linux-kernel - [PATCH v2 02/11] clk: renesas: r9a08g045-cpg: Add clock and reset support for ETH0 and ETH1

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Message-Id: <20231207070700.4156557-3-claudiu.beznea.uj@bp.renesas.com>
Date:   Thu,  7 Dec 2023 09:06:51 +0200
From:   Claudiu <claudiu.beznea@...on.dev>
To:     s.shtylyov@....ru, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        geert+renesas@...der.be, magnus.damm@...il.com,
        mturquette@...libre.com, sboyd@...nel.org,
        linus.walleij@...aro.org, prabhakar.mahadev-lad.rj@...renesas.com,
        biju.das.jz@...renesas.com
Cc:     linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v2 02/11] clk: renesas: r9a08g045-cpg: Add clock and reset support for ETH0 and ETH1

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

RZ/G3S has 2 Gigabit Ethernet interfaces available. Add clock and reset
support for both of them.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---

Changes in v2:
- dropped MSTOP

 drivers/clk/renesas/r9a08g045-cpg.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c
index 4394cb241d99..a6d3bea968c0 100644
--- a/drivers/clk/renesas/r9a08g045-cpg.c
+++ b/drivers/clk/renesas/r9a08g045-cpg.c
@@ -181,9 +181,11 @@ static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = {
 	DEF_G3S_DIV("P3", R9A08G045_CLK_P3, CLK_PLL3_DIV2_4, DIVPL3C, G3S_DIVPL3C_STS,
 		    dtable_1_32, 0, 0, 0, NULL),
 	DEF_FIXED("P3_DIV2", CLK_P3_DIV2, R9A08G045_CLK_P3, 1, 2),
+	DEF_FIXED("ZT", R9A08G045_CLK_ZT, CLK_PLL3_DIV2_8, 1, 1),
 	DEF_FIXED("S0", R9A08G045_CLK_S0, CLK_SEL_PLL4, 1, 2),
 	DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1),
 	DEF_FIXED("OSC2", R9A08G045_OSCCLK2, CLK_EXTAL, 1, 3),
+	DEF_FIXED("HP", R9A08G045_CLK_HP, CLK_PLL6, 1, 2),
 };
 
 static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
@@ -202,6 +204,12 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
 	DEF_MOD("sdhi2_imclk2",		R9A08G045_SDHI2_IMCLK2, CLK_SD2_DIV4, 0x554, 9),
 	DEF_MOD("sdhi2_clk_hs",		R9A08G045_SDHI2_CLK_HS, R9A08G045_CLK_SD2, 0x554, 10),
 	DEF_MOD("sdhi2_aclk",		R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11),
+	DEF_COUPLED("eth0_axi",		R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0),
+	DEF_COUPLED("eth0_chi",		R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0),
+	DEF_MOD("eth0_refclk",		R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8),
+	DEF_COUPLED("eth1_axi",		R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1),
+	DEF_COUPLED("eth1_chi",		R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1),
+	DEF_MOD("eth1_refclk",		R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9),
 	DEF_MOD("scif0_clk_pck",	R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0),
 	DEF_MOD("gpio_hclk",		R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0),
 };
@@ -212,6 +220,8 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
 	DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0),
 	DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1),
 	DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2),
+	DEF_RST(R9A08G045_ETH0_RST_HW_N, 0x87c, 0),
+	DEF_RST(R9A08G045_ETH1_RST_HW_N, 0x87c, 1),
 	DEF_RST(R9A08G045_SCIF0_RST_SYSTEM_N, 0x884, 0),
 	DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0),
 	DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1),
-- 
2.39.2