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This commit is contained in:
domenico
2025-06-24 12:51:15 +02:00
commit 27c9d80f51
10493 changed files with 1885777 additions and 0 deletions

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@@ -0,0 +1,28 @@
From 36d9b3ae708e865cdab95692db5a24c5d975383d Mon Sep 17 00:00:00 2001
From: Dragan Simic <dsimic@manjaro.org>
Date: Tue, 12 Dec 2023 09:01:39 +0100
Subject: [PATCH] arm64: dts: rockchip: Add ethernet0 alias to the dts for
RK3566 boards
Add ethernet0 alias to the board dts files for a few supported RK3566 boards
that had it missing. Also, remove the ethernet0 alias from one RK3566 SoM
dtsi file, which doesn't enable the GMAC, and add the ethernet0 alias back to
the dependent board dts files, which actually enable the GMAC.
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/d2a272e0ae0fff0adfab8bb0238243b11d348799.1702368023.git.dsimic@manjaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts | 1 +
1 files changed, 1 insertions(+), 0 deletion(-)
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
@@ -14,6 +14,7 @@
compatible = "radxa,cm3-io", "radxa,cm3", "rockchip,rk3566";
aliases {
+ ethernet0 = &gmac1;
mmc1 = &sdmmc0;
};

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@@ -0,0 +1,27 @@
From 437644753208092f642b7669c69da606aa07dfb4 Mon Sep 17 00:00:00 2001
From: Tim Lunn <tim@feathertop.org>
Date: Wed, 14 Feb 2024 15:07:30 +1100
Subject: [PATCH] arm64: dts: rockchip: adjust vendor on Banana Pi R2 Pro board
Adjust compatible string to match the board vendor of Sinovoip
Signed-off-by: Tim Lunn <tim@feathertop.org>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240214040731.3069111-4-tim@feathertop.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -13,7 +13,7 @@
/ {
model = "Bananapi-R2 Pro (RK3568) DDR4 Board";
- compatible = "rockchip,rk3568-bpi-r2pro", "rockchip,rk3568";
+ compatible = "sinovoip,rk3568-bpi-r2pro", "rockchip,rk3568";
aliases {
ethernet0 = &gmac0;

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@@ -0,0 +1,127 @@
From 8612169a05c5e979af033868b7a9b177e0f9fcdf Mon Sep 17 00:00:00 2001
From: Dragan Simic <dsimic@manjaro.org>
Date: Sat, 9 Mar 2024 05:25:06 +0100
Subject: [PATCH] arm64: dts: rockchip: Add cache information to the SoC dtsi
for RK356x
Add missing cache information to the Rockchip RK356x SoC dtsi, to allow
the userspace, which includes lscpu(1) that uses the virtual files provided
by the kernel under the /sys/devices/system/cpu directory, to display the
proper RK3566 and RK3568 cache information.
Adding the cache information to the RK356x SoC dtsi also makes the following
warning message in the kernel log go away:
cacheinfo: Unable to detect cache hierarchy for CPU 0
The cache parameters for the RK356x dtsi were obtained and partially derived
by hand from the cache size and layout specifications found in the following
datasheets and technical reference manuals:
- Rockchip RK3566 datasheet, version 1.1
- Rockchip RK3568 datasheet, version 1.3
- ARM Cortex-A55 revision r1p0 TRM, version 0100-00
- ARM DynamIQ Shared Unit revision r4p0 TRM, version 0400-02
For future reference, here's a rather detailed summary of the documentation,
which applies to both Rockchip RK3566 and RK3568 SoCs:
- All caches employ the 64-byte cache line length
- Each Cortex-A55 core has 32 KB of L1 4-way, set-associative instruction
cache and 32 KB of L1 4-way, set-associative data cache
- There are no L2 caches, which are per-core and private in Cortex-A55,
because it belongs to the ARM DynamIQ IP core lineup
- The entire SoC has 512 KB of unified L3 16-way, set-associative cache,
which is shared among all four Cortex-A55 CPU cores
- Cortex-A55 cores can be configured without private per-core L2 caches,
in which case the shared L3 cache appears to them as an L2 cache; this
is the case for the RK356x SoCs, so let's use "cache-level = <2>" to
prevent the "huh, no L2 caches, but an L3 cache?" confusion among the
users viewing the data presented to the userspace; another option could
be to have additional 0 KB L2 caches defined, which may be technically
correct, but would probably be even more confusing
Helped-by: Anand Moon <linux.amoon@gmail.com>
Tested-By: Diederik de Haas <didi.debian@cknow.org>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/2dee6dad8460b0c5f3b5da53cf55f735840efef1.1709957777.git.dsimic@manjaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 41 ++++++++++++++++++++++++
1 file changed, 41 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -57,6 +57,13 @@
#cooling-cells = <2>;
enable-method = "psci";
operating-points-v2 = <&cpu0_opp_table>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <128>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l3_cache>;
};
cpu1: cpu@100 {
@@ -66,6 +73,13 @@
#cooling-cells = <2>;
enable-method = "psci";
operating-points-v2 = <&cpu0_opp_table>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <128>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l3_cache>;
};
cpu2: cpu@200 {
@@ -75,6 +89,13 @@
#cooling-cells = <2>;
enable-method = "psci";
operating-points-v2 = <&cpu0_opp_table>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <128>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l3_cache>;
};
cpu3: cpu@300 {
@@ -84,9 +105,29 @@
#cooling-cells = <2>;
enable-method = "psci";
operating-points-v2 = <&cpu0_opp_table>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <128>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l3_cache>;
};
};
+ /*
+ * There are no private per-core L2 caches, but only the
+ * L3 cache that appears to the CPU cores as L2 caches
+ */
+ l3_cache: l3-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ cache-size = <0x80000>;
+ cache-line-size = <64>;
+ cache-sets = <512>;
+ };
+
cpu0_opp_table: opp-table-0 {
compatible = "operating-points-v2";
opp-shared;

