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bcm4908: add simple PCIe reset controller support

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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2021-01-12 23:27:08 +01:00
parent 712258b772
commit 524b9aeb4c
1 changed files with 40 additions and 0 deletions
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40
target/linux/bcm4908/patches-5.4/081-v5.12-reset-simple-add-BCM4908-MISC-PCIe-reset-controller-.patch Normal file
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From def26913b66fd94e431afecf28e09c08e8c02a35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Fri, 27 Nov 2020 12:14:42 +0100
Subject: [PATCH] reset: simple: add BCM4908 MISC PCIe reset controller support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It's a trivial reset controller. One register with bit per PCIe core.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
drivers/reset/Kconfig | 2 +-
drivers/reset/reset-simple.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -129,7 +129,7 @@ config RESET_SCMI
config RESET_SIMPLE
bool "Simple Reset Controller Driver" if COMPILE_TEST
- default ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED || ARCH_BITMAIN || ARC
+ default ARCH_BCM4908 || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED || ARCH_BITMAIN || ARC
help
This enables a simple reset controller driver for reset lines that
that can be asserted and deasserted by toggling bits in a contiguous,
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -127,6 +127,8 @@ static const struct of_device_id reset_s
{ .compatible = "aspeed,ast2500-lpc-reset" },
{ .compatible = "bitmain,bm1880-reset",
.data = &reset_simple_active_low },
+ { .compatible = "brcm,bcm4908-misc-pcie-reset",
+ .data = &reset_simple_active_low },
{ .compatible = "snps,dw-high-reset" },
{ .compatible = "snps,dw-low-reset",
.data = &reset_simple_active_low },