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([2401:4900:1c07:6d70:c338:e681:47e3:e797]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29034f8f9bbsm167171125ad.121.2025.10.14.08.13.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 08:13:44 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 1/2] dt-bindings: clock: renesas,r9a09g077/87: Add XSPI0/1 IDs Date: Tue, 14 Oct 2025 16:13:24 +0100 Message-ID: <20251014151325.160062-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251014151325.160062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251014151325.160062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Add clock definitions for XSPI0/1 to both R9A09G077 and R9A09G087 SoCs. These definitions are required for describing XSPI devices in DT Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h | 2 ++ include/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h b/inclu= de/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h index 2a805e06487b..9eaedca6a616 100644 --- a/include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h +++ b/include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h @@ -31,5 +31,7 @@ #define R9A09G077_ETCLKC 19 #define R9A09G077_ETCLKD 20 #define R9A09G077_ETCLKE 21 +#define R9A09G077_XSPI_CLK0 22 +#define R9A09G077_XSPI_CLK1 23 =20 #endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G077_CPG_H__ */ diff --git a/include/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h b/inclu= de/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h index 09da0ad33be6..606468ac49a4 100644 --- a/include/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h +++ b/include/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h @@ -31,5 +31,7 @@ #define R9A09G087_ETCLKC 19 #define R9A09G087_ETCLKD 20 #define R9A09G087_ETCLKE 21 +#define R9A09G087_XSPI_CLK0 22 +#define R9A09G087_XSPI_CLK1 23 =20 #endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G087_CPG_H__ */ --=20 2.43.0 From nobody Fri Dec 19 19:03:16 2025 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3D412F9985 for ; 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([2401:4900:1c07:6d70:c338:e681:47e3:e797]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29034f8f9bbsm167171125ad.121.2025.10.14.08.13.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 08:13:50 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 2/2] clk: renesas: r9a09g077: Add xSPI core and module clocks Date: Tue, 14 Oct 2025 16:13:25 +0100 Message-ID: <20251014151325.160062-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251014151325.160062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251014151325.160062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Add module and core clocks used by xSPI (Expanded SPI) IP on the R9A09G077 SoC. The xSPI block uses PCLKH as its bus clock, while the operation clock (XSPI_CLKn) is derived from PLL4. To support this, define new selectors and dividers (FSELXSPI0/1 and DIVSEL_XSPI0/1) in SCKCR. Signed-off-by: Lad Prabhakar --- drivers/clk/renesas/r9a09g077-cpg.c | 35 ++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/drivers/clk/renesas/r9a09g077-cpg.c b/drivers/clk/renesas/r9a0= 9g077-cpg.c index 4ec6c4ddc5f5..e08b1a589ccc 100644 --- a/drivers/clk/renesas/r9a09g077-cpg.c +++ b/drivers/clk/renesas/r9a09g077-cpg.c @@ -54,6 +54,10 @@ #define DIVSCI3ASYNC CONF_PACK(SCKCR3, 12, 2) #define DIVSCI4ASYNC CONF_PACK(SCKCR3, 14, 2) =20 +#define FSELXSPI0 CONF_PACK(SCKCR, 0, 3) +#define FSELXSPI1 CONF_PACK(SCKCR, 8, 3) +#define DIVSEL_XSPI0 CONF_PACK(SCKCR, 6, 1) +#define DIVSEL_XSPI1 CONF_PACK(SCKCR, 14, 1) #define SEL_PLL CONF_PACK(SCKCR, 22, 1) =20 =20 @@ -72,7 +76,7 @@ enum rzt2h_clk_types { =20 enum clk_ids { /* Core Clock Outputs exported to DT */ - LAST_DT_CORE_CLK =3D R9A09G077_ETCLKE, + LAST_DT_CORE_CLK =3D R9A09G077_XSPI_CLK1, =20 /* External Input Clocks */ CLK_EXTAL, @@ -88,12 +92,16 @@ enum clk_ids { CLK_SEL_CLK_PLL2, CLK_SEL_CLK_PLL4, CLK_PLL4D1, + CLK_PLL4D1_DIV3, + CLK_PLL4D1_DIV4, CLK_SCI0ASYNC, CLK_SCI1ASYNC, CLK_SCI2ASYNC, CLK_SCI3ASYNC, CLK_SCI4ASYNC, CLK_SCI5ASYNC, + CLK_DIVSELXSPI0_SCKCR, + CLK_DIVSELXSPI1_SCKCR, =20 /* Module Clocks */ MOD_CLK_BASE, @@ -105,6 +113,15 @@ static const struct clk_div_table dtable_1_2[] =3D { {0, 0}, }; =20 +static const struct clk_div_table dtable_6_8_16_32_64[] =3D { + {6, 64}, + {5, 32}, + {4, 16}, + {3, 8}, + {2, 6}, + {0, 0}, +}; + static const struct clk_div_table dtable_24_25_30_32[] =3D { {0, 32}, {1, 30}, @@ -119,6 +136,7 @@ static const char * const sel_clk_pll0[] =3D { ".loco",= ".pll0" }; static const char * const sel_clk_pll1[] =3D { ".loco", ".pll1" }; static const char * const sel_clk_pll2[] =3D { ".loco", ".pll2" }; static const char * const sel_clk_pll4[] =3D { ".loco", ".pll4" }; +static const char * const sel_clk_pll4d1_div3_div4[] =3D { ".pll4d1_div3",= ".pll4d1_div4" }; =20 static const struct cpg_core_clk r9a09g077_core_clks[] __initconst =3D { /* External Clock Inputs */ @@ -154,6 +172,15 @@ static const struct cpg_core_clk r9a09g077_core_clks[]= __initconst =3D { DEF_DIV(".sci5async", CLK_SCI5ASYNC, CLK_PLL4D1, DIVSCI5ASYNC, dtable_24_25_30_32), =20 + DEF_FIXED(".pll4d1_div3", CLK_PLL4D1_DIV3, CLK_PLL4D1, 3, 1), + DEF_FIXED(".pll4d1_div4", CLK_PLL4D1_DIV4, CLK_PLL4D1, 4, 1), + DEF_MUX(".divselxspi0", CLK_DIVSELXSPI0_SCKCR, DIVSEL_XSPI0, + sel_clk_pll4d1_div3_div4, + ARRAY_SIZE(sel_clk_pll4d1_div3_div4), CLK_MUX_HIWORD_MASK), + DEF_MUX(".divselxspi1", CLK_DIVSELXSPI1_SCKCR, DIVSEL_XSPI1, + sel_clk_pll4d1_div3_div4, + ARRAY_SIZE(sel_clk_pll4d1_div3_div4), CLK_MUX_HIWORD_MASK), + /* Core output clk */ DEF_DIV("CA55C0", R9A09G077_CLK_CA55C0, CLK_SEL_CLK_PLL0, DIVCA55C0, dtable_1_2), @@ -178,9 +205,15 @@ static const struct cpg_core_clk r9a09g077_core_clks[]= __initconst =3D { DEF_FIXED("ETCLKC", R9A09G077_ETCLKC, CLK_SEL_CLK_PLL1, 10, 1), DEF_FIXED("ETCLKD", R9A09G077_ETCLKD, CLK_SEL_CLK_PLL1, 20, 1), DEF_FIXED("ETCLKE", R9A09G077_ETCLKE, CLK_SEL_CLK_PLL1, 40, 1), + DEF_DIV("XSPI_CLK0", R9A09G077_XSPI_CLK0, CLK_DIVSELXSPI0_SCKCR, + FSELXSPI0, dtable_6_8_16_32_64), + DEF_DIV("XSPI_CLK1", R9A09G077_XSPI_CLK1, CLK_DIVSELXSPI1_SCKCR, + FSELXSPI1, dtable_6_8_16_32_64), }; =20 static const struct mssr_mod_clk r9a09g077_mod_clks[] __initconst =3D { + DEF_MOD("xspi0", 4, R9A09G077_CLK_PCLKH), + DEF_MOD("xspi1", 5, R9A09G077_CLK_PCLKH), DEF_MOD("sci0fck", 8, CLK_SCI0ASYNC), DEF_MOD("sci1fck", 9, CLK_SCI1ASYNC), DEF_MOD("sci2fck", 10, CLK_SCI2ASYNC), --=20 2.43.0