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@@ -0,0 +1,84 @@
From c45de75d7a9ab44a15dedc7a121d6371d6891301 Mon Sep 17 00:00:00 2001
From: Trevor Woerner <twoerner@gmail.com>
Date: Mon, 20 Nov 2023 11:22:32 -0500
Subject: [PATCH] arm64: dts: rockchip: add gpio-line-names to rk3308-rock-pi-s
Add names to the pins of the general-purpose expansion header as given in the
Radxa GPIO page[1] following the conventions in the kernel documentation[2] to
make it easier for users to correlate the pins with functions when using
utilities such as gpioinfo.
[1] https://wiki.radxa.com/RockpiS/hardware/gpio
[2] Documentation/devicetree/bindings/gpio/gpio.txt
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Link: https://lore.kernel.org/r/20231120162232.27653-1-twoerner@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../boot/dts/rockchip/rk3308-rock-pi-s.dts | 58 +++++++++++++++++++
1 file changed, 58 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -258,3 +258,61 @@
&wdt {
status = "okay";
};
+
+&gpio0 {
+ gpio-line-names =
+ /* GPIO0_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO0_B0 - B7 */
+ "", "", "", "header1-pin3 [GPIO0_B3]", "header1-pin5 [GPIO0_B4]",
+ "", "", "header1-pin11 [GPIO0_B7]",
+ /* GPIO0_C0 - C7 */
+ "header1-pin13 [GPIO0_C0]", "header1-pin15 [GPIO0_C1]", "", "", "",
+ "", "", "",
+ /* GPIO0_D0 - D8 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio1 {
+ gpio-line-names =
+ /* GPIO1_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_B0 - B7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_C0 - C7 */
+ "", "", "", "", "", "", "header1-pin21 [GPIO1_C6]",
+ "header1-pin19 [GPIO1_C7]",
+ /* GPIO1_D0 - D8 */
+ "header1-pin23 [GPIO1_D0]", "header1-pin24 [GPIO1_D1]", "", "", "",
+ "", "", "";
+};
+
+&gpio2 {
+ gpio-line-names =
+ /* GPIO2_A0 - A7 */
+ "header1-pin10 [GPIO2_A0]", "header1-pin8 [GPIO2_A1]", "", "",
+ "header1-pin7 [GPIO2_A4]", "header1-pin12 [GPIO2_A5]",
+ "header2-pin46 [GPIO2_A6]", "header1-pin22 [GPIO1_A7]",
+ /* GPIO2_B0 - B7 */
+ "header2-pin45 [GPIO2_B0]", "header1-pin18 [GPIO2_B1]",
+ "header1-pin16 [GPIO2_B2]", "header2-pin44 [GPIO2_B3]",
+ "header2-pin43 [GPIO2_B4]", "header2-pin28 [GPIO2_B5]",
+ "header2-pin30 [GPIO2_B6]", "header2-pin32 [GPIO2_B7]",
+ /* GPIO2_C0 - C7 */
+ "header2-pin34 [GPIO2_C0]", "", "", "", "", "", "", "",
+ /* GPIO2_D0 - D8 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio3 {
+ gpio-line-names =
+ /* GPIO3_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO3_B0 - B7 */
+ "", "", "header2-pin42 [GPIO3_B2]", "header2-pin41 [GPIO3_B3]",
+ "header2-pin40 [GPIO3_B4]", "header2-pin39 [GPIO3_B5]", "", "",
+ /* GPIO3_C0 - C7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO3_D0 - D8 */
+ "", "", "", "", "", "", "", "";
+};

