HAVE_MACH_CLKDEV is removed now that the last arch user (ARM) is gone New Drivers: - NXP LPC18xx creg - QCOM IPQ4019 GCC - TI dm814x ADPLL - i.MX6QP Updates: - Cyngus audio clks found on Broadcom iProc devices - Non-critical fixes for BCM2385 PLLs - Samsung exynos5433 updates for clk id errors, HDMI support, suspend/resume simplifications - USB, CAN, LVDS, and FCP clks on shmobile devices - sunxi got support for more clks on new SoCs and went through a minor refactoring/rewrite to use a simpler factor clk construct - rockchip added some more clk ids and added suport for fraction dividers - QCOM GDSCs in msm8996 - A new devm helper to make adding custom actions simpler (acked by Greg)" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (197 commits) clk: bcm2835: fix check of error code returned by devm_ioremap_resource() clk: renesas: div6: use RENESAS for #define clk: renesas: Rename header file renesas.h clk: max77{686,802}: Remove CLK_IS_ROOT clk: versatile: Remove CLK_IS_ROOT clk: sunxi: Remove use of variable length array clk: fixed-rate: Remove CLK_IS_ROOT clk: qcom: Remove CLK_IS_ROOT doc: dt: add documentation for lpc1850-creg-clk driver clk: add lpc18xx creg clk driver clk: lpc32xx: fix compilation warning clk: xgene: Add missing parenthesis when clearing divider value clk: mb86s7x: Remove CLK_IS_ROOT clk: x86: Remove clkdev.h and clk.h includes clk: x86: Remove CLK_IS_ROOT clk: mvebu: Remove CLK_IS_ROOT clk: renesas: move drivers to renesas directory clk: si5{14,351,70}: Remove CLK_IS_ROOT clk: scpi: Remove CLK_IS_ROOT clk: s2mps11: Remove CLK_IS_ROOT ...
2016-03-16clk: rockchip: associate SCLK_MAC_PLL and disable reparenting on rk3036Heiko Stuebner1-1/+1
The emac needs constant and very specific rate but the possible PLL-sources are very limited, so we expect the PLL source to be set manually on per board and don't want it to get changed in an automatic way later. So add the necessary clock-id and disable reparenting on set_rate calls. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: linux-clk@vger.kernel.org Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-16clk: rockchip: associate the rk3036 HCLK_EMAC clock-idXing Zheng1-1/+1
Associate the new clock id the clock. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Cc: Xing Zheng <zhengxing@rock-chips.com> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: linux-clk@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-15Merge tag 'v4.6-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-nextMichael Turquette1-26/+7
Introduction of a factor type and a variant containing a gate to be able to also declare factor clocks in their correct place in the clock tree instead of having to register factor clocks in the init callback separately. And as always some more clock-ids and non-regression fixes for mistakes introduced in past kernel releases.
2016-02-04clk: rockchip: convert manually created factor clocks to the new typeHeiko Stuebner1-25/+6
Clean up the init code and move the creation of factor clocks to the appropriate positions coming from the clock architecture diagrams. This also unifies the artificial separation of the hclk_vcodec etc clocks again. We do keep the separate definition of some watchdog and usb480m pseudo clocks for now, as they're not real factor clocks from the clock-tree but placeholders for fixes to come (usb480m gets supplied by the missing driver for the new usbphy type and the watchdog-gate is sitting somewhere else together which we cannot model currently). Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-02-04clk: rockchip: fix parent of hclk_vcodec on rk3036Heiko Stuebner1-1/+1
hclk_vcodec is a child of aclk_vcodec with the fixed factor clock hclk_vcodec_pre in between and not a child of hclk_disp_pre. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-24clk: rockchip: rk3036: enable the CLK_IGNORE_UNUSED flag for hclk_vio_busYakir Yang1-1/+1
HCLK_VIO_BUS is the noc bus controller clock for display module, due to it shouldn't belong to any driver, but we need it enabled, so just mark it as the CLK_IGNORE_UNUSED flag. Signed-off-by: Yakir Yang <ykk@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-16clk: rockchip: rk3036: rename emac ext source clockXing Zheng1-1/+1
There is only support rmii in the RK3036, so we should use the correct ext clock name as described in the TRM. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> [update dt-binding document as well] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-16clk: rockchip: rk3036: fix the div offset for emac clockXing Zheng1-2/+2
Due to reference to old version TRM, there are incorrect emac clock node. The SEL_21_9 is used for the parent div, the SEL_21_4 is used for the child div. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-16clk: rockchip: rk3036: fix uarts clock errorXing Zheng1-4/+4
Due to a copy-paste error the uart1 and uart2 clock div set incorrect, fix it. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-16clk: rockchip: rk3036: fix the FLAGs for clock muxXing Zheng1-6/+6
The DFLAGS are used for the clock dividers, the CLKSEL_CON flags of COMPOSITE_NODIV type should be MFLAGS. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-01-02Merge branch 'clk-rockchip' into clk-nextMichael Turquette1-10/+25
2016-01-02clk: rockchip: fix section mismatches with new child-clocksHeiko Stübner1-10/+25
To model the muxes downstream of fractional dividers we introduced the child property, allowing to describe a direct child clock. The first implementation seems to cause section warnings, as the core clock-tree is marked as initdata while the data pointed to from the child element is not. While there may be some way to also set that missing property in the inline notation I didn't find it, so to actually fix the issue for now move the sub-definitions into separate declarations that can have their own __initdata properties. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-23Merge branch 'clk-rockchip' into clk-nextMichael Turquette1-17/+17
2015-12-23clk: rockchip: rk3036: include downstream muxes into fractional dividersXing Zheng1-17/+17
Use the newly introduced possibility to combine the fractional dividers with their downstream muxes for all fractional dividers on currently supported RK3036 SoCs. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-21clk: rockchip: only enter pll slow-mode directly before reboots on rk3288Heiko Stuebner1-1/+1
As commit 1d33929e2a2b ("clk: rockchip: switch PLLs to slow mode before reboot for rk3288") states, switching the PLLs to slow-mode is only necessary when rebooting using the soft-reset done through the CRU. The dwc2 controllers used create really big number of interrupts in special constellations involving usb-hubs and their number is so high, it can even overwhelm the interrupt handler if the cpu-speed os to low. Right now the PLLs are put into slow-mode in a shutdown syscore_ops callback which means it happens on all reboots (not only the soft-reset ones) and even on poweroff actions. This can result in the system not powering off and getting stuck instead, so we should move the slow-mode change nearer to the actual reboot action. For this we introduce the possiblity to also set a callback that gets called from the restart-handler directly prior to restarting the system and move the shutdown-callback to this new option. With this the slow-mode switch is done only on the necessary reboots and also has a smaller possibility of causing artifacts. Fixes: 1d33929e2a2b ("clk: rockchip: switch PLLs to slow mode before reboot for rk3288") Signed-off-by: Heiko Stuebner <heiko.stuebner@collabora.com> Reviewed-by: Douglas Anderson <dianders@chromium.org>
2015-12-16clk: rockchip: rk3036: enable the CLK_IGNORE_UNUSED flag for aclk_vioYakir Yang1-1/+1
ACLK_VIO is the noc bus clock for display module, display cann't read data from ddr without this clock enabled. Due to it shouldn't belong to any driver, but we need it enabled, so just mark it as the CLK_IGNORE_UNUSED flag. Signed-off-by: Yakir Yang <ykk@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2015-11-23clk: rockchip: add clock controller for rk3036Xing Zheng1-0/+478
Add the clock tree definition for the new rk3036 SoC. Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>