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Message-ID: <914978925d34cfb5bee10fe92603f98763af48b0.1730123575.git.andrea.porta@suse.com>
Date: Mon, 28 Oct 2024 15:07:18 +0100
From: Andrea della Porta <andrea.porta@...e.com>
To: Andrea della Porta <andrea.porta@...e.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczynski <kw@...ux.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Linus Walleij <linus.walleij@...aro.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Derek Kiernan <derek.kiernan@....com>,
Dragan Cvetic <dragan.cvetic@....com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Saravana Kannan <saravanak@...gle.com>,
linux-clk@...r.kernel.org,
devicetree@...r.kernel.org,
linux-rpi-kernel@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org,
linux-gpio@...r.kernel.org,
Masahiro Yamada <masahiroy@...nel.org>,
Stefan Wahren <wahrenst@....net>,
Herve Codina <herve.codina@...tlin.com>,
Luca Ceresoli <luca.ceresoli@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v3 01/12] dt-bindings: clock: Add RaspberryPi RP1 clock bindings
Add device tree bindings for the clock generator found in RP1 multi
function device, and relative entries in MAINTAINERS file.
Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
---
.../clock/raspberrypi,rp1-clocks.yaml | 62 +++++++++++++++++++
MAINTAINERS | 6 ++
.../clock/raspberrypi,rp1-clocks.h | 61 ++++++++++++++++++
3 files changed, 129 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
create mode 100644 include/dt-bindings/clock/raspberrypi,rp1-clocks.h
diff --git a/Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml b/Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
new file mode 100644
index 000000000000..a123dd619f8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/raspberrypi,rp1-clocks.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RaspberryPi RP1 clock generator
+
+maintainers:
+ - Andrea della Porta <andrea.porta@...e.com>
+
+description: |
+ The RP1 contains a clock generator designed as three PLLs (CORE, AUDIO,
+ VIDEO), and each PLL output can be programmed though dividers to generate
+ the clocks to drive the sub-peripherals embedded inside the chipset.
+
+ Link to datasheet:
+ https://datasheets.raspberrypi.com/rp1/rp1-peripherals.pdf
+
+properties:
+ compatible:
+ const: raspberrypi,rp1-clocks
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ description:
+ The index in the assigned-clocks is mapped to the output clock as per
+ definitions in include/dt-bindings/clock/raspberrypi,rp1-clocks.h.
+ const: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: xosc
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/raspberrypi,rp1-clocks.h>
+
+ rp1 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ clocks@...0018000 {
+ compatible = "raspberrypi,rp1-clocks";
+ reg = <0xc0 0x40018000 0x0 0x10038>;
+ #clock-cells = <1>;
+ clocks = <&clk_rp1_xosc>;
+ clock-names = "xosc";
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index c27f3190737f..75a66e3e34c9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19380,6 +19380,12 @@ F: Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
F: drivers/media/platform/raspberrypi/pisp_be/
F: include/uapi/linux/media/raspberrypi/
+RASPBERRY PI RP1 PCI DRIVER
+M: Andrea della Porta <andrea.porta@...e.com>
+S: Maintained
+F: Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml
+F: include/dt-bindings/clock/rp1.h
+
RC-CORE / LIRC FRAMEWORK
M: Sean Young <sean@...s.org>
L: linux-media@...r.kernel.org
diff --git a/include/dt-bindings/clock/raspberrypi,rp1-clocks.h b/include/dt-bindings/clock/raspberrypi,rp1-clocks.h
new file mode 100644
index 000000000000..248efb895f35
--- /dev/null
+++ b/include/dt-bindings/clock/raspberrypi,rp1-clocks.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2021 Raspberry Pi Ltd.
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_RASPBERRYPI_RP1
+#define __DT_BINDINGS_CLOCK_RASPBERRYPI_RP1
+
+#define RP1_PLL_SYS_CORE 0
+#define RP1_PLL_AUDIO_CORE 1
+#define RP1_PLL_VIDEO_CORE 2
+
+#define RP1_PLL_SYS 3
+#define RP1_PLL_AUDIO 4
+#define RP1_PLL_VIDEO 5
+
+#define RP1_PLL_SYS_PRI_PH 6
+#define RP1_PLL_SYS_SEC_PH 7
+#define RP1_PLL_AUDIO_PRI_PH 8
+
+#define RP1_PLL_SYS_SEC 9
+#define RP1_PLL_AUDIO_SEC 10
+#define RP1_PLL_VIDEO_SEC 11
+
+#define RP1_CLK_SYS 12
+#define RP1_CLK_SLOW_SYS 13
+#define RP1_CLK_DMA 14
+#define RP1_CLK_UART 15
+#define RP1_CLK_ETH 16
+#define RP1_CLK_PWM0 17
+#define RP1_CLK_PWM1 18
+#define RP1_CLK_AUDIO_IN 19
+#define RP1_CLK_AUDIO_OUT 20
+#define RP1_CLK_I2S 21
+#define RP1_CLK_MIPI0_CFG 22
+#define RP1_CLK_MIPI1_CFG 23
+#define RP1_CLK_PCIE_AUX 24
+#define RP1_CLK_USBH0_MICROFRAME 25
+#define RP1_CLK_USBH1_MICROFRAME 26
+#define RP1_CLK_USBH0_SUSPEND 27
+#define RP1_CLK_USBH1_SUSPEND 28
+#define RP1_CLK_ETH_TSU 29
+#define RP1_CLK_ADC 30
+#define RP1_CLK_SDIO_TIMER 31
+#define RP1_CLK_SDIO_ALT_SRC 32
+#define RP1_CLK_GP0 33
+#define RP1_CLK_GP1 34
+#define RP1_CLK_GP2 35
+#define RP1_CLK_GP3 36
+#define RP1_CLK_GP4 37
+#define RP1_CLK_GP5 38
+#define RP1_CLK_VEC 39
+#define RP1_CLK_DPI 40
+#define RP1_CLK_MIPI0_DPI 41
+#define RP1_CLK_MIPI1_DPI 42
+
+/* Extra PLL output channels - RP1B0 only */
+#define RP1_PLL_VIDEO_PRI_PH 43
+#define RP1_PLL_AUDIO_TERN 44
+
+#endif
--
2.35.3
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