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@@ -0,0 +1,152 @@
From 085021cc825ed90a6ddc4406f608fb8a85745f81 Mon Sep 17 00:00:00 2001
From: Trevor Woerner <twoerner@gmail.com>
Date: Tue, 19 Dec 2023 12:38:13 -0500
Subject: [PATCH] arm64: dts: rockchip: rk3308-rock-pi-s gpio-line-names
cleanup
Perform the following cleanups on a previous patch:
- indent lines after "gpio-line-names"
- fix D0-D8 -> D0-D7
- sort phandle references
Fixes: c45de75d7a9a ("arm64: dts: rockchip: add gpio-line-names to rk3308-rock-pi-s")
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Link: https://lore.kernel.org/r/20231219173814.1569-1-twoerner@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../boot/dts/rockchip/rk3308-rock-pi-s.dts | 120 +++++++++---------
1 file changed, 62 insertions(+), 58 deletions(-)
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -151,6 +151,68 @@
status = "okay";
};
+&gpio0 {
+ gpio-line-names =
+ /* GPIO0_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO0_B0 - B7 */
+ "", "", "", "header1-pin3 [GPIO0_B3]",
+ "header1-pin5 [GPIO0_B4]", "", "",
+ "header1-pin11 [GPIO0_B7]",
+ /* GPIO0_C0 - C7 */
+ "header1-pin13 [GPIO0_C0]",
+ "header1-pin15 [GPIO0_C1]", "", "", "",
+ "", "", "",
+ /* GPIO0_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio1 {
+ gpio-line-names =
+ /* GPIO1_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_B0 - B7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO1_C0 - C7 */
+ "", "", "", "", "", "", "header1-pin21 [GPIO1_C6]",
+ "header1-pin19 [GPIO1_C7]",
+ /* GPIO1_D0 - D7 */
+ "header1-pin23 [GPIO1_D0]", "header1-pin24 [GPIO1_D1]",
+ "", "", "", "", "", "";
+};
+
+&gpio2 {
+ gpio-line-names =
+ /* GPIO2_A0 - A7 */
+ "header1-pin10 [GPIO2_A0]", "header1-pin8 [GPIO2_A1]",
+ "", "",
+ "header1-pin7 [GPIO2_A4]", "header1-pin12 [GPIO2_A5]",
+ "header2-pin46 [GPIO2_A6]", "header1-pin22 [GPIO1_A7]",
+ /* GPIO2_B0 - B7 */
+ "header2-pin45 [GPIO2_B0]", "header1-pin18 [GPIO2_B1]",
+ "header1-pin16 [GPIO2_B2]", "header2-pin44 [GPIO2_B3]",
+ "header2-pin43 [GPIO2_B4]", "header2-pin28 [GPIO2_B5]",
+ "header2-pin30 [GPIO2_B6]", "header2-pin32 [GPIO2_B7]",
+ /* GPIO2_C0 - C7 */
+ "header2-pin34 [GPIO2_C0]", "", "", "", "", "", "", "",
+ /* GPIO2_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
+&gpio3 {
+ gpio-line-names =
+ /* GPIO3_A0 - A7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO3_B0 - B7 */
+ "", "", "header2-pin42 [GPIO3_B2]",
+ "header2-pin41 [GPIO3_B3]", "header2-pin40 [GPIO3_B4]",
+ "header2-pin39 [GPIO3_B5]", "", "",
+ /* GPIO3_C0 - C7 */
+ "", "", "", "", "", "", "", "",
+ /* GPIO3_D0 - D7 */
+ "", "", "", "", "", "", "", "";
+};
+
&i2c1 {
status = "okay";
};
@@ -258,61 +320,3 @@
&wdt {
status = "okay";
};
-
-&gpio0 {
- gpio-line-names =
- /* GPIO0_A0 - A7 */
- "", "", "", "", "", "", "", "",
- /* GPIO0_B0 - B7 */
- "", "", "", "header1-pin3 [GPIO0_B3]", "header1-pin5 [GPIO0_B4]",
- "", "", "header1-pin11 [GPIO0_B7]",
- /* GPIO0_C0 - C7 */
- "header1-pin13 [GPIO0_C0]", "header1-pin15 [GPIO0_C1]", "", "", "",
- "", "", "",
- /* GPIO0_D0 - D8 */
- "", "", "", "", "", "", "", "";
-};
-
-&gpio1 {
- gpio-line-names =
- /* GPIO1_A0 - A7 */
- "", "", "", "", "", "", "", "",
- /* GPIO1_B0 - B7 */
- "", "", "", "", "", "", "", "",
- /* GPIO1_C0 - C7 */
- "", "", "", "", "", "", "header1-pin21 [GPIO1_C6]",
- "header1-pin19 [GPIO1_C7]",
- /* GPIO1_D0 - D8 */
- "header1-pin23 [GPIO1_D0]", "header1-pin24 [GPIO1_D1]", "", "", "",
- "", "", "";
-};
-
-&gpio2 {
- gpio-line-names =
- /* GPIO2_A0 - A7 */
- "header1-pin10 [GPIO2_A0]", "header1-pin8 [GPIO2_A1]", "", "",
- "header1-pin7 [GPIO2_A4]", "header1-pin12 [GPIO2_A5]",
- "header2-pin46 [GPIO2_A6]", "header1-pin22 [GPIO1_A7]",
- /* GPIO2_B0 - B7 */
- "header2-pin45 [GPIO2_B0]", "header1-pin18 [GPIO2_B1]",
- "header1-pin16 [GPIO2_B2]", "header2-pin44 [GPIO2_B3]",
- "header2-pin43 [GPIO2_B4]", "header2-pin28 [GPIO2_B5]",
- "header2-pin30 [GPIO2_B6]", "header2-pin32 [GPIO2_B7]",
- /* GPIO2_C0 - C7 */
- "header2-pin34 [GPIO2_C0]", "", "", "", "", "", "", "",
- /* GPIO2_D0 - D8 */
- "", "", "", "", "", "", "", "";
-};
-
-&gpio3 {
- gpio-line-names =
- /* GPIO3_A0 - A7 */
- "", "", "", "", "", "", "", "",
- /* GPIO3_B0 - B7 */
- "", "", "header2-pin42 [GPIO3_B2]", "header2-pin41 [GPIO3_B3]",
- "header2-pin40 [GPIO3_B4]", "header2-pin39 [GPIO3_B5]", "", "",
- /* GPIO3_C0 - C7 */
- "", "", "", "", "", "", "", "",
- /* GPIO3_D0 - D8 */
- "", "", "", "", "", "", "", "";
-};

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@@ -0,0 +1,32 @@
From fc0daeccc384233eadfa9d5ddbd00159653c6bdc Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Tue, 21 May 2024 21:10:07 +0000
Subject: [PATCH] arm64: dts: rockchip: Add sdmmc related properties on
rk3308-rock-pi-s
Add cap-mmc-highspeed to allow use of high speed MMC mode using an eMMC
to uSD board. Use disable-wp to signal that no physical write-protect
line is present. Also add vcc_io used for card and IO line power as
vmmc-supply.
Fixes: 2e04c25b1320 ("arm64: dts: rockchip: add ROCK Pi S DTS support")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-5-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts | 3 +++
1 file changed, 3 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -272,7 +272,10 @@
};
&sdmmc {
+ cap-mmc-highspeed;
cap-sd-highspeed;
+ disable-wp;
+ vmmc-supply = <&vcc_io>;
status = "okay";
};

