diff options
Diffstat (limited to 'target/linux/ipq806x/patches-5.15/104-v6.0-03-ARM-dts-qcom-ipq8064-add-specific-dtsi-with-smb208-r.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.15/104-v6.0-03-ARM-dts-qcom-ipq8064-add-specific-dtsi-with-smb208-r.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.15/104-v6.0-03-ARM-dts-qcom-ipq8064-add-specific-dtsi-with-smb208-r.patch b/target/linux/ipq806x/patches-5.15/104-v6.0-03-ARM-dts-qcom-ipq8064-add-specific-dtsi-with-smb208-r.patch new file mode 100644 index 0000000000..dbba722caa --- /dev/null +++ b/target/linux/ipq806x/patches-5.15/104-v6.0-03-ARM-dts-qcom-ipq8064-add-specific-dtsi-with-smb208-r.patch @@ -0,0 +1,66 @@ +From 5c47a46d5e942ea6b041c8b7727b201817c1ff76 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Thu, 7 Jul 2022 03:09:37 +0200 +Subject: [PATCH 3/8] ARM: dts: qcom: ipq8064: add specific dtsi with smb208 + rpm regulators + +Add specific ipq8064 dtsi with smb208 rpm regulators. + +Qcom advise to use this configuration but it's not mandatory and OEM +can decide to implement their own regulators. +smb208 regulators are used to scale CPU voltage, L2 cache voltage and +Ubi32 cores. + +There regulators are controlled by rpm and to correctly works gsbi4-i2c +require to be NEVER disabled or rpm will reject any regulator change +request. + +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +Tested-by: Jonathan McDowell <noodles@earth.li> +Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> +Link: https://lore.kernel.org/r/20220707010943.20857-4-ansuelsmth@gmail.com +--- + arch/arm/boot/dts/qcom-ipq8064-smb208.dtsi | 37 ++++++++++++++++++++++ + 1 file changed, 37 insertions(+) + create mode 100644 arch/arm/boot/dts/qcom-ipq8064-smb208.dtsi + +--- /dev/null ++++ b/arch/arm/boot/dts/qcom-ipq8064-smb208.dtsi +@@ -0,0 +1,37 @@ ++// SPDX-License-Identifier: GPL-2.0 ++ ++#include "qcom-ipq8064.dtsi" ++ ++&rpm { ++ smb208_regulators: regulators { ++ compatible = "qcom,rpm-smb208-regulators"; ++ ++ smb208_s1a: s1a { ++ regulator-min-microvolt = <1050000>; ++ regulator-max-microvolt = <1150000>; ++ ++ qcom,switch-mode-frequency = <1200000>; ++ }; ++ ++ smb208_s1b: s1b { ++ regulator-min-microvolt = <1050000>; ++ regulator-max-microvolt = <1150000>; ++ ++ qcom,switch-mode-frequency = <1200000>; ++ }; ++ ++ smb208_s2a: s2a { ++ regulator-min-microvolt = < 800000>; ++ regulator-max-microvolt = <1250000>; ++ ++ qcom,switch-mode-frequency = <1200000>; ++ }; ++ ++ smb208_s2b: s2b { ++ regulator-min-microvolt = < 800000>; ++ regulator-max-microvolt = <1250000>; ++ ++ qcom,switch-mode-frequency = <1200000>; ++ }; ++ }; ++}; |