From: Chris Brandt <chris.brandt@renesas.com>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>
Cc: <linux-spi@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-renesas-soc@vger.kernel.org>, <linux-clk@vger.kernel.org>,
Mason Yang <masonccyang@mxic.com.tw>,
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
Chris Brandt <chris.brandt@renesas.com>
Subject: [PATCH 3/6] clk: renesas: r7s9210: Add SPIBSC clock
Date: Mon, 2 Dec 2019 22:45:16 -0500 [thread overview]
Message-ID: <20191203034519.5640-4-chris.brandt@renesas.com> (raw)
In-Reply-To: <20191203034519.5640-1-chris.brandt@renesas.com>
The SPIBSC clocks are marked as critical because for XIP systems, the
kernel will be running from QSPI flash and cannot be turned off.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
---
drivers/clk/renesas/r7s9210-cpg-mssr.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/clk/renesas/r7s9210-cpg-mssr.c b/drivers/clk/renesas/r7s9210-cpg-mssr.c
index 14093503c085..153d3a49eee0 100644
--- a/drivers/clk/renesas/r7s9210-cpg-mssr.c
+++ b/drivers/clk/renesas/r7s9210-cpg-mssr.c
@@ -93,6 +93,7 @@ static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = {
DEF_MOD_STB("ether1", 64, R7S9210_CLK_B),
DEF_MOD_STB("ether0", 65, R7S9210_CLK_B),
+ DEF_MOD_STB("spibsc", 83, R7S9210_CLK_P1),
DEF_MOD_STB("i2c3", 84, R7S9210_CLK_P1),
DEF_MOD_STB("i2c2", 85, R7S9210_CLK_P1),
DEF_MOD_STB("i2c1", 86, R7S9210_CLK_P1),
@@ -112,6 +113,10 @@ static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = {
DEF_MOD_STB("vdc6", 81, R7S9210_CLK_P1),
};
+static const unsigned int r7s9210_crit_mod_clks[] __initconst = {
+ MOD_CLK_ID_10(83), /* SPIBSC */
+};
+
/* The clock dividers in the table vary based on DT and register settings */
static void __init r7s9210_update_clk_table(struct clk *extal_clk,
void __iomem *base)
@@ -213,6 +218,10 @@ const struct cpg_mssr_info r7s9210_cpg_mssr_info __initconst = {
.num_mod_clks = ARRAY_SIZE(r7s9210_mod_clks),
.num_hw_mod_clks = 11 * 32, /* includes STBCR0 which doesn't exist */
+ /* Critical Module Clocks */
+ .crit_mod_clks = r7s9210_crit_mod_clks,
+ .num_crit_mod_clks = ARRAY_SIZE(r7s9210_crit_mod_clks),
+
/* Callbacks */
.cpg_clk_register = rza2_cpg_clk_register,
--
2.23.0
next prev parent reply other threads:[~2019-12-03 4:02 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 3:45 [PATCH 0/6] spi: Add Renesas SPIBSC controller Chris Brandt
2019-12-03 3:45 ` [PATCH 1/6] clk: renesas: mstp: Add critical clock from device tree support Chris Brandt
2019-12-03 18:32 ` Geert Uytterhoeven
2019-12-03 18:46 ` Chris Brandt
2019-12-03 18:51 ` Geert Uytterhoeven
2019-12-03 3:45 ` [PATCH 2/6] ARM: dts: r7s72100: Add SPIBSC clocks Chris Brandt
2019-12-03 18:42 ` Geert Uytterhoeven
2019-12-03 18:57 ` Chris Brandt
2019-12-03 19:12 ` Geert Uytterhoeven
2019-12-04 8:38 ` Lee Jones
2019-12-04 9:03 ` Geert Uytterhoeven
2019-12-04 9:47 ` Lee Jones
2019-12-04 11:00 ` Chris Brandt
2019-12-03 3:45 ` Chris Brandt [this message]
2019-12-03 18:49 ` [PATCH 3/6] clk: renesas: r7s9210: Add SPIBSC clock Geert Uytterhoeven
2019-12-03 19:09 ` Chris Brandt
2019-12-03 20:40 ` Geert Uytterhoeven
2019-12-04 3:09 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 4/6] spi: Add SPIBSC driver Chris Brandt
2019-12-03 14:19 ` Mark Brown
2019-12-03 15:00 ` Chris Brandt
2019-12-03 18:29 ` Geert Uytterhoeven
2019-12-04 11:25 ` Mark Brown
2019-12-04 12:14 ` Geert Uytterhoeven
2019-12-04 15:51 ` Chris Brandt
2019-12-04 16:49 ` Mark Brown
2019-12-03 18:28 ` Geert Uytterhoeven
2019-12-04 11:18 ` Mark Brown
2019-12-04 22:12 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 5/6] ARM: dts: r7s9210: Add SPIBSC Device support Chris Brandt
2019-12-03 18:59 ` Geert Uytterhoeven
2019-12-03 22:38 ` Chris Brandt
2019-12-04 7:57 ` Geert Uytterhoeven
2019-12-04 11:04 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 6/6] dt-bindings: spi: Document Renesas SPIBSC bindings Chris Brandt
2019-12-03 9:14 ` Sergei Shtylyov
2019-12-03 13:27 ` Chris Brandt
2019-12-03 16:04 ` Sergei Shtylyov
2019-12-03 16:35 ` Chris Brandt
2019-12-03 18:57 ` Geert Uytterhoeven
2019-12-03 20:39 ` Geert Uytterhoeven
2019-12-04 2:54 ` Chris Brandt
2019-12-04 8:56 ` Geert Uytterhoeven
2019-12-04 13:31 ` Chris Brandt
2019-12-05 15:48 ` Geert Uytterhoeven
2019-12-05 16:00 ` Chris Brandt
2019-12-04 8:40 ` Geert Uytterhoeven
2019-12-03 22:33 ` Chris Brandt
2019-12-04 8:43 ` Geert Uytterhoeven
2019-12-04 11:19 ` Chris Brandt
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