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@@ -0,0 +1,31 @@
From 7affb86ef62581e3475ce3e0a7640da1f2ee29f8 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Tue, 21 May 2024 21:10:08 +0000
Subject: [PATCH] arm64: dts: rockchip: Add pinctrl for UART0 to
rk3308-rock-pi-s
UAR0 CTS/RTS is not wired to any pin and is not used for the default
serial console use of UART0 on ROCK Pi S.
Override the SoC defined pinctrl props to limit configuration of the
two xfer pins wired to one of the GPIO pin headers.
Fixes: 2e04c25b1320 ("arm64: dts: rockchip: add ROCK Pi S DTS support")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-6-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -294,6 +294,8 @@
};
&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_xfer>;
status = "okay";
};

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@@ -0,0 +1,61 @@
From 4b64ed510ed946a4e4ca6d51d6512bf5361f6a04 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Tue, 21 May 2024 21:10:10 +0000
Subject: [PATCH] arm64: dts: rockchip: Add mdio and ethernet-phy nodes to
rk3308-rock-pi-s
Be explicit about the Ethernet port and define mdio and ethernet-phy
nodes in the device tree for ROCK Pi S.
Fixes: bc3753aed81f ("arm64: dts: rockchip: rock-pi-s add more peripherals")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-8-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../boot/dts/rockchip/rk3308-rock-pi-s.dts | 26 ++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -144,11 +144,25 @@
&gmac {
clock_in_out = "output";
+ phy-handle = <&rtl8201f>;
phy-supply = <&vcc_io>;
- snps,reset-gpio = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
- snps,reset-active-low;
- snps,reset-delays-us = <0 50000 50000>;
status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtl8201f: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac_rst>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <50000>;
+ reset-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+ };
+ };
};
&gpio0 {
@@ -221,6 +235,12 @@
pinctrl-names = "default";
pinctrl-0 = <&rtc_32k>;
+ gmac {
+ mac_rst: mac-rst {
+ rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
leds {
green_led: green-led {
rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;

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@@ -0,0 +1,77 @@
From 6731d2c9039fbe1ecf21915eab3acee0a999508a Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Fri, 10 Jul 2020 21:38:20 +0200
Subject: [PATCH] rockchip: use system LED for OpenWrt
Use the SYS LED on the casing for showing system status.
This patch is kept separate from the NanoPi R2S support patch, as i plan
on submitting the device support upstream.
Signed-off-by: David Bauer <mail@david-bauer.net>
---
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
@@ -6,6 +6,7 @@
/dts-v1/;
#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include "rk3328.dtsi"
@@ -16,6 +17,11 @@
aliases {
ethernet1 = &rtl8153;
mmc0 = &sdmmc;
+
+ led-boot = &sys_led;
+ led-failsafe = &sys_led;
+ led-running = &sys_led;
+ led-upgrade = &sys_led;
};
chosen {
@@ -48,19 +54,22 @@
pinctrl-names = "default";
lan_led: led-0 {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_LAN;
gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
- label = "nanopi-r2s:green:lan";
};
sys_led: led-1 {
+ color = <LED_COLOR_ID_RED>;
+ function = LED_FUNCTION_STATUS;
gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
- label = "nanopi-r2s:red:sys";
default-state = "on";
};
wan_led: led-2 {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_WAN;
gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
- label = "nanopi-r2s:green:wan";
};
};
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
@@ -13,6 +13,11 @@
aliases {
mmc0 = &sdmmc;
mmc1 = &emmc;
+
+ led-boot = &power_led;
+ led-failsafe = &power_led;
+ led-running = &power_led;
+ led-upgrade = &power_led;
};
chosen {

View File

@@ -0,0 +1,24 @@
From 2795c8b31a686bdb8338f9404d18ef7a154f0d75 Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Sun, 26 Jul 2020 13:32:59 +0200
Subject: [PATCH] arm64: rockchip: add OF node for USB eth on NanoPi R2S
This adds the OF node for the USB3 ethernet adapter on the FriendlyARM
NanoPi R2S. Add the correct value for the RTL8153 LED configuration
register to match the blink behavior of the other port on the device.
Signed-off-by: David Bauer <mail@david-bauer.net>
---
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts | 7 +++++++
1 file changed, 1 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
@@ -406,6 +406,7 @@
rtl8153: device@2 {
compatible = "usbbda,8153";
reg = <2>;
+ realtek,led-data = <0x87>;
};
};

View File

@@ -0,0 +1,36 @@
From: David Bauer <mail@david-bauer.net>
Subject: arm64: dts: rockchip: disable UHS modes for NanoPi R4S
The NanoPi R4S leaves the SD card in 1.8V signalling when rebooting
while U-Boot requires the card to be in 3.3V mode.
Remove UHS support from the SD controller so the card remains in 3.3V
mode. This reduces transfer speeds but ensures a reboot whether from
userspace or following a kernel panic is always working.
Signed-off-by: David Bauer <mail@david-bauer.net>
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
@@ -335,7 +335,6 @@
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
- sd-uhs-sdr104;
vmmc-supply = <&vcc_sd>;
vqmmc-supply = <&vcc_sdio>;
status = "okay";
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -112,6 +112,11 @@
status = "disabled";
};
+&sdmmc {
+ /delete-property/ sd-uhs-sdr104;
+ cap-sd-highspeed;
+};
+
&u2phy0_host {
phy-supply = <&vdd_5v>;
};

