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Message-ID: <20240411092453.243633-3-gabriel.fernandez@foss.st.com>
Date: Thu, 11 Apr 2024 11:24:51 +0200
From: <gabriel.fernandez@...s.st.com>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd
<sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue
<alexandre.torgue@...s.st.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Gabriel Fernandez <gabriel.fernandez@...s.st.com>
CC: <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v11 2/4] dt-bindings: clocks: stm32mp25: add description of all parents
From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
RCC driver uses '.index' to define all parent clocks instead '.names'
because the use of a name to define a parent clock is prohibited.
This is ABI change, but the RCC driver has not yet merged, unlike all
others drivers besides Linux.
Fixes: b5be49db3d47 ("dt-bindings: stm32: add clocks and reset binding for stm32mp25 platform")
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Changes in v11
- fixes the the subject of this patch
Changes in v10:
- cosmetic change (add change blank line)
- rename USB2 into USBH to be compliant with last Reference Manuel
Changes in v9:
- Update DT binding documentation according S.Boyd remarks on RCC driver:
Don't use '.name' to define a parent but use '.index'
Then:
- remove 'clock-names' property
- Add description of all parent clocks used in RCC driver
v9 was acked-by Conor Dooley.
.../bindings/clock/st,stm32mp25-rcc.yaml | 170 ++++++++++++++++--
include/dt-bindings/reset/st,stm32mp25-rcc.h | 2 +-
2 files changed, 156 insertions(+), 16 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
index 7732e79a42b9..0929fa7e271b 100644
--- a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
+++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
@@ -38,14 +38,81 @@ properties:
- description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
- description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
- description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
-
- clock-names:
- items:
- - const: hse
- - const: hsi
- - const: msi
- - const: lse
- - const: lsi
+ - description: CK_SCMI_HSE_DIV2 CK_SCMI_HSE divided by 2 (coud be gated)
+ - description: CK_SCMI_ICN_HS_MCU High Speed interconnect bus clock
+ - description: CK_SCMI_ICN_LS_MCU Low Speed interconnect bus clock
+ - description: CK_SCMI_ICN_SDMMC SDMMC interconnect bus clock
+ - description: CK_SCMI_ICN_DDR DDR interconnect bus clock
+ - description: CK_SCMI_ICN_DISPLAY Display interconnect bus clock
+ - description: CK_SCMI_ICN_HSL HSL interconnect bus clock
+ - description: CK_SCMI_ICN_NIC NIC interconnect bus clock
+ - description: CK_SCMI_ICN_VID Video interconnect bus clock
+ - description: CK_SCMI_FLEXGEN_07 flexgen clock 7
+ - description: CK_SCMI_FLEXGEN_08 flexgen clock 8
+ - description: CK_SCMI_FLEXGEN_09 flexgen clock 9
+ - description: CK_SCMI_FLEXGEN_10 flexgen clock 10
+ - description: CK_SCMI_FLEXGEN_11 flexgen clock 11
+ - description: CK_SCMI_FLEXGEN_12 flexgen clock 12
+ - description: CK_SCMI_FLEXGEN_13 flexgen clock 13
+ - description: CK_SCMI_FLEXGEN_14 flexgen clock 14
+ - description: CK_SCMI_FLEXGEN_15 flexgen clock 15
+ - description: CK_SCMI_FLEXGEN_16 flexgen clock 16
