From 3ed35a87b6b3c56f4f78e6758ecace43e2a286a9 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Sat, 8 Oct 2022 10:47:01 +0200 Subject: [PATCH] Allwinner: atf: update power patch --- ...001-HACK-Allwinner-Don-t-set-up-PMIC.patch | 32 +++++++++++++++++++ ...i-Don-t-enable-referenced-regulators.patch | 22 ------------- 2 files changed, 32 insertions(+), 22 deletions(-) create mode 100644 projects/Allwinner/patches/atf/0001-HACK-Allwinner-Don-t-set-up-PMIC.patch delete mode 100644 projects/Allwinner/patches/atf/0001-sunxi-Don-t-enable-referenced-regulators.patch diff --git a/projects/Allwinner/patches/atf/0001-HACK-Allwinner-Don-t-set-up-PMIC.patch b/projects/Allwinner/patches/atf/0001-HACK-Allwinner-Don-t-set-up-PMIC.patch new file mode 100644 index 0000000000..b7a8534964 --- /dev/null +++ b/projects/Allwinner/patches/atf/0001-HACK-Allwinner-Don-t-set-up-PMIC.patch @@ -0,0 +1,32 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jernej Skrabec +Date: Sat, 8 Oct 2022 10:40:12 +0200 +Subject: [PATCH] HACK: Allwinner: Don't set up PMIC + +There are two issues: +1. Regulators must be bring up in certain order with delays between + steps which are not considered here. +2. PMIC setup fails on board without PMIC, like Tanix TX6. + +Since LibreELEC doesn't need things that need additional regulators to +be set up in U-Boot like networking, disable PMIC completely in order to +avoid above issues. + +Signed-off-by: Jernej Skrabec +--- + plat/allwinner/common/sunxi_bl31_setup.c | 2 -- + 1 file changed, 2 deletions(-) + +diff --git a/plat/allwinner/common/sunxi_bl31_setup.c b/plat/allwinner/common/sunxi_bl31_setup.c +index a32124a182a8..34a68dd80e70 100644 +--- a/plat/allwinner/common/sunxi_bl31_setup.c ++++ b/plat/allwinner/common/sunxi_bl31_setup.c +@@ -177,8 +177,6 @@ void bl31_platform_setup(void) + if (soc_id == SUNXI_SOC_A64 || soc_id == SUNXI_SOC_H5) + mmio_write_32(SUNXI_CCU_BASE + 0x5c, 0x1); + +- sunxi_pmic_setup(soc_id, fdt); +- + INFO("BL31: Platform setup done\n"); + } + diff --git a/projects/Allwinner/patches/atf/0001-sunxi-Don-t-enable-referenced-regulators.patch b/projects/Allwinner/patches/atf/0001-sunxi-Don-t-enable-referenced-regulators.patch deleted file mode 100644 index 2de0cda61c..0000000000 --- a/projects/Allwinner/patches/atf/0001-sunxi-Don-t-enable-referenced-regulators.patch +++ /dev/null @@ -1,22 +0,0 @@ -From 89a2da7c8bae95cf9225015489736e2fc434f4d9 Mon Sep 17 00:00:00 2001 -From: Jernej Skrabec -Date: Sat, 2 Jan 2021 16:35:31 +0100 -Subject: [PATCH] sunxi: Don't enable referenced regulators - -This break certain devices which need appropriate power on sequence. ---- - drivers/allwinner/axp/common.c | 3 --- - 1 file changed, 3 deletions(-) - ---- a/drivers/allwinner/axp/common.c -+++ b/drivers/allwinner/axp/common.c -@@ -112,9 +112,6 @@ static bool should_enable_regulator(const void *fdt, - if (is_node_disabled(fdt, node)) { - return false; - } -- if (fdt_getprop(fdt, node, "phandle", NULL) != NULL) { -- return true; -- } - if (fdt_getprop(fdt, node, "regulator-always-on", NULL) != NULL) { - return true; - }