View File

@@ -0,0 +1,16 @@
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -19,6 +19,13 @@
model = "FriendlyElec NanoPi R4S";
compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
+ aliases {
+ led-boot = &sys_led;
+ led-failsafe = &sys_led;
+ led-running = &sys_led;
+ led-upgrade = &sys_led;
+ };
+
/delete-node/ display-subsystem;
gpio-leds {

View File

@@ -0,0 +1,40 @@
From d2166e3b3680bd2b206aebf1e1ce4c0d346f3c50 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Fri, 19 May 2023 12:10:52 +0800
Subject: [PATCH] arm64: dts: rockchip: Update LED properties for Orange Pi R1
Plus
Add OpenWrt's LED aliases for showing system status.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
.../dts/rockchip/rk3328-orangepi-r1-plus.dts | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
--- a/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
@@ -17,6 +17,11 @@
aliases {
ethernet1 = &rtl8153;
mmc0 = &sdmmc;
+
+ led-boot = &status_led;
+ led-failsafe = &status_led;
+ led-running = &status_led;
+ led-upgrade = &status_led;
};
chosen {
@@ -41,11 +46,10 @@
gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
};
- led-1 {
+ status_led: led-1 {
function = LED_FUNCTION_STATUS;
color = <LED_COLOR_ID_RED>;
gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>;
- linux,default-trigger = "heartbeat";
};
led-2 {

View File

@@ -0,0 +1,24 @@
From b46a530d12ada422b9d5b2b97059e0d3ed950b40 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Fri, 19 May 2023 12:38:04 +0800
Subject: [PATCH] arm64: dts: rockchip: add LED configuration to Orange Pi R1
Plus
Add the correct value for the RTL8153 LED configuration register to
match the blink behavior of the other port on the device.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
@@ -365,6 +365,7 @@
rtl8153: device@2 {
compatible = "usbbda,8153";
reg = <2>;
+ realtek,led-data = <0x87>;
};
};

View File

@@ -0,0 +1,16 @@
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
@@ -15,6 +15,13 @@
model = "FriendlyElec NanoPC-T4";
compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
+ aliases {
+ led-boot = &status_led;
+ led-failsafe = &status_led;
+ led-running = &status_led;
+ led-upgrade = &status_led;
+ };
+
vcc12v0_sys: vcc12v0-sys {
compatible = "regulator-fixed";
regulator-always-on;

View File

@@ -0,0 +1,45 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Tue Jun 20 16:45:27 2023 +0800
Subject: [PATCH] arm64: dts: rockchip: Update LED properties for NanoPi R5
series
Add OpenWrt's LED aliases for showing system status.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5c.dts
@@ -40,7 +40,6 @@
power_led: led-power {
color = <LED_COLOR_ID_RED>;
function = LED_FUNCTION_POWER;
- linux,default-trigger = "heartbeat";
gpios = <&gpio3 RK_PA2 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dts
@@ -39,7 +39,6 @@
power_led: led-power {
color = <LED_COLOR_ID_RED>;
function = LED_FUNCTION_POWER;
- linux,default-trigger = "heartbeat";
gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
};
--- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi
@@ -18,6 +18,11 @@
aliases {
mmc0 = &sdmmc0;
mmc1 = &sdhci;
+
+ led-boot = &power_led;
+ led-failsafe = &power_led;
+ led-running = &power_led;
+ led-upgrade = &power_led;
};
chosen: chosen {

View File

@@ -0,0 +1,36 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Marius Durbaca <mariusd84@gmail.com>
Date: Tue Feb 20 15:05:27 2024 +0200
Subject: [PATCH] arm64: dts: rockchip: Update LED properties for Radxa
CM3 IO board
Add OpenWrt's LED aliases for showing system status.
Suggested-by: Tianling Shen <cnsztl@immortalwrt.org>
Signed-off-by: Marius Durbaca <mariusd84@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
@@ -16,6 +16,10 @@
aliases {
ethernet0 = &gmac1;
mmc1 = &sdmmc0;
+ led-boot = &status_led;
+ led-failsafe = &status_led;
+ led-running = &status_led;
+ led-upgrade = &status_led;
};
chosen: chosen {
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3.dtsi
@@ -17,7 +17,7 @@
leds {
compatible = "gpio-leds";
- led-0 {
+ status_led: led-0 {
gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_STATUS;

View File

@@ -0,0 +1,35 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Marius Durbaca <mariusd84@gmail.com>
Date: Tue Feb 27 16:25:27 2024 +0200
Subject: [PATCH] arm64: dts: rockchip: Update LED properties for Radxa
E25
Add OpenWrt's LED aliases for showing system status.
Signed-off-by: Marius Durbaca <mariusd84@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
@@ -9,6 +9,10 @@
aliases {
mmc1 = &sdmmc0;
+ led-boot = &led_user;
+ led-failsafe = &led_user;
+ led-running = &led_user;
+ led-upgrade = &led_user;
};
pwm-leds {
--- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
@@ -23,7 +23,7 @@
gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
function = LED_FUNCTION_HEARTBEAT;
color = <LED_COLOR_ID_GREEN>;
- linux,default-trigger = "heartbeat";
+ default-state = "on";
pinctrl-names = "default";
pinctrl-0 = <&led_user_en>;
};

