Thread (7 messages) 7 messages, 3 authors, 2021-06-22

Re: [PATCH 2/2] phy: amlogic: Add a new driver for the HDMI TX PHY on Meson8/8b/8m2

From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: 2021-06-22 19:57:46
Also in: linux-amlogic, linux-arm-kernel, linux-devicetree, lkml

Hi Vinod,

thanks for taking the time to review this!

On Mon, Jun 21, 2021 at 8:18 AM Vinod Koul [off-list ref] wrote:
On 04-06-21, 21:03, Martin Blumenstingl wrote:
quoted
Amlogic Meson8/8b/8m2 have a built-in HDMI PHY in the HHI register
region. Unfortunately only few register bits are documented. For
HHI_HDMI_PHY_CNTL0 the magic numbers are taken from the 3.10 vendor
kernel.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
 drivers/phy/amlogic/Kconfig              |  11 ++
 drivers/phy/amlogic/Makefile             |   1 +
 drivers/phy/amlogic/phy-meson8-hdmi-tx.c | 150 +++++++++++++++++++++++
 3 files changed, 162 insertions(+)
 create mode 100644 drivers/phy/amlogic/phy-meson8-hdmi-tx.c
diff --git a/drivers/phy/amlogic/Kconfig b/drivers/phy/amlogic/Kconfig
index db5d0cd757e3..e6c3a2a8b769 100644
--- a/drivers/phy/amlogic/Kconfig
+++ b/drivers/phy/amlogic/Kconfig
@@ -2,6 +2,17 @@
 #
 # Phy drivers for Amlogic platforms
 #
+config PHY_MESON8_HDMI_TX
+     tristate "Meson8, Meson8b and Meson8m2 HDMI TX PHY driver"
+     default ARCH_MESON
+     depends on (ARCH_MESON && ARM) || COMPILE_TEST
depends on ARM seems redundant..
config ARCH_MESON exists in arch/arm as well as arch/arm64
my idea was to hide it from the 64-bit SoCs since it's not used there

While reading your comment I spotted something for myself:
I think "default ARCH_MESON" should not be there.
quoted
+ * Meson8, Meson8b and Meson8m2 HDMI TX PHY.
+ *
+ * Copyright (C) 2020 Martin Blumenstingl [off-list ref]
2021..
good catch, I'll fix this in v2


Best regards,
Martin

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