+ - description: CK_SCMI_FLEXGEN_17 flexgen clock 17
+ - description: CK_SCMI_FLEXGEN_18 flexgen clock 18
+ - description: CK_SCMI_FLEXGEN_19 flexgen clock 19
+ - description: CK_SCMI_FLEXGEN_20 flexgen clock 20
+ - description: CK_SCMI_FLEXGEN_21 flexgen clock 21
+ - description: CK_SCMI_FLEXGEN_22 flexgen clock 22
+ - description: CK_SCMI_FLEXGEN_23 flexgen clock 23
+ - description: CK_SCMI_FLEXGEN_24 flexgen clock 24
+ - description: CK_SCMI_FLEXGEN_25 flexgen clock 25
+ - description: CK_SCMI_FLEXGEN_26 flexgen clock 26
+ - description: CK_SCMI_FLEXGEN_27 flexgen clock 27
+ - description: CK_SCMI_FLEXGEN_28 flexgen clock 28
+ - description: CK_SCMI_FLEXGEN_29 flexgen clock 29
+ - description: CK_SCMI_FLEXGEN_30 flexgen clock 30
+ - description: CK_SCMI_FLEXGEN_31 flexgen clock 31
+ - description: CK_SCMI_FLEXGEN_32 flexgen clock 32
+ - description: CK_SCMI_FLEXGEN_33 flexgen clock 33
+ - description: CK_SCMI_FLEXGEN_34 flexgen clock 34
+ - description: CK_SCMI_FLEXGEN_35 flexgen clock 35
+ - description: CK_SCMI_FLEXGEN_36 flexgen clock 36
+ - description: CK_SCMI_FLEXGEN_37 flexgen clock 37
+ - description: CK_SCMI_FLEXGEN_38 flexgen clock 38
+ - description: CK_SCMI_FLEXGEN_39 flexgen clock 39
+ - description: CK_SCMI_FLEXGEN_40 flexgen clock 40
+ - description: CK_SCMI_FLEXGEN_41 flexgen clock 41
+ - description: CK_SCMI_FLEXGEN_42 flexgen clock 42
+ - description: CK_SCMI_FLEXGEN_43 flexgen clock 43
+ - description: CK_SCMI_FLEXGEN_44 flexgen clock 44
+ - description: CK_SCMI_FLEXGEN_45 flexgen clock 45
+ - description: CK_SCMI_FLEXGEN_46 flexgen clock 46
+ - description: CK_SCMI_FLEXGEN_47 flexgen clock 47
+ - description: CK_SCMI_FLEXGEN_48 flexgen clock 48
+ - description: CK_SCMI_FLEXGEN_49 flexgen clock 49
+ - description: CK_SCMI_FLEXGEN_50 flexgen clock 50
+ - description: CK_SCMI_FLEXGEN_51 flexgen clock 51
+ - description: CK_SCMI_FLEXGEN_52 flexgen clock 52
+ - description: CK_SCMI_FLEXGEN_53 flexgen clock 53
+ - description: CK_SCMI_FLEXGEN_54 flexgen clock 54
+ - description: CK_SCMI_FLEXGEN_55 flexgen clock 55
+ - description: CK_SCMI_FLEXGEN_56 flexgen clock 56
+ - description: CK_SCMI_FLEXGEN_57 flexgen clock 57
+ - description: CK_SCMI_FLEXGEN_58 flexgen clock 58
+ - description: CK_SCMI_FLEXGEN_59 flexgen clock 59
+ - description: CK_SCMI_FLEXGEN_60 flexgen clock 60
+ - description: CK_SCMI_FLEXGEN_61 flexgen clock 61
+ - description: CK_SCMI_FLEXGEN_62 flexgen clock 62
+ - description: CK_SCMI_FLEXGEN_63 flexgen clock 63
+ - description: CK_SCMI_ICN_APB1 Peripheral bridge 1
+ - description: CK_SCMI_ICN_APB2 Peripheral bridge 2
+ - description: CK_SCMI_ICN_APB3 Peripheral bridge 3
+ - description: CK_SCMI_ICN_APB4 Peripheral bridge 4
+ - description: CK_SCMI_ICN_APBDBG Peripheral bridge for degub
+ - description: CK_SCMI_TIMG1 Peripheral bridge for timer1
+ - description: CK_SCMI_TIMG2 Peripheral bridge for timer2
+ - description: CK_SCMI_PLL3 PLL3 clock
+ - description: clk_dsi_txbyte DSI byte clock
required:
- compatible
@@ -53,7 +120,6 @@ required:
- '#clock-cells'
- '#reset-cells'
- clocks
- - clock-names
additionalProperties: false
@@ -66,11 +132,85 @@ examples:
reg = <0x44200000 0x10000>;
#clock-cells = <1>;
#reset-cells = <1>;
- clock-names = "hse", "hsi", "msi", "lse", "lsi";
