arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc

[ Upstream commit 93f2a11580a9732c1d90f9e01a7e9facc825658f ]

The GCC_LPASS_Q6_AXI_CLK and GCC_LPASS_SWAY_CLK clocks may not be
touched on a typical UEFI based SDM845 device, but when the kernel is
built with CONFIG_SDM_LPASSCC_845 this happens, unless they are marked
as protected-clocks in the DT.

This was done for the MTP and the Pocophone, but not for DB845c and the
Lenovo Yoga C630 - causing these to fail to boot if the LPASS clock
controller is enabled (which it typically isn't).

Tested-by: Vinod Koul <vkoul@kernel.org> #on db845c
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201222001103.3112306-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index 7cc2365..c0b9381 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -415,7 +415,9 @@
 &gcc {
        protected-clocks = <GCC_QSPI_CORE_CLK>,
                           <GCC_QSPI_CORE_CLK_SRC>,
-                          <GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
+                          <GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
+                          <GCC_LPASS_Q6_AXI_CLK>,
+                          <GCC_LPASS_SWAY_CLK>;
 };
 
 &gpu {

diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index d70aae7..888dc23 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -245,7 +245,9 @@
 &gcc {
        protected-clocks = <GCC_QSPI_CORE_CLK>,
                           <GCC_QSPI_CORE_CLK_SRC>,
-                          <GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
+                          <GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
+                          <GCC_LPASS_Q6_AXI_CLK>,
+                          <GCC_LPASS_SWAY_CLK>;
 };
 
 &gpu {