arm64: dts: sprd: Change UMS512 idle-state nodename to match bindings

Fix below dtbs_check warning:

idle-states: 'core-pd' does not match any of the regexes: '^(cpu|cluster)-', 'pinctrl-[0-9]+'

Link: https://lore.kernel.org/r/20231221092824.1169453-3-chunyan.zhang@unisoc.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>

arm64: dts: sprd: Add clock reference for pll2 on UMS512

Fix below dtbs_check warning:

'clocks' is a dependency of 'clock-names'

Link: https://lore.kernel.org/r/20231221092824.1169453-2-chunyan.zhang@unisoc.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>

arm64: dts: sprd: Removed unused clock references from etm nodes

Remove these unused clock references to fix dtbs_check warnings:

etm@3f740000: clocks: [[11], [35, 34], [36, 8]] is too long
etm@3f740000: clock-names:1: 'atclk' was expected
etm@3f740000: clock-names: ['apb_pclk', 'clk_cs', 'cs_src'] is too long

Link: https://lore.kernel.org/r/20231221092824.1169453-1-chunyan.zhang@unisoc.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>

arm64: dts: sprd: fix the cpu node for UMS512

The UMS512 Socs have 8 cores contains 6 a55 and 2 a75.
modify the cpu nodes to correct information.

Fixes: 2b4881839a39 ("arm64: dts: sprd: Add support for Unisoc's UMS512")
Cc: stable@vger.kernel.org
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Link: https://lore.kernel.org/r/20230711162346.5978-1-cixi.geng@linux.dev
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>

arm64: dts: sprd: Add support for Unisoc's UMS512

Add basic support for Unisoc's UMS512, with this patch,
the board ums512-1h10 can run into console.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20230306085717.420353-1-chunyan.zhang@unisoc.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>