View File

@@ -0,0 +1,38 @@
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -17,6 +17,10 @@
ethernet0 = &gmac;
mmc0 = &emmc;
mmc1 = &sdmmc;
+ led-boot = &blue_led;
+ led-failsafe = &blue_led;
+ led-running = &blue_led;
+ led-upgrade = &blue_led;
};
chosen {
@@ -28,22 +32,19 @@
pinctrl-names = "default";
pinctrl-0 = <&green_led>, <&heartbeat_led>;
- green-led {
+ led-0 {
color = <LED_COLOR_ID_GREEN>;
default-state = "on";
function = LED_FUNCTION_POWER;
gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
- label = "rockpis:green:power";
linux,default-trigger = "default-on";
};
- blue-led {
+ blue_led: led-1 {
color = <LED_COLOR_ID_BLUE>;
default-state = "on";
function = LED_FUNCTION_HEARTBEAT;
gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
- label = "rockpis:blue:user";
- linux,default-trigger = "heartbeat";
};
};

View File

@@ -0,0 +1,29 @@
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -15,6 +15,10 @@
ethernet0 = &gmac1;
mmc0 = &sdhci;
mmc1 = &sdmmc0;
+ led-boot = &led_blue;
+ led-failsafe = &led_blue;
+ led-running = &led_blue;
+ led-upgrade = &led_blue;
};
chosen: chosen {
@@ -42,11 +46,11 @@
leds {
compatible = "gpio-leds";
- led_user: led-0 {
- gpios = <&gpio0 RK_PB7 GPIO_ACTIVE_HIGH>;
- function = LED_FUNCTION_HEARTBEAT;
+ led_blue: led-0 {
color = <LED_COLOR_ID_BLUE>;
- linux,default-trigger = "heartbeat";
+ default-state = "on";
+ function = LED_FUNCTION_HEARTBEAT;
+ gpios = <&gpio0 RK_PB7 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&led_user_en>;
};