- clocks = <&scmi_clk CK_SCMI_HSE>,
- <&scmi_clk CK_SCMI_HSI>,
- <&scmi_clk CK_SCMI_MSI>,
- <&scmi_clk CK_SCMI_LSE>,
- <&scmi_clk CK_SCMI_LSI>;
+ clocks = <&scmi_clk CK_SCMI_HSE>,
+ <&scmi_clk CK_SCMI_HSI>,
+ <&scmi_clk CK_SCMI_MSI>,
+ <&scmi_clk CK_SCMI_LSE>,
+ <&scmi_clk CK_SCMI_LSI>,
+ <&scmi_clk CK_SCMI_HSE_DIV2>,
+ <&scmi_clk CK_SCMI_ICN_HS_MCU>,
+ <&scmi_clk CK_SCMI_ICN_LS_MCU>,
+ <&scmi_clk CK_SCMI_ICN_SDMMC>,
+ <&scmi_clk CK_SCMI_ICN_DDR>,
+ <&scmi_clk CK_SCMI_ICN_DISPLAY>,
+ <&scmi_clk CK_SCMI_ICN_HSL>,
+ <&scmi_clk CK_SCMI_ICN_NIC>,
+ <&scmi_clk CK_SCMI_ICN_VID>,
+ <&scmi_clk CK_SCMI_FLEXGEN_07>,
+ <&scmi_clk CK_SCMI_FLEXGEN_08>,
+ <&scmi_clk CK_SCMI_FLEXGEN_09>,
+ <&scmi_clk CK_SCMI_FLEXGEN_10>,
+ <&scmi_clk CK_SCMI_FLEXGEN_11>,
+ <&scmi_clk CK_SCMI_FLEXGEN_12>,
+ <&scmi_clk CK_SCMI_FLEXGEN_13>,
+ <&scmi_clk CK_SCMI_FLEXGEN_14>,
+ <&scmi_clk CK_SCMI_FLEXGEN_15>,
+ <&scmi_clk CK_SCMI_FLEXGEN_16>,
+ <&scmi_clk CK_SCMI_FLEXGEN_17>,
+ <&scmi_clk CK_SCMI_FLEXGEN_18>,
+ <&scmi_clk CK_SCMI_FLEXGEN_19>,
+ <&scmi_clk CK_SCMI_FLEXGEN_20>,
+ <&scmi_clk CK_SCMI_FLEXGEN_21>,
+ <&scmi_clk CK_SCMI_FLEXGEN_22>,
+ <&scmi_clk CK_SCMI_FLEXGEN_23>,
+ <&scmi_clk CK_SCMI_FLEXGEN_24>,
+ <&scmi_clk CK_SCMI_FLEXGEN_25>,
+ <&scmi_clk CK_SCMI_FLEXGEN_26>,
+ <&scmi_clk CK_SCMI_FLEXGEN_27>,
+ <&scmi_clk CK_SCMI_FLEXGEN_28>,
+ <&scmi_clk CK_SCMI_FLEXGEN_29>,
+ <&scmi_clk CK_SCMI_FLEXGEN_30>,
+ <&scmi_clk CK_SCMI_FLEXGEN_31>,
+ <&scmi_clk CK_SCMI_FLEXGEN_32>,
+ <&scmi_clk CK_SCMI_FLEXGEN_33>,
+ <&scmi_clk CK_SCMI_FLEXGEN_34>,
+ <&scmi_clk CK_SCMI_FLEXGEN_35>,
+ <&scmi_clk CK_SCMI_FLEXGEN_36>,
+ <&scmi_clk CK_SCMI_FLEXGEN_37>,
+ <&scmi_clk CK_SCMI_FLEXGEN_38>,
+ <&scmi_clk CK_SCMI_FLEXGEN_39>,
+ <&scmi_clk CK_SCMI_FLEXGEN_40>,
+ <&scmi_clk CK_SCMI_FLEXGEN_41>,
+ <&scmi_clk CK_SCMI_FLEXGEN_42>,
+ <&scmi_clk CK_SCMI_FLEXGEN_43>,
+ <&scmi_clk CK_SCMI_FLEXGEN_44>,
+ <&scmi_clk CK_SCMI_FLEXGEN_45>,
+ <&scmi_clk CK_SCMI_FLEXGEN_46>,
+ <&scmi_clk CK_SCMI_FLEXGEN_47>,
+ <&scmi_clk CK_SCMI_FLEXGEN_48>,
+ <&scmi_clk CK_SCMI_FLEXGEN_49>,
+ <&scmi_clk CK_SCMI_FLEXGEN_50>,
+ <&scmi_clk CK_SCMI_FLEXGEN_51>,
+ <&scmi_clk CK_SCMI_FLEXGEN_52>,
+ <&scmi_clk CK_SCMI_FLEXGEN_53>,
+ <&scmi_clk CK_SCMI_FLEXGEN_54>,
+ <&scmi_clk CK_SCMI_FLEXGEN_55>,
+ <&scmi_clk CK_SCMI_FLEXGEN_56>,
+ <&scmi_clk CK_SCMI_FLEXGEN_57>,
+ <&scmi_clk CK_SCMI_FLEXGEN_58>,
+ <&scmi_clk CK_SCMI_FLEXGEN_59>,
+ <&scmi_clk CK_SCMI_FLEXGEN_60>,
+ <&scmi_clk CK_SCMI_FLEXGEN_61>,
+ <&scmi_clk CK_SCMI_FLEXGEN_62>,
+ <&scmi_clk CK_SCMI_FLEXGEN_63>,
+ <&scmi_clk CK_SCMI_ICN_APB1>,
+ <&scmi_clk CK_SCMI_ICN_APB2>,
+ <&scmi_clk CK_SCMI_ICN_APB3>,
+ <&scmi_clk CK_SCMI_ICN_APB4>,
+ <&scmi_clk CK_SCMI_ICN_APBDBG>,
+ <&scmi_clk CK_SCMI_TIMG1>,
+ <&scmi_clk CK_SCMI_TIMG2>,
+ <&scmi_clk CK_SCMI_PLL3>,
+ <&clk_dsi_txbyte>;
};
...
diff --git a/include/dt-bindings/reset/st,stm32mp25-rcc.h b/include/dt-bindings/reset/st,stm32mp25-rcc.h
index d5615930bcc8..748e78ae20bd 100644
--- a/include/dt-bindings/reset/st,stm32mp25-rcc.h
+++ b/include/dt-bindings/reset/st,stm32mp25-rcc.h
@@ -69,7 +69,7 @@
#define ADC3_R 59
#define ETH1_R 60
#define ETH2_R 61
-#define USB2_R 62
+#define USBH_R 62
#define USB2PHY1_R 63
#define USB2PHY2_R 64
#define USB3DR_R 65
--
2.25.1
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