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Message-Id: <1633399706-1251-4-git-send-email-hayashi.kunihiko@socionext.com>
Date: Tue, 5 Oct 2021 11:08:24 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Masami Hiramatsu <mhiramat@...nel.org>
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH 3/5] clk: uniphier: Add NX1 clock support
Add basic clock data for UniPhier NX1 SoC.
This includes PLL and clock division data for cpufreq support.
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
drivers/clk/uniphier/clk-uniphier-core.c | 12 ++++++++++++
drivers/clk/uniphier/clk-uniphier-sys.c | 28 ++++++++++++++++++++++++++++
drivers/clk/uniphier/clk-uniphier.h | 5 +++++
3 files changed, 45 insertions(+)
diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c
index 1238023..0a947e7 100644
--- a/drivers/clk/uniphier/clk-uniphier-core.c
+++ b/drivers/clk/uniphier/clk-uniphier-core.c
@@ -132,6 +132,10 @@ static const struct of_device_id uniphier_clk_match[] = {
.compatible = "socionext,uniphier-pxs3-clock",
.data = uniphier_pxs3_sys_clk_data,
},
+ {
+ .compatible = "socionext,uniphier-nx1-clock",
+ .data = uniphier_nx1_sys_clk_data,
+ },
/* Media I/O clock, SD clock */
{
.compatible = "socionext,uniphier-ld4-mio-clock",
@@ -165,6 +169,10 @@ static const struct of_device_id uniphier_clk_match[] = {
.compatible = "socionext,uniphier-pxs3-sd-clock",
.data = uniphier_pro5_sd_clk_data,
},
+ {
+ .compatible = "socionext,uniphier-nx1-sd-clock",
+ .data = uniphier_pro5_sd_clk_data,
+ },
/* Peripheral clock */
{
.compatible = "socionext,uniphier-ld4-peri-clock",
@@ -198,6 +206,10 @@ static const struct of_device_id uniphier_clk_match[] = {
.compatible = "socionext,uniphier-pxs3-peri-clock",
.data = uniphier_pro4_peri_clk_data,
},
+ {
+ .compatible = "socionext,uniphier-nx1-peri-clock",
+ .data = uniphier_pro4_peri_clk_data,
+ },
{ /* sentinel */ }
};
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c
index 0ec28eb..e8bf85c 100644
--- a/drivers/clk/uniphier/clk-uniphier-sys.c
+++ b/drivers/clk/uniphier/clk-uniphier-sys.c
@@ -20,6 +20,10 @@
UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10), \
UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
+#define UNIPHIER_NX1_SYS_CLK_SD \
+ UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 4), \
+ UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 6)
+
#define UNIPHIER_LD4_SYS_CLK_NAND(idx) \
UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 32), \
UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x2104, 2)
@@ -302,3 +306,27 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
"spll/4", "spll/8", "s2pll/4", "s2pll/8"),
{ /* sentinel */ }
};
+
+const struct uniphier_clk_data uniphier_nx1_sys_clk_data[] = {
+ UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 100, 1), /* ARM: 2500 MHz */
+ UNIPHIER_CLK_FACTOR("spll", -1, "ref", 32, 1), /* 800 MHz */
+ UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 6),
+ UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+ UNIPHIER_NX1_SYS_CLK_SD,
+ UNIPHIER_CLK_GATE("emmc", 4, NULL, 0x2108, 8),
+ UNIPHIER_CLK_GATE("ether", 6, NULL, 0x210c, 0),
+ UNIPHIER_CLK_GATE("usb30-0", 12, NULL, 0x210c, 16), /* =GIO */
+ UNIPHIER_CLK_GATE("usb30-1", 13, NULL, 0x210c, 20), /* =GIO1P */
+ UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x210c, 24),
+ UNIPHIER_CLK_GATE("usb30-ssphy0", 17, NULL, 0x210c, 25),
+ UNIPHIER_CLK_GATE("usb30-ssphy1", 18, NULL, 0x210c, 26),
+ UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 8),
+ UNIPHIER_CLK_GATE("voc", 52, NULL, 0x2110, 0),
+ UNIPHIER_CLK_GATE("hdmitx", 58, NULL, 0x2110, 8),
+ /* CPU gears */
+ UNIPHIER_CLK_DIV5("cpll", 2, 4, 8, 16, 32),
+ UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 5,
+ "cpll/2", "cpll/4", "cpll/8", "cpll/16",
+ "cpll/32"),
+ { /* sentinel */ }
+};
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h
index 9e30362..c54fb78 100644
--- a/drivers/clk/uniphier/clk-uniphier.h
+++ b/drivers/clk/uniphier/clk-uniphier.h
@@ -119,6 +119,10 @@ struct uniphier_clk_data {
UNIPHIER_CLK_DIV2(parent, div0, div1), \
UNIPHIER_CLK_DIV2(parent, div2, div3)
+#define UNIPHIER_CLK_DIV5(parent, div0, div1, div2, div3, div4) \
+ UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3), \
+ UNIPHIER_CLK_DIV(parent, div4)
+
struct clk_hw *uniphier_clk_register_cpugear(struct device *dev,
struct regmap *regmap,
const char *name,
@@ -146,6 +150,7 @@ extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_nx1_sys_clk_data[];
extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[];
extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[];
extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[];
--
2.7.4
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