View File

@@ -0,0 +1,340 @@
From patchwork Sat Nov 12 14:10:58 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Aurelien Jarno <aurelien@aurel32.net>
X-Patchwork-Id: 13041222
Return-Path:
<linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
aws-us-west-2-korg-lkml-1.web.codeaurora.org
From: Aurelien Jarno <aurelien@aurel32.net>
To: Olivia Mackall <olivia@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
Philipp Zabel <p.zabel@pengutronix.de>,
Lin Jinhan <troy.lin@rock-chips.com>
Cc: linux-crypto@vger.kernel.org (open list:HARDWARE RANDOM NUMBER GENERATOR
CORE),
devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE
BINDINGS),
linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC
support),
linux-rockchip@lists.infradead.org (open list:ARM/Rockchip SoC support),
linux-kernel@vger.kernel.org (open list),
Aurelien Jarno <aurelien@aurel32.net>
Subject: [PATCH v1 2/3] hwrng: add Rockchip SoC hwrng driver
Date: Sat, 12 Nov 2022 15:10:58 +0100
Message-Id: <20221112141059.3802506-3-aurelien@aurel32.net>
In-Reply-To: <20221112141059.3802506-1-aurelien@aurel32.net>
References: <20221112141059.3802506-1-aurelien@aurel32.net>
MIME-Version: 1.0
List-Id: <linux-arm-kernel.lists.infradead.org>
Rockchip SoCs used to have a random number generator as part of their
crypto device, and support for it has to be added to the corresponding
driver. However newer Rockchip SoCs like the RK356x have an independent
True Random Number Generator device. This patch adds a driver for it,
greatly inspired from the downstream driver.
The TRNG device does not seem to have a signal conditionner and the FIPS
140-2 test returns a lot of failures. They can be reduced by increasing
RK_RNG_SAMPLE_CNT, in a tradeoff between quality and speed. This value
has been adjusted to get ~90% of successes and the quality value has
been set accordingly.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
drivers/char/hw_random/Kconfig | 14 ++
drivers/char/hw_random/Makefile | 1 +
drivers/char/hw_random/rockchip-rng.c | 251 ++++++++++++++++++++++++++
3 files changed, 266 insertions(+)
create mode 100644 drivers/char/hw_random/rockchip-rng.c
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -573,6 +573,20 @@ config HW_RANDOM_JH7110
To compile this driver as a module, choose M here.
The module will be called jh7110-trng.
+config HW_RANDOM_ROCKCHIP
+ tristate "Rockchip True Random Number Generator"
+ depends on HW_RANDOM && (ARCH_ROCKCHIP || COMPILE_TEST)
+ depends on HAS_IOMEM
+ default HW_RANDOM
+ help
+ This driver provides kernel-side support for the True Random Number
+ Generator hardware found on some Rockchip SoC like RK3566 or RK3568.
+
+ To compile this driver as a module, choose M here: the
+ module will be called rockchip-rng.
+
+ If unsure, say Y.
+
endif # HW_RANDOM
config UML_RANDOM
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -48,4 +48,5 @@ obj-$(CONFIG_HW_RANDOM_XIPHERA) += xiphe
obj-$(CONFIG_HW_RANDOM_ARM_SMCCC_TRNG) += arm_smccc_trng.o
obj-$(CONFIG_HW_RANDOM_CN10K) += cn10k-rng.o
obj-$(CONFIG_HW_RANDOM_POLARFIRE_SOC) += mpfs-rng.o
+obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o
obj-$(CONFIG_HW_RANDOM_JH7110) += jh7110-trng.o
--- /dev/null
+++ b/drivers/char/hw_random/rockchip-rng.c
@@ -0,0 +1,251 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * rockchip-rng.c True Random Number Generator driver for Rockchip SoCs
+ *
+ * Copyright (c) 2018, Fuzhou Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2022, Aurelien Jarno
+ * Authors:
+ * Lin Jinhan <troy.lin@rock-chips.com>
+ * Aurelien Jarno <aurelien@aurel32.net>
+ */
+#include <linux/clk.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+
+#define RK_RNG_AUTOSUSPEND_DELAY 100
+#define RK_RNG_MAX_BYTE 32
+#define RK_RNG_POLL_PERIOD_US 100
+#define RK_RNG_POLL_TIMEOUT_US 10000
+
+/*
+ * TRNG collects osc ring output bit every RK_RNG_SAMPLE_CNT time. The value is
+ * a tradeoff between speed and quality and has been adjusted to get a quality
+ * of ~900 (~90% of FIPS 140-2 successes).
+ */
+#define RK_RNG_SAMPLE_CNT 1000
+
+/* TRNG registers from RK3568 TRM-Part2, section 5.4.1 */
+#define TRNG_RST_CTL 0x0004
+#define TRNG_RNG_CTL 0x0400
+#define TRNG_RNG_CTL_LEN_64_BIT (0x00 << 4)
+#define TRNG_RNG_CTL_LEN_128_BIT (0x01 << 4)
+#define TRNG_RNG_CTL_LEN_192_BIT (0x02 << 4)
+#define TRNG_RNG_CTL_LEN_256_BIT (0x03 << 4)
+#define TRNG_RNG_CTL_OSC_RING_SPEED_0 (0x00 << 2)
+#define TRNG_RNG_CTL_OSC_RING_SPEED_1 (0x01 << 2)
+#define TRNG_RNG_CTL_OSC_RING_SPEED_2 (0x02 << 2)
+#define TRNG_RNG_CTL_OSC_RING_SPEED_3 (0x03 << 2)
+#define TRNG_RNG_CTL_ENABLE BIT(1)
+#define TRNG_RNG_CTL_START BIT(0)
+#define TRNG_RNG_SAMPLE_CNT 0x0404
+#define TRNG_RNG_DOUT_0 0x0410
+#define TRNG_RNG_DOUT_1 0x0414
+#define TRNG_RNG_DOUT_2 0x0418
+#define TRNG_RNG_DOUT_3 0x041c
+#define TRNG_RNG_DOUT_4 0x0420
+#define TRNG_RNG_DOUT_5 0x0424
+#define TRNG_RNG_DOUT_6 0x0428
+#define TRNG_RNG_DOUT_7 0x042c
+
+struct rk_rng {
+ struct hwrng rng;
+ void __iomem *base;
+ struct reset_control *rst;
+ int clk_num;
+ struct clk_bulk_data *clk_bulks;
+};
+
+/* The mask determine the bits that are updated */
+static void rk_rng_write_ctl(struct rk_rng *rng, u32 val, u32 mask)
+{
+ writel_relaxed((mask << 16) | val, rng->base + TRNG_RNG_CTL);
+}
+
+static int rk_rng_init(struct hwrng *rng)
+{
+ struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);
+ u32 reg;
+ int ret;
+
+ /* start clocks */
+ ret = clk_bulk_prepare_enable(rk_rng->clk_num, rk_rng->clk_bulks);
+ if (ret < 0) {
+ dev_err((struct device *) rk_rng->rng.priv,
+ "Failed to enable clks %d\n", ret);
+ return ret;
+ }
+
+ /* set the sample period */
+ writel(RK_RNG_SAMPLE_CNT, rk_rng->base + TRNG_RNG_SAMPLE_CNT);
+
+ /* set osc ring speed and enable it */
+ reg = TRNG_RNG_CTL_LEN_256_BIT |
+ TRNG_RNG_CTL_OSC_RING_SPEED_0 |
+ TRNG_RNG_CTL_ENABLE;
+ rk_rng_write_ctl(rk_rng, reg, 0xffff);
+
+ return 0;
+}
+
+static void rk_rng_cleanup(struct hwrng *rng)
+{
+ struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);
+ u32 reg;
+
+ /* stop TRNG */
+ reg = 0;
+ rk_rng_write_ctl(rk_rng, reg, 0xffff);
+
+ /* stop clocks */
+ clk_bulk_disable_unprepare(rk_rng->clk_num, rk_rng->clk_bulks);
+}
+
+static int rk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
+{
+ struct rk_rng *rk_rng = container_of(rng, struct rk_rng, rng);
+ u32 reg;
+ int ret = 0;
+ int i;
+
+ pm_runtime_get_sync((struct device *) rk_rng->rng.priv);
+
+ /* Start collecting random data */
+ reg = TRNG_RNG_CTL_START;
+ rk_rng_write_ctl(rk_rng, reg, reg);
+
+ ret = readl_poll_timeout(rk_rng->base + TRNG_RNG_CTL, reg,
+ !(reg & TRNG_RNG_CTL_START),
+ RK_RNG_POLL_PERIOD_US,
+ RK_RNG_POLL_TIMEOUT_US);
+ if (ret < 0)
+ goto out;
+
+ /* Read random data stored in big endian in the registers */
+ ret = min_t(size_t, max, RK_RNG_MAX_BYTE);
+ for (i = 0; i < ret; i += 4) {
+ reg = readl_relaxed(rk_rng->base + TRNG_RNG_DOUT_0 + i);
+ *(u32 *)(buf + i) = be32_to_cpu(reg);
+ }
+
+out:
+ pm_runtime_mark_last_busy((struct device *) rk_rng->rng.priv);
+ pm_runtime_put_sync_autosuspend((struct device *) rk_rng->rng.priv);
+
+ return ret;
+}
+
+static int rk_rng_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct rk_rng *rk_rng;
+ int ret;
+
+ rk_rng = devm_kzalloc(dev, sizeof(struct rk_rng), GFP_KERNEL);
+ if (!rk_rng)
+ return -ENOMEM;
+
+ rk_rng->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(rk_rng->base))
+ return PTR_ERR(rk_rng->base);
+
+ rk_rng->clk_num = devm_clk_bulk_get_all(dev, &rk_rng->clk_bulks);
+ if (rk_rng->clk_num < 0)
+ return dev_err_probe(dev, rk_rng->clk_num,
+ "Failed to get clks property\n");
+
+ rk_rng->rst = devm_reset_control_array_get(&pdev->dev, false, false);
+ if (IS_ERR(rk_rng->rst))
+ return dev_err_probe(dev, PTR_ERR(rk_rng->rst),
+ "Failed to get reset property\n");
+
+ reset_control_assert(rk_rng->rst);
+ udelay(2);
+ reset_control_deassert(rk_rng->rst);
+
+ platform_set_drvdata(pdev, rk_rng);
+
+ rk_rng->rng.name = dev_driver_string(dev);
+#ifndef CONFIG_PM
+ rk_rng->rng.init = rk_rng_init;
+ rk_rng->rng.cleanup = rk_rng_cleanup;
+#endif
+ rk_rng->rng.read = rk_rng_read;
+ rk_rng->rng.priv = (unsigned long) dev;
+ rk_rng->rng.quality = 900;
+
+ pm_runtime_set_autosuspend_delay(dev, RK_RNG_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_enable(dev);
+
+ ret = devm_hwrng_register(dev, &rk_rng->rng);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "Failed to register Rockchip hwrng\n");
+
+ dev_info(&pdev->dev, "Registered Rockchip hwrng\n");
+
+ return 0;
+}
+
+static int rk_rng_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int rk_rng_runtime_suspend(struct device *dev)
+{
+ struct rk_rng *rk_rng = dev_get_drvdata(dev);
+
+ rk_rng_cleanup(&rk_rng->rng);
+
+ return 0;
+}
+
+static int rk_rng_runtime_resume(struct device *dev)
+{
+ struct rk_rng *rk_rng = dev_get_drvdata(dev);
+
+ return rk_rng_init(&rk_rng->rng);
+}
+#endif
+
+static const struct dev_pm_ops rk_rng_pm_ops = {
+ SET_RUNTIME_PM_OPS(rk_rng_runtime_suspend,
+ rk_rng_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+static const struct of_device_id rk_rng_dt_match[] = {
+ {
+ .compatible = "rockchip,rk3568-rng",
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, rk_rng_dt_match);
+
+static struct platform_driver rk_rng_driver = {
+ .driver = {
+ .name = "rockchip-rng",
+ .pm = &rk_rng_pm_ops,
+ .of_match_table = rk_rng_dt_match,
+ },
+ .probe = rk_rng_probe,
+ .remove = rk_rng_remove,
+};
+
+module_platform_driver(rk_rng_driver);
+
+MODULE_DESCRIPTION("Rockchip True Random Number Generator driver");
+MODULE_AUTHOR("Lin Jinhan <troy.lin@rock-chips.com>, Aurelien Jarno <aurelien@aurel32.net>");
+MODULE_LICENSE("GPL v2");

