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Message-Id: <1606896236-62780-2-git-send-email-yash.shah@sifive.com>
Date: Wed, 2 Dec 2020 13:33:53 +0530
From: Yash Shah <yash.shah@...ive.com>
To: linux-spi@...r.kernel.org, linux-serial@...r.kernel.org,
linux-pwm@...r.kernel.org, linux-i2c@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
devicetree@...r.kernel.org, linux-gpio@...r.kernel.org
Cc: broonie@...nel.org, gregkh@...uxfoundation.org,
aou@...s.berkeley.edu, lee.jones@...aro.org,
u.kleine-koenig@...gutronix.de, thierry.reding@...il.com,
andrew@...n.ch, peter@...sgaard.com, paul.walmsley@...ive.com,
palmer@...belt.com, robh+dt@...nel.org, bgolaszewski@...libre.com,
linus.walleij@...aro.org, sachin.ghadi@...ive.com,
Yash Shah <yash.shah@...ive.com>
Subject: [PATCH 1/4] dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
Add new compatible strings to the DT binding documents to support SiFive
FU740-C000. Also, add new compatible strings in cpus.yaml to support the
E71 and U74 CPU cores ("harts") that are present on FU740-C000 SoC.
Signed-off-by: Yash Shah <yash.shah@...ive.com>
---
Documentation/devicetree/bindings/gpio/sifive,gpio.yaml | 4 +++-
Documentation/devicetree/bindings/i2c/i2c-ocores.txt | 6 ++++--
Documentation/devicetree/bindings/pwm/pwm-sifive.yaml | 9 ++++++---
Documentation/devicetree/bindings/riscv/cpus.yaml | 6 ++++++
Documentation/devicetree/bindings/serial/sifive-serial.yaml | 4 +++-
Documentation/devicetree/bindings/spi/spi-sifive.yaml | 10 ++++++----
6 files changed, 28 insertions(+), 11 deletions(-)
diff --git a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
index a0efd8d..ab22056 100644
--- a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
@@ -13,7 +13,9 @@ maintainers:
properties:
compatible:
items:
- - const: sifive,fu540-c000-gpio
+ - enum:
+ - sifive,fu540-c000-gpio
+ - sifive,fu740-c000-gpio
- const: sifive,gpio0
reg:
diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
index 6b25a80..1966b2c 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
@@ -3,9 +3,11 @@ Device tree configuration for i2c-ocores
Required properties:
- compatible : "opencores,i2c-ocores"
"aeroflexgaisler,i2cmst"
- "sifive,fu540-c000-i2c", "sifive,i2c0"
+ "sifive,<chip>-i2c", "sifive,i2c0"
For Opencore based I2C IP block reimplemented in
- FU540-C000 SoC. Please refer to sifive-blocks-ip-versioning.txt
+ SiFive SoC. Supported compatible strings are:
+ "sifive,fu540-c000-i2c" and "sifive,fu740-c000-i2c"
+ Please refer to sifive-blocks-ip-versioning.txt
for additional details.
- reg : bus address start and address range size of device
- clocks : handle to the controller clock; see the note below.
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
index 5ac2527..84e6691 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
@@ -25,12 +25,15 @@ description:
properties:
compatible:
items:
- - const: sifive,fu540-c000-pwm
+ - enum:
+ - sifive,fu540-c000-pwm
+ - sifive,fu740-c000-pwm
- const: sifive,pwm0
description:
Should be "sifive,<chip>-pwm" and "sifive,pwm<version>". Supported
- compatible strings are "sifive,fu540-c000-pwm" for the SiFive PWM v0
- as integrated onto the SiFive FU540 chip, and "sifive,pwm0" for the
+ compatible strings are "sifive,fu540-c000-pwm" and
+ "sifive,fu740-c000-pwm" for the SiFive PWM v0 as integrated onto the
+ SiFive FU540 and FU740 chip respectively, and "sifive,pwm0" for the
SiFive PWM v0 IP block with no chip integration tweaks.
Please refer to sifive-blocks-ip-versioning.txt for details.
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index c6925e0..eb6843f 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -28,11 +28,17 @@ properties:
- items:
- enum:
- sifive,rocket0
+ - sifive,bullet0
- sifive,e5
+ - sifive,e7
- sifive,e51
+ - sifive,e71
- sifive,u54-mc
+ - sifive,u74-mc
- sifive,u54
+ - sifive,u74
- sifive,u5
+ - sifive,u7
- const: riscv
- const: riscv # Simulator only
description:
diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.yaml b/Documentation/devicetree/bindings/serial/sifive-serial.yaml
index 92283f6..3ac5c7f 100644
--- a/Documentation/devicetree/bindings/serial/sifive-serial.yaml
+++ b/Documentation/devicetree/bindings/serial/sifive-serial.yaml
@@ -17,7 +17,9 @@ allOf:
properties:
compatible:
items:
- - const: sifive,fu540-c000-uart
+ - enum:
+ - sifive,fu540-c000-uart
+ - sifive,fu740-c000-uart
- const: sifive,uart0
description:
diff --git a/Documentation/devicetree/bindings/spi/spi-sifive.yaml b/Documentation/devicetree/bindings/spi/spi-sifive.yaml
index 56dcf1d..6e7e394 100644
--- a/Documentation/devicetree/bindings/spi/spi-sifive.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-sifive.yaml
@@ -17,15 +17,17 @@ allOf:
properties:
compatible:
items:
- - const: sifive,fu540-c000-spi
+ - enum:
+ - sifive,fu540-c000-spi
+ - sifive,fu740-c000-spi
- const: sifive,spi0
description:
Should be "sifive,<chip>-spi" and "sifive,spi<version>".
Supported compatible strings are -
- "sifive,fu540-c000-spi" for the SiFive SPI v0 as integrated
- onto the SiFive FU540 chip, and "sifive,spi0" for the SiFive
- SPI v0 IP block with no chip integration tweaks.
+ "sifive,fu540-c000-spi" and "sifive,fu740-c000-spi" for the SiFive SPI v0
+ as integrated onto the SiFive FU540 and FU740 chip resp, and "sifive,spi0"
+ for the SiFive SPI v0 IP block with no chip integration tweaks.
Please refer to sifive-blocks-ip-versioning.txt for details
SPI RTL that corresponds to the IP block version numbers can be found here -
--
2.7.4
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