Re: [PATCH 01/13] ARM: shmobile: r8a7792: add clock index macros

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On 06/01/2016 10:22 AM, Geert Uytterhoeven wrote:

Add macros usable by the device tree sources to reference the R8A7792
clocks  by index.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

---
 include/dt-bindings/clock/r8a7792-clock.h |  104 ++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

Index: renesas/include/dt-bindings/clock/r8a7792-clock.h
===================================================================
--- /dev/null
+++ renesas/include/dt-bindings/clock/r8a7792-clock.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 Cogent Embedded, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_R8A7792_H__
+#define __DT_BINDINGS_CLOCK_R8A7792_H__
+
+/* CPG */
+#define R8A7792_CLK_MAIN               0
+#define R8A7792_CLK_PLL0               1
+#define R8A7792_CLK_PLL1               2
+#define R8A7792_CLK_PLL3               3
+#define R8A7792_CLK_LB                 4
+#define R8A7792_CLK_QSPI               5
+#define R8A7792_CLK_SDH                        6
+#define R8A7792_CLK_SD0                        7
+#define R8A7792_CLK_SD1                        8

As Simon already pointed out, there are no ...SD* clocks on V2H.

   Right, looks like I shouldn't have trusted the original patch... :-/

+#define R8A7792_CLK_Z                  9

+/* MSTP1 */
+#define R8A7792_CLK_TMU1               11
+#define R8A7792_CLK_TMU3               21
+#define R8A7792_CLK_TMU2               22
+#define R8A7792_CLK_CMT0               24
+#define R8A7792_CLK_TMU0               25
+#define R8A7792_CLK_VSP1DU1            27
+#define R8A7792_CLK_VSP1DU0            28
+#define R8A7792_CLK_VSP1_SY            31

These are called ...VSP1_DU1, ...VSP1_DU0, and ...VSP1_S on all other
R-Car Gen2 SoCs.

   My naming comes from the 1.02 manual.

+/* MSTP2 */
+#define R8A7792_CLK_MSIOF1             8
+#define R8A7792_CLK_SYS_DMAC0          18

This is ...SYS_DMAC1

+#define R8A7792_CLK_SYS_DMAC1          19

... and this is ...SYS_DMAC0

   Thanks for catching!

+/* MSTP9 */
+#define R8A7792_CLK_GPIO7              4
+#define R8A7792_CLK_GPIO6              5
+#define R8A7792_CLK_GPIO5              7
+#define R8A7792_CLK_GPIO4              8
+#define R8A7792_CLK_GPIO3              9
+#define R8A7792_CLK_GPIO2              10
+#define R8A7792_CLK_GPIO1              11
+#define R8A7792_CLK_GPIO0              12
+#define R8A7792_CLK_GPIO11             13
+#define R8A7792_CLK_GPIO10             14
+#define R8A7792_CLK_CAN1               15
+#define R8A7792_CLK_CAN0               16

These are called ...RCAN1 and ...RCAR0 on all other R-Car Gen2 SoCs.

Not in the 1.02 manual (they were called RCAN<n> in some of the earlier manual revs). Dunno if it makes sense to rename them in the other .dts now...

Gr{oetje,eeting}s,

                        Geert

WBR, Sergei

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