View File

@@ -0,0 +1,56 @@
From patchwork Sat Nov 12 14:10:59 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Aurelien Jarno <aurelien@aurel32.net>
X-Patchwork-Id: 13041221
From: Aurelien Jarno <aurelien@aurel32.net>
To: Olivia Mackall <olivia@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
Philipp Zabel <p.zabel@pengutronix.de>,
Lin Jinhan <troy.lin@rock-chips.com>
Cc: linux-crypto@vger.kernel.org (open list:HARDWARE RANDOM NUMBER GENERATOR
CORE),
devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE
BINDINGS),
linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC
support),
linux-rockchip@lists.infradead.org (open list:ARM/Rockchip SoC support),
linux-kernel@vger.kernel.org (open list),
Aurelien Jarno <aurelien@aurel32.net>
Subject: [PATCH v1 3/3] arm64: dts: rockchip: add DT entry for RNG to RK356x
Date: Sat, 12 Nov 2022 15:10:59 +0100
Message-Id: <20221112141059.3802506-4-aurelien@aurel32.net>
In-Reply-To: <20221112141059.3802506-1-aurelien@aurel32.net>
References: <20221112141059.3802506-1-aurelien@aurel32.net>
MIME-Version: 1.0
List-Id: <linux-arm-kernel.lists.infradead.org>
Enable the just added Rockchip RNG driver for RK356x SoCs.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1848,6 +1848,15 @@
};
};
+ rng: rng@fe388000 {
+ compatible = "rockchip,rk3568-rng";
+ reg = <0x0 0xfe388000 0x0 0x4000>;
+ clocks = <&cru CLK_TRNG_NS>, <&cru HCLK_TRNG_NS>;
+ clock-names = "trng_clk", "trng_hclk";
+ resets = <&cru SRST_TRNG_NS>;
+ reset-names = "reset";
+ };
+
pinctrl: pinctrl {
compatible = "rockchip,rk3568-pinctrl";
rockchip,grf = <&grf>;